ZM4 Instruction Manual 9R87-B June 2012 M4 Series Handheld Pressure and Loop Calibrator
ZM4 Instruction Manual 9R87-B June 2012 Table of Contents Certification and Safety .............................................................. 4 Product Overview........................................................................ 6 Keys and Functions .................................................................... 7 Measure Mode ............................................................................. 9 Main Unit Setup .......................................................................
ZM4 Instruction Manual 9R87-B June 2012 Figures Figure 1: Inputs and Outputs Figure 2: Keypad Functions Figure 3: Keypad Functions Figure 4: Measure Mode Display Figure 5: Main Unit Setup Display Figure 6: Power Management Setup Display Figure 7: Data Logging Setup Display Figure 8: Data Logging Status Display Figure 9: Date & Time Setup Display Figure 10: Security Setup Display Figure 11: Password Change Display Figure 12: Pressure Sensor Setup Display Figure 13: Damping Setup Display Figure 14: Pressur
ZM4 Instruction Manual 9R87-B June 2012 Certification/Safety/Warnings Fire/Explosion Hazard. This instrument is not intrinsically safe. DO NOT use in areas that may contain flammable gas or vapors, combustible dusts or ignitable fibers where an unintended spark can cause a fire/explosion. Do not exceed the Pressure Limits listed in the Specifications section of this manual.
ZM4 Instruction Manual 9R87-B June 2012 Safety Warnings The table below defines the safety symbols, signal words and corresponding safety messages used in the manual to identify potential hazards and are intended to warn persons about hazards that could result in personal injury or equipment damage. This is the Safety Alert symbol. This symbol indicates a WARNING. Warnings alert you to actions that can cause personal injury or pose a physical threat. Please read these carefully.
ZM4 Instruction Manual 9R87-B June 2012 Product Overview 1 2 4 3 Figure 1: M4 Inputs and Outputs Number 1 Name Pressure Manifold Connection Description Connects the calibrator to a pressure source via 1/8” NPT Female. M400 = One Pressure Sensor M402 = Two Pressure Sensors USB Connection Connects the calibrator to a computer using a USB Mini Type B to USB Standard Type A cable. Terminals for measuring or sourcing both Volts and mA DC. 50VDC and 100mA max. 4x1.
ZM4 Instruction Manual 9R87-B June 2012 Keys and Functions 2 1 3 4 Figure 2: Keypad Functions Number 1 2 3 4 Key Description Turns the power On and Off. Turns green backlight On and Off. Function Keys F1 – F4 Change depending on Operation Mode Adaptive interface wheel scrolls up and down through menu options or increments or decrements a value.
ZM4 Instruction Manual 9R87-B June 2012 Keys and Functions 6 5 7 8 9 Figure 3: Keypad Functions Number 5 6 7 8 9 8 Key Description Left Arrow – Navigates back out of menu or moves cursor Right Arrow – Navigates further into menu structure, moves cursor, or selects value Sensor – Highlights sensor of interest for configuring or viewing settings Units – Changes engineering units of a pressure sensor that is highlighted.
ZM4 Instruction Manual 9R87-B June 2012 Measure Mode Figure 4: Measure Mode Display with All Indicators Shown Icon or Reference HOLD REC USB 100% 10:35 AM P1: Type XXX P2: Type XXX VI: Mode ▲▼ T 50.0% / RANGE Hold Mn/Mx Function Values are held on display for reference. Data logging function is ON and calibrator is recording information. USB cable is connected to the calibrator. Battery life as a percentage value. Current time display.
ZM4 Instruction Manual 9R87-B June 2012 Main Unit Setup Figure 5: Main Unit Setup Display Reference Contrast Adjust Power MgmtM Data LoggingM Date & TimeM SecurityM InformationM 10 Function Adjust contrast of display. Active setting shown on right. Adjust Auto Off Timer, Backlight Timer, or Backlight Intensity to improve battery life. Start, Stop, and setup parameters for a data log session. Adjust date and time.
ZM4 Instruction Manual 9R87-B June 2012 Power Management Setup Figure 6: Power Management Setup Display Reference Auto Off Timer Backlight Timer Backlight Level Function Automatic power off timer selection. Active setting shown on right. Automatic backlight shut off timer selection. Active setting shown on right. Backlight brightness control. Active setting shown on right. NOTE: To maximize battery life, if the backlight is frequently used, reduce the backlight level.
ZM4 Instruction Manual 9R87-B June 2012 Data Logging Setup Figure 7: Data Logging Setup Display Reference Start Stop Interval Duration Log NameM Status 12 Function Start the data log using the current settings. Stop or cancel the running data log. Adjust the data log interval time between 1 and 60 seconds. Active setting shown on right. Adjust the data log duration time between 1 minute and 24 hours. Active setting shown on right. Adjust the name of the data log.
ZM4 Instruction Manual 9R87-B June 2012 Figure 8: Data Logging Status Display The data log status display shows the configured Log Name, Interval and Duration at the top. At the bottom of the display, real-time data including Status, completion percentage and remaining time are shown.
ZM4 Instruction Manual 9R87-B June 2012 Date & Time Setup Figure 9: Date & Time Setup Display Use the arrow keys to highlight the appropriate field. Set the correct value using the Adaptive Interface Wheel. To save the new date & time press the Save key. All the fields will temporarily display dashes while the new values are stored. To cancel without saving, press the Exit key. NOTE: The seconds field (ss) is not adjustable. The time can only be adjusted to the nearest minute.
ZM4 Instruction Manual 9R87-B June 2012 Security Setup The Security feature allows you to protect sensitive functions of the device. At this time only the Field Recalibration functions can be protected. The lock indicator shown in Fig 10 above indicates whether Field Recalibration is locked or unlocked (as shown). To change the security on Field Recalibration press the right arrow key when “Field Recalibration” highlighted. The lock indicator to the right will toggle between lock and unlock.
ZM4 Instruction Manual 9R87-B June 2012 The Change Password function allows you to set a new password. The screen shown in Fig. 11 shown below displays this function. Enter the current password on the first line. Use the Adaptive Interface Wheel and arrow keys to enter the characters. Using the Next key tab down to the New Password line to redefine the password and then down to the Confirm Password line to reenter the new setting. Press Enter to confirm the new password.
ZM4 Instruction Manual 9R87-B June 2012 Pressure Sensor Setup Figure 12: Pressure Sensor Setup Display Reference Damping CalibrationM Reset Min/Max Resolution Units SelectionM InformationM Function Enable or disable damping and adjust value. Active setting shown to the right. Zero, Field Calibrate, or Restore Factory Defaults Resets Min/Max values Choose Accuracy or Precision resolution on display for selected sensor. Active setting shown to the right. Engineering units selection list.
ZM4 Instruction Manual 9R87-B June 2012 Damping Setup Figure 13: Damping Setup Display Use the Type key to change the Damping Type. The options are a follows: 1) None. The measured value is not filtered or damped. 2) Exp(exponential), which uses a traditional damping algorithm with response delays associated with the Damping Rate. 3) Smart, which employs a smart damping algorithm to produce and instant response to a step change.
ZM4 Instruction Manual 9R87-B June 2012 Calibration Setup Figure 14: Pressure Sensor Calibration Setup Display Reference Zero Field recalibrationM Restore DefaultsM Function Perform a zero adjustment of the pressure sensor at the applied input. Enter field recalibration procedure. Functionality is described on the following page. Lock setting for operation displayed on right. See NOTE below. Perform a restore defaults function. Lock setting for operation displayed on right. See NOTE below.
ZM4 Instruction Manual 9R87-B June 2012 Field Recalibration Figure 15: Field Recalibration Display The Field Recalibration Display contains the following: 1. The current calibration point and number of points displayed at the top. 2. Under “Apply:” in the black highlighted area, the nominal calibration point in the current pressure units for the sensor is displayed. 3. Under “Range:” the tolerance band around the nominal value. 4.
ZM4 Instruction Manual 9R87-B June 2012 Units Selection Setup Figure 16: Pressure Units Selection Display This selection list shows which pressure units are displayed when the Units key on the M4 is pressed. The units with the check mark to the right will be displayed. Those without the check mark will be skipped. To enable or disable a pressure unit, use the Adaptive Interface Wheel to scroll to the desired unit. Press either arrow key to check or uncheck the unit.
ZM4 Instruction Manual 9R87-B June 2012 Volts/mA Sensor Setup Figure 17: Volts/mA Sensor Setup Display Reference Mode Damping CalibrationM Reset Min/Max Resolution InformationM Function Choose Volts Measure, mA Measure, 24V Source, Volts Source, mA Source, or mA Sink Enable or disable damping and adjust value. Active setting shown to the right. Perform a Zero, Field Calibration, or Restore Factory Defaults Resets Min/Max value Choose Accuracy or Precision resolution on display for selected sensor.
ZM4 Instruction Manual 9R87-B June 2012 Volts/mA Mode Setup Figure 18: Volts/mA Mode Select Display Reference V Measure I Measure 24V Source V SourceM I SourceM I SinkM Function Selects the voltage measure mode. Selects the current measure mode. Selects the 24V loop source mode. Selects the voltage source mode. Brings up menu (described on following page) to select manual or automatic voltage simulation. Selects the current source mode.
ZM4 Instruction Manual 9R87-B June 2012 Volts/mA Source and Sink Setup Figure 19: Volts/mA Source and Sink Setup Display Reference ManualM Auto StepM Auto RampM Start Quick Ramp 24 Function Selects manual simulation. Brings up a menu to set the initial simulation value and start simulating. Selects auto step simulation. Brings up a menu to configure the auto step procedure. Selects auto ramp simulation. Brings up a menu to configure the auto ramp procedure. Starts a quick ramp simulation.
ZM4 Instruction Manual 9R87-B June 2012 Volts/mA Auto Step Setup Figure 20: Volts/mA Auto Step Setup Display Reference Start Mode: Begin Value: End Value: Num Steps: Dwell Time: Startup Delay: (not shown in Fig 20) Function Select to start the Auto Step simulation. Volts/mA mode for the simulation. For reference only, cannot be modified here. Starting simulation value. Brings up edit display to change the value. Ending simulation value. Brings up edit display to change the value.
ZM4 Instruction Manual 9R87-B June 2012 Volts/mA Auto Ramp Setup Figure 21: Volts/mA Auto Ramp Setup Display Reference Start Mode: Begin Value: End Value: Ramp Time: Startup Delay: 26 Function Select to start the Auto Ramp simulation. Volts/mA mode for the simulation. For reference only, cannot be modified here. Starting simulation value. Brings up edit display to change the value. Ending simulation value. Brings up edit display to change the value. Time to ramp between the Begin and End values.
ZM4 Instruction Manual 9R87-B June 2012 Changing Batteries Loosen the two screws in the battery cover and lift off cover. Remove the batteries by gently applying pressure to the positive side and pull upward. To install batteries (Four (4) AA 1.5 volt alkaline batteries) insert the negative side against the spring and gently apply pressure to lock in the positive side.
ZM4 Instruction Manual 9R87-B June 2012 Accessing SD Card To install the SD™ card simply insert the card in the slot and press down until you hear a click. The card has only one orientation for correct alignment. Please make sure you are inserting a SANDISK P/N SDSDB-2048-A11 or equivalent. Further details on the card are provided under the specification section. NOTE: There is a Lock located on the side of the SD™ card. When the Lock is pressed down information can only be read from the card.
ZM4 Instruction Manual 9R87-B June 2012 Downloading Data Using USB Interface The M4 has the capability to download the information stored on the SD card to a computer via the USB cable provided with the unit or via an SD card reader. The Meriam Setup Utility which allows you to download the data is provided on the CD or available at www.meriam.com. Please install the USB drivers before installing the program. The USB Interface is for the exchange of data only.
ZM4 Instruction Manual 9R87-B June 2012 Installing Wire Stand All M4 units come standard with an installed rear hand strap and a separate wire stand. To install the wire stand first pull down on the loose end of the Velcro strap to separate it, then carefully pull the strap through the lower bracket. Next remove the two Phillips screws that secure the top metal bracket. Locate the plastic bag that contains the wire stand, rubber mounting bracket, and two Phillips screws.
ZM4 Instruction Manual 9R87-B June 2012 Specifications – Range TYPE & RANGE DN0010 DN0028 DN0200 DN0415 DN2000 DI0001 DI0005 DI0015 DI0030 DI0100 DI0300 DI0500 GI0015 GI0030 GI0050 GI0100 GI0300 GI0500 GI1000 GI3000 CI0015 CI0030 CI0050 CI0100 CI0300 CI0500 AI0017 AI0038 AI0100 AI1000 +/- 0.025% of Full Scale unless otherwise noted below. Accuracy statements include the combined affects of linearity, repeatability, hysteresis and temperature over the specified operating temperature range.
ZM4 Instruction Manual 9R87-B June 2012 Specifications - Over and Under Range Soft Under & Over Range: Indicates pressure is outside of the accuracy specification of the sensor. RANGE indicator will appear. Hard Under & Over Range: Indicates pressure is significantly outside of the measurement range of the sensor. RANGE indicator will appear. Display will read “-----“. Red backlight will illuminate. Certified Range: Sensor is operating within the range of its accuracy specification.
ZM4 Instruction Manual 9R87-B June 2012 Specifications Pressure: Accuracy: ±0.025% of Full Scale Temperature Performance: Accuracy includes all affects of temperature from -20º to +50º C (-4º to +122º F) Engineering Units: 32 user selectable pressure units Pressure Limits: DN sensors: 2x range when pressurized on P1 (HI) side only, 150 PSI when applied simultaneously to P1 (HI) and P2 (LO) sides.
ZM4 Instruction Manual 9R87-B June 2012 24V Source: Typical Load Line 25.0 Output Volts (V) 24.0 23.0 22.0 21.0 20.0 19.0 18.0 17.0 0 5 10 15 20 25 Current (mA) Power: Four (4) AA 1.5 volt alkaline batteries provide 30+ hours of continuous measurement service or 10 hours of service in 24V Source mode when powering a transmitter at 20 mA output. Meriam recommends the unit be powered up for a minimum of 5 minutes to operate at the full accuracy specification of the instrument.
ZM4 Instruction Manual 9R87-B June 2012 Specifications Environmental Conditions: Calibrated: -4 to 122°F (-20 to 50°C) Storage: -40 to 140°F (-40 to 60°C) Humidity: 5 – 95%, non-condensing Altitude: Operating 2000 Meters, Storage 1000 Meters Safety: EMC: EN 61326-1, Class A IEC 61010-1, CAT-1 Voltage Protection Environmental: RoHS, WEEE, Pollution Degree 2 Shock: 1 Meter Drop Test per IEC 61010-1 This instrument is intended for a temporary connection to industrial lowvoltage current loops and not intende
ZM4 Instruction Manual 9R87-B June 2012 Zeroing and Field Recalibration To maintain the accuracy of the M4 it is recommended that both the pressure and Volts/mA sensor be zeroed prior to use. Zero is located on the main measure screen once the sensor is selected or under the Sensor setup screen. Differential and Gauge sensors shall be vented to atmosphere before executing a zero. Absolute pressure sensors must be pulled down to a complete vacuum of 200 microns or less for optimum results.
ZM4 Instruction Manual 9R87-B June 2012 Applications The M4 is designed to power up a transmitter to calibrate the pressure channel and channel and mA output. The unit under test should be isolated from the process and taken out of the loop before starting the calibration. Please make sure you have the proper sensor and range before starting the calibration. The Full Scale range of the sensor is displayed next to the sensor location in the current engineering units.
ZM4 Instruction Manual 9R87-B June 2012 Applications (continued) If you are using a DN or DI (Differential Pressure Sensor) the high pressure port (P1) is teed into the pressure source and transmitter high side (H) and low pressure port is vented to atmosphere. If you are using a GI or CI (Gauge Sensor) there is only one pressure connection. In addition to reading gauge pressure the M4 can also be used to measure pressure drop across a pressurized system.
ZM4 Instruction Manual 9R87-B June 2012 Applications (continued) Vacuum calibration can be performed by venting the high pressure connection (P1) and applying vacuum to the lower pressure connection (P2). Atmospheric pressure is the reference for all vacuum measure elements. Absolute pressure calibrations use an AI sensor which has an internal absolute zero reference. You will notice when powering up an M4 with an AI sensor, it will read the local barometric pressure.
ZM4 Instruction Manual 9R87-B June 2012 Contact Meriam In the event an M4 requires service or must be returned for repair, please contact Meriam at the numbers listed below. DO NOT send any unit in for repair without first contacting Meriam for a Return Material Authorization (RMA) number. If this number has not been obtained and clearly marked on the return packaging, the unit will be returned at the shipper’s expense.