SigmaGT MI 3310 / MI 3310A Instruction Manual Version: 2.2, HW 2, Code no.
Distributor: Manufacturer: Metrel d.d. Ljubljanska cesta 77 SI-1354 Horjul E-mail: metrel@metrel.si http://www.metrel.si © 2010 – 2013 Metrel Mark on your equipment certifies that this equipment meets the requirements of the EU (European Union) regulations concerning safety and electromagnetic compatibility No part of this publication may be reproduced or utilized in any form or by any means without permission in writing from METREL.
MI 3310 / MI 3310A SigmaGT 1 General description ............................................................................................ 7 1.1 1.2 1.3 1.4 1.5 2 Warnings ...........................................................................................................8 Warning markings on connector panel ..............................................................8 Standards applied .............................................................................................
MI 3310 / MI 3310A SigmaGT Table of contents 4.2.8.7 Reset instrument settings ................................................................................ 38 4.2.8.8 Communication settings .................................................................................. 39 4.2.8.9 Password ........................................................................................................ 41 4.2.8.10 Calibration unit – checkbox (optional) .........................................................
MI 3310 / MI 3310A SigmaGT Table of contents 6.4.2 Reading autotest code from barcode / QR code ......................................92 6.4.3 Reading barcode for working with results .................................................92 6.5 Performing autotest sequences – for appliances.............................................93 6.5.1 Visual inspection ......................................................................................93 6.5.2 Earth bond resistance measurement........................
MI 3310 / MI 3310A SigmaGT Table of contents C.1 List of country modifications ..............................................................................129 F.2 Modification issues - NL .....................................................................................129 F.2.1 Autotest organizer .......................................................................................129 F.2.2 Example of creating a test sequence with autotest organizer ................130 F.2.3 Autotest codes ........
MI 3310 / MI 3310A SigmaGT General description 1 General description The multifunctional portable test instrument SigmaGT is intended to perform all measurements for testing the electrical safety of portable electrical equipment.
MI 3310 / MI 3310A SigmaGT 1.
MI 3310 / MI 3310A SigmaGT General description Electromagnetic compatibility (EMC) EN 61326-1 Electrical equipment for measurement, control and laboratory use EMC requirements -- Part 1: General requirements Class B (Portable equipment used in controlled EM environments) Safety (LVD) EN 61010-1 Safety requirements for electrical equipment for measurement, control, and laboratory use – Part 1: General requirements EN 61010-2-030 Safety requirements for electrical equipment for measurement, control and l
MI 3310 / MI 3310A SigmaGT 1.4 General description Battery and charging The instrument uses six C size alkaline or rechargeable Ni-Cd or Ni-MH battery cells. Battery condition is always displayed in the lower right display part. In case the battery is too weak the instrument indicates this as shown in below. This indication appears for a few seconds and then the instrument turns itself off. Discharged battery indication The battery is charged whenever the instrument is connected to mains voltage.
MI 3310 / MI 3310A SigmaGT Repeat the charge / discharge cycle at least 2-4 times. General description Four cycles are recommended in order to restore the batteries to their normal capacity. Notes: The charger in the instrument is a pack cell charger. This means that the battery cells are connected in series during the charging. The battery cells have to be equivalent (same charge condition, same type and age).
MI 3310 / MI 3310A SigmaGT Instrument description 2 Instrument description 2.1 Front panel Front panel Legend: 1 2 3 4 5 6 7 8 9 10 11 240 128 dots graphic matrix display with backlight Function keys intended for displayed defined options. ESCAPE key HELP key ON / OFF key To switch off the instrument press and hold ON/OFF key for about 2 seconds.
MI 3310 / MI 3310A SigmaGT Instrument description Warning! These sockets are intended only for the connection to de-energized devices. 12 Test socket Warning! Dangerous voltage is present on the test socket during the measurement. Maximum output current is 16 A, test only devices with maximum rated supply current no higher than 16 A! Note: For devices incorporated high reactive loading, e.g. motor with rated power > 1.
MI 3310 / MI 3310A SigmaGT Instrument description Right side connector panel 18 Current clamp adapter input sockets Warnings! Do not connect any voltage source on this input. It is intended only for connection of current clamp with current output. Maximum input current is 30 mA! Green socket is connected to the functional earth of the system and is intended for connection with shield of current clamp only.
MI 3310 / MI 3310A SigmaGT Instrument description 2.4 Warnings, messages and symbols Warnings and messages Mains voltage is not correct or PE not connected. Check mains voltage and PE connection! Warning for improper supply voltage condition. Possible causes: - No earth connection or other wiring problem on supply socket. - Incorrect mains voltage. Determine and eliminate the problem before proceeding! Warning: - The instrument must be earthed properly! No mains voltage. Connect PAT to mains voltage.
MI 3310 / MI 3310A SigmaGT Leakage LN-PE high! Are you sure to proceed (Y/N)? Leakage LN-PE too high! Are you sure to proceed (Y/N)? Leakage LN-PE or EB/S too high! Are you sure to proceed (Y/N)? Instrument description Dangerous leakage current (higher than 3.5 mA) will flow if power would be connected to DUT. Select YES or NO with Y or N key. Proceed with testing only if all safety measures have been taken.
MI 3310 / MI 3310A SigmaGT Instrument description Warning! More than 80 % of memory is occupied. Stored data should be downloaded to PC. Instrument memory is almost full. Download stored results to PC. Warning! Calibration has been expired. Recalibration of the instrument is required. Contact your dealer. Measurement aborted, contact voltage too high (> 50V). A too high contact voltage was detected before an RCD test being carried out. Check PE connections! Hardware error.
MI 3310 / MI 3310A SigmaGT Instrument description Warning symbols Remove the EB/S connection, especially if it is connected to any part that will begin to rotate or move when power is applied. Connect the test lead to the EB/S test socket. Warning! A high voltage is / will be present on the instrument output! (Insulation test voltage, or mains voltage). The DUT should be switched on (to ensure that the complete circuit is tested). Connect the lead to be tested to the IEC test terminal.
MI 3310 / MI 3310A SigmaGT Instrument description Battery and mains supply indication Battery capacity indication. Low battery! Battery is too weak to guarantee correct result. Replace or recharge battery cells. Instrument connected to the mains supply voltage. When instrument is in idle mode recharging process is in progress. Recharging in progress (if instrument is connected to the mains supply voltage). Bluetooth indication (optional) Bluetooth communication is enabled.
MI 3310 / MI 3310A SigmaGT Technical specifications 3 Technical specifications 3.1 Earth bond resistance Test current set to 10 A (MI 3310A only) Range Resolution 0.00 1.99 0.01 2.00 19.99 0.01 Accuracy (5 % of reading + 3 digits) 10 % Test current set to 200 mA Range 0.00 1.99 2.00 9.99 10.0 19.9 Accuracy (5 % of reading + 3 digits) 10 % 10 % Resolution 0.01 0.01 0.1 Powered by:.....................
MI 3310 / MI 3310A SigmaGT Technical specifications Power by:.........................battery or mains Nominal voltages: ............250 V DC, 500 V DC (- 0 %, + 10 %) Measuring current: ...........min. 1 mA at 250 k (250 V), 500 k (500 V) Short circuit current:.........max. 2.0 mA Pass levels [M]: .............0.01, 0.10, 0.25, 0.30, 0.50, 1.00, 2.00, 4.0, 7.0, 10.0, none Test duration [s]: ..............2, 3, 5, 10, 30, 60, 120, 180 s, none Test terminals: .................
MI 3310 / MI 3310A SigmaGT Technical specifications Powered by:.....................mains Test duration [s]: ..............2 s, 3 s, 5 s, 10 s, 30 s, 60 s, 120 s, 180 s, none Test terminals: .................mains test socket 3.6 Touch leakage current Range 0.00 mA 3.99 mA Resolution 0.01 mA Accuracy (10 % of reading + 5 digits) Powered by:.....................mains Pass levels [mA]: .............0.25, 0.50, 0.75, 1.00, 1.50, 2.00, 3.50, none Test duration [s]: ..............
MI 3310 / MI 3310A SigmaGT Technical specifications Temperature coefficient outside reference temperature limits is 1 % of measured value per C. 3.9 3.9.1 PRCD and RCD testing Portable RCD trip-out time/current AC and A type PRCD trip-out time: Range 0 ms 300 ms(½IN) 0 ms 300 ms (IN) 0 ms 40 ms (5IN) Resolution 1 ms 1 ms 1 ms Accuracy 3 ms B type PRCD trip out-current (supported by hardware release 2.0 and up): Resolution Accuracy Range I 0.2IN 2.2IN (B type) 0.05IN 0.
MI 3310 / MI 3310A SigmaGT Technical specifications Powered by:..................... mains via tested RCD Test current type: .............AC (sine-wave), A (pulsed), B (smooth DC) Test current: ....................½IN, IN, 5IN Start angle: ......................0 (+), 180 (-), both (+,-) Test modes: .....................single, autotest Specified accuracy is valid for complete operating range. 3.
MI 3310 / MI 3310A SigmaGT Technical specifications Protection classification Power supply: ........................... Class I, mains supply Class II, only battery supply Pollution degree: ....................... 2 Degree of protection: ................ IP 30 (closed and locked cover) IP 20 main test socket Case: ........................................ shock proof plastic / portable Display: ..................................... 240*128 dots graphic matrix display with backlight Memory: ................
MI 3310 / MI 3310A SigmaGT Main menu and test modes 4 Main menu and test modes The SigmaGT instrument has a user-friendly manipulation. By pressing only a few keys most of the actions can be done. The menu tree of the instrument has been designed to be simple to understand and easy to operate. The instrument can test appliances in different modes: Single test mode, Several autotest modes. After the instrument is switched on, the last menu used will be displayed. Note: 4.
MI 3310 / MI 3310A SigmaGT 4.2 Main menu and test modes Instrument main menu From the Main menu all the instrument functions can be selected.
MI 3310 / MI 3310A SigmaGT Main menu and test modes Autotest organizer menu See chapter 6 Autotest sequences for detailed description of this test mode. 4.2.2 Autotest custom menu The menu contains a list of custom prepared autosequences. Two sets (one for portable appliances and one for welding machines) of preprogrammed often used autotest sequences are added to the list by default. Two sets of up to 50 custom autotest sequences can be pre-programmed in this autotest mode.
MI 3310 / MI 3310A SigmaGT 4.2.3 Main menu and test modes Project autotests menu The Project autotest is a tool that simplifies and speeds up periodic testing of DUTs. The main idea is to re-use known and stored data about the DUT. Project autotest starting menu example See chapter 6.3 Project autotests for detailed description about this autotest mode. 4.2.3 Barcode / TAG menu Barcode / TAG menu supports operation with barcodes, QR codes and RFID tags.
MI 3310 / MI 3310A SigmaGT Main menu and test modes See chapter 5 Single tests for detailed description about the single test mode. Note: 3-Phase adapter A1422 combined with the SigmaGT instrument should be used for welding machine tests. 4.2.5 Edit appliance data menu In this menu lists of user and appliance data default names can be edited. An alternative is to upload the lists from PC. Users / appliance data main menu Keys in user / device data menu: / ENTER ESC 4.2.5.
MI 3310 / MI 3310A SigmaGT Main menu and test modes 4.2.5.1.1 Item editing menu The menu is intended for editing new/existing fields. Item editing menu – example edit users Keys in item editing menu: Alphanumeric keys SAVE (F1) UNDO (F2) ESC 4.2.5.2 Entering item name. Confirms entry and returns back. Discards modifications and recover original entry. Discards modifications and returns back. Device submenu In this menu, default lists of device names (up to 100) can be edited.
MI 3310 / MI 3310A SigmaGT 4.2.5.3 Main menu and test modes Test sites submenu In this menu default lists of object names (up to 100) can be edited. The list can be also downloaded to/ uploaded from the PC SW PATlinkPRO. For more information refer to chapter 7.5 Data upload / download. Test sites submenu Keys in test sites menu: / Selects the test site. PgUp (F2) / PgDown (F3) Opens Edit test site menu for selected test site, see 4.2.5.1 Item editing EDIT (F1) menu.
MI 3310 / MI 3310A SigmaGT 4.2.6 Main menu and test modes Recall / delete / send memory menu Manipulation with stored data is allowed in this menu. Stored results can be recalled according to DUT name and date, deleted or send to PC or printers. Recall results menu See chapters 7.2 Recalling results, 7.3 Deleting results and 7.4 Downloading and printing results for more information. 4.2.
MI 3310 / MI 3310A SigmaGT Main menu and test modes Setup menu Keys in Setup menu: ENTER ESC Selects the setting to adjust or view: , day and time, see 4.2.8.1; , instrument language, see 4.2.8.2; , printed header options, see 4.2.8.3; , data related to the SigmaGT, see 4.2.8.4; , LCD contrast, see 4.2.8.5; , various instrument settings, see 4.2.8.6; , reset the instrument to factory settings, see 4.2.
MI 3310 / MI 3310A SigmaGT Main menu and test modes Notes: Date is attached to each PAT autotest measurement results! Date format is DD-MM-YYYY (day–month–year). Date entry is checked for regularity and is not accepted in case of irregular date! 4.2.8.2 Language selection Selecting this option will allow the user to select the language in the instrument. The following menu will be displayed: Language menu Keys in Language menu: / ENTER ESC 4.2.8.3 Selects the language.
MI 3310 / MI 3310A SigmaGT 4.2.8.4 Main menu and test modes Viewing of instrument data In this menu the following instrument data are shown: - Producer name, - Instrument name, - Calibration date, - Serial number, - Firmware version. Instrument data menu Keys in instrument data menu: MORE (F1) 3Ph>Dat (F2) ESC Switches between multiple screens. Receives instrument data from 3-Phase adapter. Returns to Setup menu. Note: Operator cannot change any instrument data! 4.2.8.
MI 3310 / MI 3310A SigmaGT 4.2.8.6 Main menu and test modes Instrument settings When an autotest is completed, different data about DUT and other associated data can be added to the autotest results before saving them. In the Instrument settings submenu, the various data and data types can be customized.
MI 3310 / MI 3310A SigmaGT Keys: / SAVE (F1) UNDO (F2) ESC Main menu and test modes Modifies highlighted parameter. Saves setting of selected item, Recovers currently modified setting. Returns to main settings menu. Notes: If blank is selected for a particular item, then the appropriate field will initially appear blank in the Save results menu.
MI 3310 / MI 3310A SigmaGT 4.2.8.8 Main menu and test modes Communication settings In this menu, the communication port (RS232, USB or Bluetooth) for communication with external devices (PC, scanner, printer, Android mobile device) can be set. Also baud rate for communication with PC can be set. Following menu will be displayed: Communication menu Keys in set communications menu: / ENTER ESC Selects option. Confirms selection and opens menu of selected option. Returns to Setup menu.
MI 3310 / MI 3310A SigmaGT / SAVE (F1) UNDO (F2) ESC Main menu and test modes Selects the proper device and communication type. Confirms selection and returns to Set communication type menu. Returns to Set communication type menu without changes. Initialization of Bluetooth dongle A1436 (MI 3310A only) If Zebra BT is selected as printer the Metrel Bluetooth dongle A 1436 has to be connected to the printer in order to communicate with the instrument via Bluetooth.
MI 3310 / MI 3310A SigmaGT SEARCH (F2) Main menu and test modes Searches for Bluetooth devices within the range. Once Bluetooth devices were found, instrument displays their names and Bluetooth addresses. Up to 6 Bluetooth devices can be displayed. List of detected Bluetooth devices SEARCH (F2) / SET AS (F3) SAVE (F1), ENTER ESC Set selected Bluetooth device as printer or scanner Searches again for Bluetooth devices within the range. Selects Bluetooth device to be paired with instrument.
MI 3310 / MI 3310A SigmaGT Main menu and test modes Keys in password menu: Alphanumeric keys ENTER ESC Entering password. Accepts the password* and returns to Setup menu. Discards modifications and returns to Setup menu. Please take a note of this password and keep it in a safe place. Notes: If there is no password protection, the instrument will request that you enter a new password twice, once to confirm.
MI 3310 / MI 3310A SigmaGT Main menu and test modes Checkbox starting screen Keys: START / ESC Starts instrument calibration procedure. Switches between Checkbox screens. Returns back to Setup menu without changes. Carrying out the instrument calibration The checkbox instrument calibration starting screen is displayed first. Before conducting calibration, connect accessories as displayed. Instrument calibration starting screen Keys: START ESC Starts instrument calibration procedure.
MI 3310 / MI 3310A SigmaGT Main menu and test modes Keys: START ESC Starts IEC test cord checking procedure. Skips IEC test cord check. After all steps were carried out the measured values together with an overall indication are displayed. Example of Checkbox result screen Meaning of indications: Accuracy of result is inside the given accuracy limits. Warning: The accuracy of the instrument lies out of specified limits! Keys: / START ESC Displays all calibration results.
Single tests MI 3310 / MI 3310A SigmaGT 5 Single tests In the single test mode two sets of individual tests can be performed: Single tests for appliances, Single tests for welding machines. This is especially helpful for troubleshooting. Notes: Single test results cannot be saved.
Measurements MI 3310 / MI 3310A SigmaGT 5.2 Measurements – Single tests for appliances 5.2.1 Earth bond resistance This test ensures that the connections between the protective conductor terminal in the mains plug of the DUT and earthed accessible conductive parts of the DUT (metal housing) are satisfactory and of sufficiently low resistance. This test has to be performed on Class 1 (earthed) DUT. The instrument measures the resistance between mains test socket‘s PE terminal and EB/S terminal.
Measurements MI 3310 / MI 3310A SigmaGT Examples of earth bond resistance measurement results Displayed results: Main result ............. earth bond resistance Note: Consider displayed warnings before starting measurement! 5.2.1.1 Compensation of test leads resistance (firmware release 1.24 and up) Test leads compensation is required to eliminate the influence of test leads resistance and instrument’s internal resistance. If a compensation value is stored this is indicated in the message C.
Measurements MI 3310 / MI 3310A SigmaGT Insulation menu Test parameters for insulation resistance measurement OUTPUT LIMIT TIME Test voltage [250 V, 500 V] Minimum resistance [0.01 M, 0.10 M, 0.25 M, 0.30 M, 0.50 M, 1.00 M, 2.00 M, 4.00 M, 7.00 M, 10.
Measurements MI 3310 / MI 3310A SigmaGT Test circuits for insulation resistance measurement Measurement of insulation resistance of Class I DUT Measurement of insulation resistance of fixed installed DUTs of Class I Insulation resistance measurement procedure Select the Insulation function. Set test parameters. Connect device under test to the instrument (see figures above).
Measurements MI 3310 / MI 3310A SigmaGT Notes: Leakage currents into the EB/S and PE test inputs will influence insulation resistance measurement. When EB/S or PE probes are connected during the test then the current through them is also considered.
Measurements MI 3310 / MI 3310A SigmaGT Test circuits for Insulation - S resistance measurement Measurement of insulation resistance of class II DUT Measurement of insulation resistance of accessible isolated conductive parts of fixed installed DUTs Insulation resistance – S probe measurement procedure Select the Insulation resistance-S probe function. Set test parameters. Connect device under test to the instrument (see figures above). Connect EB/S probe to accessible conductive parts of the DUT.
Measurements MI 3310 / MI 3310A SigmaGT Example of insulation-S probe resistance measurement results Displayed results: Main result ............. Insulation resistance (LN – S) Notes: If a Class I device is connected to the mains test socket the currents flowing through the PE terminal will not be considered.
Measurements MI 3310 / MI 3310A SigmaGT Measurement of substitute leakage current of class I DUT Measurement of substitute leakage current of fixed installed DUTs of class I Substitute leakage measurement procedure Select the Substitute leakage function. Set test parameters. Connect device under test to the instrument (see figures above).
Measurements MI 3310 / MI 3310A SigmaGT Notes: Consider any displayed warning before starting measurement! Leakage currents into the EB/S and PE test inputs will influence substitute leakage current measurement. When EB/S or PE probes are connected during the test then the current through them is also considered. Substitute leakage current may differ substantially from that of conventional leakage current test because of the way the test is performed.
Measurements MI 3310 / MI 3310A SigmaGT Test circuits for substitute leakage –S probe measurement Measurement of substitute leakage current of class II DUT Measurement of substitute leakage of accessible isolated conductive parts of fixed installed DUTs Substitute leakage – S probe measurement procedure Select the Substitute leakage-S probe function. Set test parameters. Connect device under test to the instrument (see figures above). Connect EB/S probe to accessible conductive parts of the DUT.
Measurements MI 3310 / MI 3310A SigmaGT Displayed results: Main result ............. substitute leakage current LN-S Notes: Consider any displayed warning before starting measurement! If a Class I device is connected to the mains test socket the currents flowing through the PE terminal will not be considered. 5.2.6 Differential leakage current The purpose of this test is to determine the sum of all leakages flowing from the live conductor to the earth.
Measurements MI 3310 / MI 3310A SigmaGT Examples of differential current measurement result Displayed results: Main result ............. differential leakage current Notes: During the test, a mains voltage is connected to the DUT.
Measurements MI 3310 / MI 3310A SigmaGT Test circuits for touch leakage current measurement Measurement of touch leakage current Measurement of touch leakage current on a fixed installed DUT Touch leakage current measurement procedure Select the Touch leakage function. Set test parameters. Connect EB/S probe to accessible conductive parts of the DUT (see figures above). For Portable appliance/device: Connect device under test to the instrument.
Measurements MI 3310 / MI 3310A SigmaGT Notes: During the test, a mains voltage is connected to the DUT. If DUT contains moving parts, make sure that it is safely mounted or protected to prevent possible danger to the operator or damage to the DUT or surrounding environment! Consider any displayed warning before starting measurement! The instrument automatically changes L and N polarity of connected DUT during the test. 5.2.
Measurements MI 3310 / MI 3310A SigmaGT Polarity - Standard test procedure Select the Polarity test function. Select the normal test subfunction. Connect tested IEC cord to the instrument (see figure above). Press the START key for measurement. Polarity - Active test procedure Select the Polarity test function. Select the active test subfunction. Connect tested IEC cord to the instrument (see figure above). Press the START key for measurement.
Measurements MI 3310 / MI 3310A SigmaGT Clamp current menu Test parameters for clamp current measurement LIMIT Maximum current [0.25 mA, 0.50 mA, 0.75 mA, 1.00 mA, 1.50 mA, 2.25 mA, 2.50 mA, 3.00 mA, 3.50 mA, 5.00 mA, 9.
Measurements MI 3310 / MI 3310A SigmaGT Test circuit for clamp current measurement Connecting current clamp to the instrument Clamp current measurement procedure Select the Clamp current function. Set test parameters. Connect the current clamp to the instrument (see figure above). Embrace wire(s) that has to be measured with current clamp. Press the START key for measurement. Examples of clamp current measurement result Displayed results: Main result .............
Measurements MI 3310 / MI 3310A SigmaGT 5.2.10 RCD/PRCD test The purpose of this test is to ensure the proper operation of the following residual current devices: - Installed in electrical installation and - Portable residual current devices (PRCD). Trip-out measurements verify the sensitivity of a RCD at selected residual currents.
Measurements MI 3310 / MI 3310A SigmaGT Circuits for testing RCD Testing of standard RCD Testing of portable RCD (PRCD) 5.2.10.1 RCD single test Trip-out time/current measurement procedure Select the RCD test function. Select Single test mode. Set test parameters. PRCD: Connect tested PRCD between test socket on the SigmaGT and IEC appliance connector (see figure above). Depending on the type of PRCD, it may be necessary to manually switch it on.
Measurements MI 3310 / MI 3310A SigmaGT RCD autotest procedure RCD Autotest steps Select the RCD test function. Set Auto test mode. Select test parameters. PRCD: Connect tested PRCD between test socket on the SigmaGT and IEC appliance connector (see figure above). Depending on the type of PRCD, it may be necessary to manually switch it on. RCD: Connect the SigmaGT main entry to socket protected by tested RCD (see figure above). Press the START key. Test with IN, 0 (step 1).
Measurements MI 3310 / MI 3310A SigmaGT Step 5 and Step 6 Individual steps in RCD autotest The test passes if tested RCD: - Does not trip out at ½IN tests, and - Trips inside predefined time limits at IN, and 5IN tests. Displayed results: Main result ............. last measured results Sub-results ............ all results are displayed as sub-results Ul-pe ......................
Measurements MI 3310 / MI 3310A SigmaGT Test parameters for the Functional test OUTPUT TIME System voltage [230 V] Measuring time [2 s, 3 s, 5 s, 10 s, 30 s, 60 s, 120 s, 180 s, none] Circuit for the functional test Functional test Functional test procedure Select the Functional test function. Set measuring time. Connect tested DUT to the instrument (see figure above). Press the START key for measurement. Example of apparent power measurement result Displayed result: Main result .............
Measurements MI 3310 / MI 3310A SigmaGT 5.3 Measurements – Single tests for welding machines Note: For testing welding machines the 3-phase operation mode must be enabled and the SigmaGT must be connected to a METREL 3-Phase adapter (A1322 or A1422). Refer to 3-phase AktivGT/Machine adapter (A1322/A1422) user manual for detailed information. 5.3.
Measurements MI 3310 / MI 3310A SigmaGT Result screens: Examples of continuity measurement results Displayed results: Main result ............. resistance Note: Consider displayed warnings before starting measurement! For compensation of test leads Description in Chapter 5.2.1.1 Compensation of test leads resistance can be used as reference. 5.3.
Measurements MI 3310 / MI 3310A SigmaGT For more information refer to chapter Measurements according to IEC/ EN 60974-4, paragraph Insulation resistance (supply circuit to protective circuit) in 3-phase adapter user manual. Result screens: Examples of Insulation LN-PE measurement results Displayed results: Main result ............. Insulation resistance LN-PE Note: Consider displayed warnings before starting measurement! 5.3.
Measurements MI 3310 / MI 3310A SigmaGT For more information refer to chapter Measurements according to IEC/ EN 60974-4, paragraph Insulation resistance (welding circuit to protective circuit) in 3-phase adapter user manual. Result screens: Examples of Insulation W-PE measurement results Displayed results: Main result ............. Insulation resistance W-PE Note: Consider displayed warnings before starting measurement! 5.3.
Measurements MI 3310 / MI 3310A SigmaGT For more information refer to chapter Measurements according to IEC/ EN 60974-4, paragraph Insulation resistance (supply circuit to welding circuit) in 3-phase adapter user manual. Result screens: Examples of Insulation LN-W measurement results Displayed results: Main result ............. Insulation resistance LN-W Note: Consider displayed warnings before starting measurement! 5.3.
Measurements MI 3310 / MI 3310A SigmaGT For more information refer to chapter Measurements according to IEC/ EN 60974-4, paragraph Insulation resistance (supply circuit of class II to accessible surfaces) in 3-phase adapter user manual. Result screens: Examples of Insulation LN-P measurement results Displayed results: Main result ............. Insulation resistance LN-P Note: Consider displayed warnings before starting measurement! 5.3.
Measurements MI 3310 / MI 3310A SigmaGT For more information refer to chapter Measurements according to IEC/ EN 60974-4, paragraph Welding circuit leakage current in 3-phase adapter user manual. Examples of welding circuit leakage current measurement results Displayed results: Main result ............. welding circuit leakage current Notes: During the test, a mains voltage is connected to the welding machine. Consider safety precautions.
Measurements MI 3310 / MI 3310A SigmaGT For more information refer to chapter Measurements according to IEC/ EN 60974-4, paragraph Primary leakage current in 3-phase adapter user manual. Examples of primary leakage current measurement results Displayed results: Main result ............. primary leakage current Notes: During the test, a mains voltage is connected to the welding machine. Consider safety precautions. Consider any displayed warning before starting measurement! 5.3.
Measurements MI 3310 / MI 3310A SigmaGT Test circuit and measurement procedure for U no load measurement For more information refer to chapter Measurements according to IEC/ EN 60974-4, paragraph No load voltage in 3-phase adapter user manual. Examples of No load voltage measurement results Displayed results: Main result ............. no load a.c. or d.c. peak voltage Sub-result………….no load r.m.s. voltage Notes: During the test, a mains voltage is connected to the welding machine.
MI 3310 / MI 3310A SigmaGT Autotest sequences 6 Autotest sequences Autotest is the fastest and easiest way to test DUTs. During the autotest preprogrammed measurements runs automatically in a sequential way. The complete autotest results can be stored together with their associated DUT name and all related information. 6.
MI 3310 / MI 3310A SigmaGT Autotest sequences ACP: accessible conductive part, not earthed With the autotest organizer any test sequence compatible with applied standard can be created. The sequences cover virtually any maintenance or periodic test, regardless of DUT type, safety class, supply cord length, fuse type, etc. All limits and tests comply with the currently valid standards and regulations. In case of any changes, a firmware upgrade will be available.
MI 3310 / MI 3310A SigmaGT 6.1.1 Autotest sequences Autotest organizer operation Select Autotest Organizer in main menu. Examples of Autotest organizer screen Keys: / / ESC VIEW (F1) START Select organizer item. Set parameter in selected (highlighted) item. Returns to previous menu. Enters View (test sequence) menu. Starts automatic sequence as currently set in autotest organizer. Refer to chapter 6.5 Performing autotest sequences for more information.
MI 3310 / MI 3310A SigmaGT 6.1.2 Autotest sequences Example of creating a test sequence with autotest organizer A periodic test of an iron will be performed. Type: flatiron ABC Un: 230V, 50Hz, 1000 VA The iron can be classified as followed: - For a periodic testing, e.g. the VDE0701-0702 test is relevant. - The iron can be classified as a Class I DUT with isolated metal part and short supply cord.
MI 3310 / MI 3310A SigmaGT Autotest sequences The following parameters can be viewed in general for all measurements / tests: 6.2 Measurement mode, Output test voltage or current (except in visual test and TRMS current measurement), Pass level (except in visual test), Measurement duration (except in visual test). Custom autotests In autotest custom menu setting and editing user-defined autotest procedures is allowed.
MI 3310 / MI 3310A SigmaGT Autotest sequences When active polarity test is enabled in autotest sequence then mains supply voltage is applied on test socket during earth bond test (if selected in autotest sequence). 6.2.1 Viewing, modifying and saving an custom autotest An existing custom autotest sequence can be viewed, modified and saved. These functionalities are available in the Custom autotest view menu.
MI 3310 / MI 3310A SigmaGT Autotest sequences during the autosequence. Continuous Up to 10 repetitive measurements can be performed. Test can be performed. Enable Only visual test and polarity test Modification parameters of selected test function Keys: / / CONFIRM (F1) ESC 6.2.1.2 Select the parameter. Change the value of selected parameter (highlighted). Accepts modified function and returns to the view of selected test sequence. Returns to the view of selected test sequence without changes.
MI 3310 / MI 3310A SigmaGT SAVE (F1) UNDO (F2) ESC 6.2.2 Autotest sequences Confirms saving custom autotest sequence under entered name. Discards modifications and recover original entry. Returns back to custom autotest menu. Deleting an existing custom test sequence Delete selected custom autotest sequence Keys: Y/ N Any other key Confirms or rejects deleting of selected custom autotest sequence. Return back to custom autotest menu without changes.
MI 3310 / MI 3310A SigmaGT - 6.3.1 Autotest sequences Old test results are not occupying the instrument’s memory and can be temporarily uploaded only for the purpose of re-testing, Test results and DUT data can be moved / shared among different test instruments, DUT data can be pre-entered on the computer and then sent to the instrument. Selecting a project autotest The first step when performing project autotests is to recall the appropriate stored DUT data from the instruments memory.
MI 3310 / MI 3310A SigmaGT Autotest sequences this parameter and go on to find all the DUTs that conform to data placed in the other filter fields. To find all stored results, enter »*« in the all fields (excluding DATE where the correct from and to dates must be entered). If the search filters are set up correctly and the DUTs exist in the units memory, the Project autotests result menu will be displayed.
MI 3310 / MI 3310A SigmaGT Autotest sequences View results menu examples Keys: / PgUp (F1) PgDown (F2) ESC 6.3.2 Scroll over stored results of particular functions for selected custom autotest sequence. Returns to Main menu. Starting a project autotest Starting the project autotest will apply the sequence as is defined for selected device. Each test function that is not disabled is executed in prescribed order, see 6.5 Performing autotest sequences – appliances or 6.
MI 3310 / MI 3310A SigmaGT 6.3.3 Autotest sequences Comparison of results (evaluation of result trends) Viewing results of retested DUT offers not only to check results as they are but also an additional option TREND is offered. Trend enables evaluation of critical safety parameters of the DUT. View Project autotest results menu Keys: / PgUp (F1) PgDown (F2) TREND (F4) ESC Scroll over test results of particular functions. Trend comparison of current results with stored.
MI 3310 / MI 3310A SigmaGT Autotest sequences New earth bond result is higher than old one. Keys: / PgUp (F1) PgDown (F2) ESC Scroll over comparison results of particular functions. Returns to Project autotest menu. Note: Trend operates only before saving the new results of autotest procedure and with existing old results of the same autotest procedure in the instrument memory. 6.
MI 3310 / MI 3310A SigmaGT Autotest sequences Connecting the RFID tag reader/writer to the SigmaGT instrument After entering the BARCODE / TAG menu the following menu appears: Barcode / RFID tag autotest menu Barcode menu – welding machines Keys: / APPL. / WELDING (F4) ENTER ESC 6.4.1 Select the reader device. Switches between operating mode for appliances and welding machines. Opens menu for selected device. Returns to Main menu.
MI 3310 / MI 3310A SigmaGT Autotest sequences Key: ESC Returns to Barcode/tag menu. Once the data from RFID tag have been successfully received, the following menu is displayed: RFID tag menu Keys: / ENTER ESC Select the option. Opens menu for selected option. Returns to Barcode/tag menu. If no test results were stored in RFID tag, the View results option won’t be displayed.
MI 3310 / MI 3310A SigmaGT Autotest sequences select TAG reader/writer option first and press ENTER key to confirm. Selected data from the instrument are loaded to the RFID tag using RFID reader/writer. See RFID reader/writer user manual for more information. Note: Because of limited memory space of RFID tags, the following data are not stored in RFID tags: - DUT name, - Repairing code, - Comments. 6.4.
MI 3310 / MI 3310A SigmaGT 6.5 Autotest sequences Performing autotest sequences – for appliances An autotest can be started from any of the Autotest menus by following simple procedures: - In Autotest shortcut menu, select the test sequence to be executed by code (see 6.1.1 Selecting the autotest shortcut sequence). - In Autotest custom menu, select the test sequence to be executed (see 6.2 Autotest custom). - In Project autotest menu, select the test sequence to be executed by device number (see 6.3.
MI 3310 / MI 3310A SigmaGT 6.5.2 Autotest sequences Earth bond resistance measurement Measurement is described in chapter 5.2.1 Earth bond resistance. If the earth bond test fails or was skipped other tests will not be carried out because of safety. Earth bond menu Keys START ENTER REPEAT (F3) SKIP (F4) Starts the earth bond resistance measurement. Proceeds with the next earth bond resistance measurement (in continuous mode).
MI 3310 / MI 3310A SigmaGT Keys START Starts the insulation resistance measurement. ENTER REPEAT (F3) SKIP (F4) 6.5.4 Autotest sequences Proceeds with the next insulation resistance measurement (in continuous mode). Proceeds to the next autotest sequence measurement (in single measurement mode only). Proceeds to the next autotest sequence measurement (in continuous measurement mode only). Repeats the insulation resistance measurement. Skips insulation resistance measurement.
MI 3310 / MI 3310A SigmaGT Autotest sequences Substitute leakage test menu Keys: Starts the substitute leakage current measurement. START ENTER REPEAT (F3) SKIP (F4) 6.5.6 Proceeds with the next substitute leakage current measurement (in continuous measurement mode only). Proceeds to the next autotest sequence measurement (in single measurement mode only). Proceeds to the next autotest sequence measurement (in continuous measurement mode only). Repeats the substitute leakage current measurement.
MI 3310 / MI 3310A SigmaGT 6.5.7 Autotest sequences Differential leakage current Measurement is described in chapter 5.2.6 Differential leakage current. If the differential leakage test fails or was skipped other tests will not be carried out because of safety. Leakage current test menu Keys: START Starts the leakage current measurement. ENTER REPEAT (F3) SKIP (F4) 6.5.8 Proceeds with the next leakage current measurement (in continuous measurement mode only).
MI 3310 / MI 3310A SigmaGT ENTER REPEAT (F3) SKIP (F4) 6.5.9 Autotest sequences measurement mode only). Proceeds to the next autotest sequence measurement (in continuous measurement mode only). Repeats the touch leakage current measurement. Skips touch leakage current measurement. Polarity test Measurement is described in chapter 5.2.8 Polarity test. If the polarity test fails or was skipped other tests will not be carried out because of safety.
MI 3310 / MI 3310A SigmaGT ENTER REPEAT (F3) SKIP (F4) Autotest sequences Proceeds to the next autotest sequence measurement (in continuous measurement mode only). Repeats the TRMS current measurement. Skips TRMS current measurement. 6.5.11 RCD/PRCD test Measurement is described in chapter 5.2.10 RCD/PRCD test. If the RCD test fails or was skipped other tests will not be carried out because of safety. RCD test menu Keys: START REPEAT (F3) Starts the RCD test.
MI 3310 / MI 3310A SigmaGT Autotest sequences Keys: PASS (F1) Starts the POWER test (optional). Proceeds to the next autotest sequence measurement. Commits a manual ticker and ends autotest. FAIL (F2) Commits a manual ticker and ends the autotest sequence. REPEAT (F3) Repeats the Functional test. SKIP(F4) Skips the Functional test.
MI 3310 / MI 3310A SigmaGT Autotest sequences 6.6 Performing autotest sequences – for welding machines 6.6.1 Visual inspection A thorough visual check must be carried out before each electrical safety test. Following items should be checked: - Inspection of DUT for sign of damage. - Inspection of flexible supply cable for damage. - Any signs of pollution, moisture, dirt that can jeopardize safety.
MI 3310 / MI 3310A SigmaGT Autotest sequences Continuity autotest menu Keys: START Starts the continuity measurement. ENTER REPEAT (F3) SKIP (F4) HELP ESC Proceeds with the next continuity measurement (in continuous mode). Proceeds to the next autotest sequence measurement (in single measurement mode only). Proceeds to the next autotest sequence measurement (in continuous measurement mode only). Repeats the continuity measurement. Skips the continuity measurement. Displays the continuity help screen.
MI 3310 / MI 3310A SigmaGT ENTER REPEAT (F3) SKIP (F4) HELP ESC 6.6.4 Autotest sequences measurement mode only). Proceeds to the next autotest sequence measurement (in continuous measurement mode only). Repeats the insuation resistance measurement. Skips insulation resistance measurement. Displays the insulation resistance test help screen. Ends the autotest sequence. Insulation resistance (welding circuit to protective circuit) Measurement is described in chapter 5.3.
MI 3310 / MI 3310A SigmaGT Autotest sequences Insulation LN - W autotest menu Keys: START ENTER REPEAT (F3) SKIP (F4) HELP ESC Starts the insulation resistance measurement. Proceeds with the next insulation resistance measurement (in continuous mode). Proceeds to the next autotest sequence measurement (in single measurement mode only). Proceeds to the next autotest sequence measurement (in continuous measurement mode only). Repeats the insulation resistance measurement.
MI 3310 / MI 3310A SigmaGT REPEAT (F3) SKIP (F4) HELP ESC 6.6.7 Autotest sequences Repeats the insuation resistance measurement. Skips the insulation resistance measurement. Displays the insulation resistance test help screens. Ends the autotest sequence. Welding circuit leakage current Measurement is described in chapter 5.3.6 Welding circuit leakage current. If this leakage test fails or was skipped other tests will not be carried out because of safety.
MI 3310 / MI 3310A SigmaGT Autotest sequences Primary leakage current autotest menu Keys: START ENTER CHG ON (F2) CHG OFF (F2) REPEAT (F3) SKIP (F4) HELP ESC 6.6.9 Starts the leakage current measurement. Proceeds with the next leakage current measurement (in continuous mode). Proceeds to the next autotest sequence measurement (in single measurement mode only). Proceeds to the next autotest sequence measurement (in continuous measurement mode only).
MI 3310 / MI 3310A SigmaGT CHG ON (F2) CHG OFF (F2) ENTER REPEAT (F3) SKIP (F4) HELP ESC 6.6.10 Autotest sequences Proceeds to the next autotest sequence measurement (in single measurement mode only). The instrument automatically changes L and N polarity of connected welding equipment during the test (suitable for 1-phase equipment with schuko plug). Higher measured current will be considered. Disables the automatic change of polarity function.
MI 3310 / MI 3310A SigmaGT Working with results 7 Working with autotest results After the autotest sequence is completed, measurement results can be: - Saved to the flash memory of the instrument. Before that they can be viewed and edited. Refer to chapter 7.1 Saving autotest results for more information. - Send to PC or a test report can be printed out to serial printer. Refer to chapter 7.4 Downloading and printing results for more information. - DUT label can be printed out. Refer to chapter 7.
MI 3310 / MI 3310A SigmaGT DEVICE NAME Retest period Repairing code Comments Working with results 15ASN Name of tested device. Can also be selected from the list of 100 predefined names, see 4.2.5.2 Devices submenu. 2N Period to retest in months 20ASN 25ASN * Length is defined as: N ASN numerals (numeric characters), alpha-numeric or special characters. All parameters added to the autotest results have, in general, a possibility to be replicated or default set to blank when saving new autotest results.
MI 3310 / MI 3310A SigmaGT Keys: / / , Alphanumeric FIND (F1) UNDO (F2) TYPE (F3) ESC Working with results Selects parameter line. Edits parameter line. Starts search after filters are set correctly. Undo latest change. Selects parameter line type. Returns to Main menu. Notes: To change the selected parameter line type, press the F3 function key and the »parameter type« will become highlighted (e.g. DEVICE).
MI 3310 / MI 3310A SigmaGT Working with results View results menu Use the ESC key to return to Recall memory or Search memory menus. From the Recall memory menu stored data can be downloaded to a PC, printed out to a serial printer or deleted from the memory. Refer to chapters 7.4 Downloading and printing results and 7.3 Deleting results, respectively. 7.3 Deleting results Stored autotest results can also be deleted from the memory. Enter Recall/delete/send memory menu.
MI 3310 / MI 3310A SigmaGT 7.4 Working with results Downloading and printing results The selected results can be sent to following external devices - Serial printer, - Label printer, - RFID tag The information about selected external device is shown in the lower part of display. Refer to chapter 4.2.8.8 Set Communication for more information how to select external devices.
MI 3310 / MI 3310A SigmaGT 7.4.1 Working with results Send to serial printer .............................. METREL Testing laboratory Horjul, Slovenia .............................. DEVICE 11072010 TEST SITE METREL LOCATION OFFICE 1 TIME/DATE 09:31 11-JUL-2008 USER TOMAZ RESULT: PASS ---------------------------------------VISUAL PASS EARTH BOND It: 10A~ Rlim: 0.10 Ohm 1. R = 0.03 Ohm PASS INSULATION Ut: 500V Rlim: 1.00 MOhm 1. R = 178.9 MOhm PASS LEAKAGE Ut: 230V~ Ilim: 0.75 mA 1. I = 0.
MI 3310 / MI 3310A SigmaGT Working with results 1 tag, barcode system: 2 tags, barcode system: 2 tags, barcode system: single (top label) double single 1 tag, barcode system: double (bottom label) QR code label Examples of DUT labels 114
MI 3310 / MI 3310A SigmaGT 7.5 Working with results Data upload / download Autotests and results from PC software can be uploaded to the instrument from the Upload data / edit lists / check log menu. Also the following items can be downloaded and edited or created with PC software and then uploaded onto the instrument: - Users, DUTs, Test sites, Locations. Downloading / uploading test data menu During the data transfer from the PC to the instrument, the transfer status will be displayed.
MI 3310 / MI 3310A SigmaGT Maintenance 8 Maintenance 8.1 Periodic calibration It is essential that all measuring instruments are regularly calibrated in order for the technical specification listed in this manual to be guaranteed. We recommend an annual calibration. The calibration should be done by an authorized technical person only. 8.2 Fuses There are two fuses available from left side connector panel: F1 = F2 = T 16 A / H 250 V (32 6.3 mm): intended for instrument protection.
MI 3310 / MI 3310A SigmaGT Instrument set and accessories 9 Instrument set and accessories Standard set of the instrument MI 3310 SigmaGT Instrument MI 3310 SigmaGT Small soft carrying bag Mains cable 16 A Test lead (black) Test tip (black) Alligator clip (black) IEC test cable, 2 m PC software PATLink PRO with RS232 and USB cables Instruction manual Short instruction manual Declaration of conformity Production verification data 6 Ni-MH rechargeable accus, size C Standard set o
MI 3310 / MI 3310A SigmaGT Appendix A – Preprogrammed autotests Appendix A – Preprogrammed autotests Pre-programmed autotest sequences No. Name 1 Cl_1_Iso 2 Cl1_Iso_BLT 3 Cl_1_Ia 4 Cl_1_Ia_BLT 5 Cl_2_Iso 6 Cl_2_Ibs 7 Cl_1_IsoIa 8 Cl1_IsoIaBLT 9 Cl_2_IsoIbs 10 Cl_2 11 Cl_3_Iso 12 Cl_3 Description Testing according to VDE 0701-0702. Class I device. Insulation resistance and substitute leakage current measurements are selected. Testing according to VDE 0701-0702.
MI 3310 / MI 3310A SigmaGT Appendix A – Preprogrammed autotests Pre-programmed autotest sequences table Autotest shortcut code Visual test Output Limit Time Output Limit Insulation Time Output Insulation Limit (probe) Time Output Sub leakage Limit Time Output Sub leakage Limit (probe) Time Output Differential Limit leakage Time Output Touch Limit leakage Time Output Limit Power Time Output TRMS clamp Limit current Time Polarity test Earth bond 01 02 03 04 Cl_1_Iso Cl1_Iso_BLT Cl_1_Ia Cl_1_Ia_BLT
MI 3310 / MI 3310A SigmaGT Appendix A – Preprogrammed autotests Pre-programmed autotest sequences table (cont’d) Autotest shortcut code Visual test Output Earth bond Limit Time Output Insulation Limit Time Output Insulation Limit (probe) Time Output Sub leakage Limit Time Output Sub leakage Limit (probe) Time Output Differential Limit leakage Time Output Touch Limit leakage Time Output Limit Power Time Output TRMS Limit clamp current Time Polarity test 05 06 07 Cl_2_Iso Cl_2_Ibs Cl_1_IsoIa Cl1_Iso
MI 3310 / MI 3310A SigmaGT Appendix A – Preprogrammed autotests Pre-programmed autotest sequences table (cont’d) Autotest shortcut code Visual test Output Limit Time Output Limit Insulation Time Output Insulation Limit (probe) Time Output Limit Sub leakage Time Output Sub leakage Limit (probe) Time Output Differential Limit leakage Time Output Touch leakage Limit Time Output Limit Power Time Output TRMS clamp Limit current Time Polarity test Earth bond 09 Cl_2_IsoIbs 500 V 2.
MI 3310 / MI 3310A SigmaGT Appendix A – Preprogrammed autotests METREL GmbH VDE tester test type card Code Autotest sequence name and descriptions 01 Kl_1_Iso 02 Kl1_Iso_BLT 03 Kl_1_Ia 04 Kl_1_Ia_BLT 05 Kl_2_Iso 06 Kl_2_Ibs Testing according to VDE. Class 1 device. Earth bond: 0.30 Insulation resistance and substitute Insulation: 1.00 M leakage current measurements are Sub leakage: 3.50mA applicable. Testing according to VDE. Class 1 device with isolated accessible inductive parts.
MI 3310 / MI 3310A SigmaGT Appendix A – Preprogrammed autotests METREL GmbH VDE tester test type card (cont'd) 10 Kl_2 11 Kl_3_Iso 12 Kl_3 Testing according to VDE. Class 2 device without any isolated accessible conductive parts. Testing according to VDE. Insulation - S: 0.25 M Class 3 device with isolated accessible conductive parts. Testing according to VDE. Class 3 device without any isolated accessible conductive parts.
MI 3310 / MI 3310A SigmaGT Appendix A – Preprogrammed autotests Pre-programmed autotest sequences table – welding machines Autotest shortcut code - Welding machines 50 51 52 Kl1_Iso_RisUmg Kl1_ Iso_NorUmg Kl1_Iso_Schutz Output 200 mA Limit 0.30 Rpe Time 5 s Output 500 V Insulation Limit 2.50 M LN - PE Time 5 s Output 500 V Insulation Limit 2.50 M W - PE Time 5 s Output 500 V Insulation Limit 5.
MI 3310 / MI 3310A SigmaGT Appendix A – Preprogrammed autotests Pre-programmed autotest sequences table – welding machines (cont’d) Autotest shortcut code Welding machines 55 56 Kl1_≤32A_Schutz Kl1_>32A_Risiko Output 200 mA Limit 0.30 Rpe Time 5 s Output Insulation Limit LN - PE Time Output Insulation Limit W - PE Time Output Insulation Limit LN - W Time Output Insulation Limit LN - probe Time Output 230 V Welding Limit 10.
MI 3310 / MI 3310A SigmaGT Appendix A – Preprogrammed autotests Welding machines – Test type card Code Autotest sequence name and descriptions Limits Barcode 50 Kl1_Iso_RisUmg Rpe: 0.30 Ins LN-PE: 2.5 M Class 1 device. Insulation resistance test is applicable. Ins W-PE: 2.5 M Environment with increased risk of Ins LN-W: 5.0 M electric shock. U0: d.c. 113 Vp / a.c. 68 Vp and 48 Vrms 51 Kl1_ Iso_NorUmg Rpe: 0.30 Ins LN-PE: 2.5 M Class 1 device. Insulation resistance test is applicable.
MI 3310 / MI 3310A SigmaGT Appendix B – Barcode and QR code formats Appendix B – Barcode and QR code formats The instrument SigmaGT supports two barcode formats when printing device labels. Autotest shortcut code and DUT number Autotest shortcut codes are represented as a two digit code. These autotest codes can also be represented by the barcode. Using the barcode reader, the instruments can accept autotest shortcut code from barcode label.
Appendix B – Barcode and QR code formats MI 3310 / MI 3310A SigmaGT 01 $ 4455821981 Autotest shortcut code Separator DUT number Refer to chapter 4.2.8.6 Instrument settings for barcode system selection. Notes: Special character »$« between autotest shortcut code and DUT name (ID number) is used to distinguish shortcut code from DUT name. nd Only DUT ID is printed out on the 2 DUT label (power supply cord label). QR code formats The instrument also supports QR code format.
MI 3310 / MI 3310A SigmaGT Appendix C – Country notes Appendix C – Country notes This appendix C contains collection of minor modifications related to particular country version. Some of the modifications mean modified characteristics of listed function related to main chapters and others are additional functions. Some minor modifications are also related to different requirements of the same market that are covered by various suppliers. C.
MI 3310 / MI 3310A SigmaGT Appendix C – Country notes Autotest organizer view menu F.2.2 Example of creating a test sequence with autotest organizer A periodic test of an iron will be performed. Type: flatiron ABC Un: 230V, 50Hz, 1000 VA The iron can be classified as followed: - For a periodic testing, e.g. the NEN 3140 test is relevant. - The iron can be classified as a Class I DUT with isolated metal part and short supply cord.
MI 3310 / MI 3310A SigmaGT Appendix C – Country notes Heating elements L: >0.5 MΩ - Classify the iron as a standard DUT. Information that insulation resistance Insulation test measurement of Class 2 parts will be included in the (NEN / Class I / with isolated Accessible cond. Parts L: >2.0 M accessible conductive parts) test procedure. Leakage test method: Selection of leakage current test method: Leakage - Select substitute leakage measurement.
MI 3310 / MI 3310A SigmaGT Appendix C – Country notes F.2.
MI 3310 / MI 3310A SigmaGT Appendix C – Country notes Pre-programmed autotest sequences table (cont’d) Autotest shortcut code Description Visual test Output Limit Earth bond Time Output Limit Insulation Time Output Insulation Limit (probe) Time Output Sub leakage Limit Time Output Sub leakage Limit (probe) Time Output Differential Limit leakage Time Output Touch Limit leakage Time Output Limit Power Time Output TRMS clamp Limit current Time Polarity test RCD test Mode Type Id RCD Multi Fase Test 06 KL1
MI 3310 / MI 3310A SigmaGT Appendix C – Country notes Pre-programmed autotest sequences table (cont’d) Autotest shortcut code KL1 PRCD Description Insulation Insulation (probe) Sub leakage Sub leakage (probe) Differential leakage Touch leakage Power TRMS clamp current 200 mA 0.30 5s 500 V 1.
