User’s Guide MultiPro™ Digital MultiMeter Series With PC Interface Models: MP510A MP530A 00 1 21 3 42 5 63 A 7 84 9 105
1) SAFETY Terms in this manual WARNING identifies conditions and actions that could result in serious injury or even death to the user. CAUTION identifies conditions and actions that could cause damage or malfunction in the instrument. This manual contains information and warnings that must be followed for operating the instrument safely and maintaining the instrument in a safe operating condition.
WARNING To reduce the risk of fire or electric shock, do not expose this product to rain or moisture. To avoid electrical shock hazard, observe the proper safety precautions when working with voltages above 60 VDC or 30 VAC rms. These voltage levels pose a potential shock hazard to the user. Do not touch test lead tips or the circuit being tested while power is applied to the circuit being measured. Keep your fingers behind the finger guards of the test leads during measurement.
3) PRODUCT DESCRIPTION Panel Illustration 1) 5000 count LCD display 1 00 1 21 3 42 5 63 7 84 9 105 2 A 3 4 5 6 7 2) Push-buttons for special functions & features 3) Selector to turn the Power On or Off and Select a function 4) Input Jack for 10A (20A for 30sec) current function 5) Input Jack for all functions EXCEPT current (μA, mA, A) functions 6) Common (Ground reference) Input Jack for all functions 7) Input Jack for milli-amp and micro-amp current functions
Analog bar-graph The analog bar graph provides a visual indication of measurement like a traditional analog meter needle. It is excellent for detecting faulty contacts, identifying potentiometer clicks, and indicating signal spikes during adjustments. Average sensing RMS calibrated RMS (Root-Mean-Square) is the term used to describe the effective or equivalent DC value of an AC signal. Most digital multimeters use average sensing RMS calibrated technique to measure RMS values of AC signals.
CMRR (Common Mode Rejection Ratio) Common mode voltage is voltage present on both the COM and VOLTAGE input terminals of a DMM, with respect to ground. CMRR is the DMM's ability to reject common mode voltage effect that can cause digit rolling or offset in voltage measurements. This series has a CMRR specification of >60dB at DC to 60Hz in ACV function; and >120dB at DC, 50 and 60Hz in DCV function. If neither NMRR nor CMRR specification is specified, a DMM's performance will be uncertain.
Capacitance, Diode test function Default at . Press SELECT button momentarily to select 7 Diode test function. CAUTION Discharge capacitors before making any measurement. Large value capacitors should be discharged through an appropriate resistance load. Cap A Diode A Forward Bias Diode A Reverse Bias Normal forward voltage drop (forward biased) for a good silicon diode is between 0.400V to 0.900V. A higher reading indicates a leaky diode (defective).
Temperature function (Model MP530 only) Press SELECT button momentarily to toggle between °C and °F readings, and the new setting will be saved automatically in the non-volatile memory as power up default. K-temp A K-temp A Note: Be sure to insert the banana plug K-type temperature bead probe with correct polarities. Ω Resistance, Continuity functions Default at Ω. Press SELECT button momentarily to select Continuity function, convenient for checking wiring connections and operation of switches.
CAUTION Using resistance and continuity function in a live circuit will produce false results and may damage the instrument. In many cases the suspected component must be disconnected from the circuit to obtain an accurate reading Ω Ω A A 3 Sec Auto leads resistance calibration When entering the 50Ω range manually by RANGE button for high precision low resistance measurement, this feature will prompt to short the inputs for calibration. The display shows “Shrt”.
μA, mA, and A Current functions Default at DC. Press SELECT button momentarily to select AC. *Note: When measuring a 3-phase system, special attention should be taken to the phase-to-phase voltage which is significantly higher than the phase-to-earth voltage. To avoid exceeding the voltage rating of the protection fuse(s) accidentally, always consider the phase-to-phase voltage as the working voltage for the protection fuse(s).
50ms MAX/MIN at fast 20/s measurement mode (Model MP530 only) Press the MAX/MIN button momentarily to activate MAX/MIN recording mode. The LCD annunciators “MAX MIN” turn on, and the reading update rate will be increased to 20/second. The meter beeps when a new maximum or minimum reading is updated. Press the button momentarily to read throughout the Maximum (MAX), Minimum (MIN), and Maximum minus Minimum (MAX-MIN) readings. Press the button for greater than 1 second exit MAX/MIN mode.
Backlighted display Press the SELECT button for 1 second or more to turn on or off the display backlight function. The backlight will also be turned off automatically after 30 seconds to extend battery life. Hold The hold function freezes the display for later viewing.
Relative mode (Model MP530 only) Relative zero allows any reading to be stored as a reference value and all following reading to be reference to that value. Practically all displaying readings can be set as relative reference value including MAX/MIN feature readings. Press the button momentarily to activate and to exit relative zero mode.
Auto Power Off (APO) The Auto Power Off (APO) mode turns the meter off automatically to extend battery life after approximately 17 minutes of no activity. Activities are specified as: 1) Rotary switch or push button operations, and 2) Significant measuring readings of above 10% of range or non-OL Ω readings. That is, the meter will intelligently avoid entering the APO mode when it is under normal measurements.
Trouble Shooting If the instrument fails to operate, check battery, fuses, leads, etc., and replace as necessary. Double check operating procedure as described in this user’s manual If the instrument voltage-resistance input terminal is subjected to accidental high voltage transient the series fusible resistors will blow (become high impedance), like standard fuses, to protect the user and the instrument. Most measuring functions through this terminal will then be an open circuit.
(6) SPECIFICATIONS DC VOLTAGE RANGE Accuracy 50.00 mV 0.12% + 2d 500.0 mV 0.06% + 2d 5.000V, 50.00V, 500.0V, 1000V 0.08% + 2d NMRR: >60dB @ 50/60Hz, CMRR: >120dB @ DC, 50/60Hz, Rs=1kΩ Input impedance: 10MΩ, 16pF nominal (44pF nominal for 50mV & 500mV ranges) AC VOLTAGE Accuracy RANGE 50Hz/60Hz 50.00mV, 500.0mV, 5.000V, 50.00V, 500.0V, 1000V 0.5% + 3d 40Hz to 500Hz 50.00mV, 500.0mV 0.8% + 3d 5.000V, 50.00V, 500.0V 1.0% + 4d 1000V 1.2% + 4d Up to 20kHz 50.00mV, 500.0mV 0.5dB* 5.000V, 50.00V, 500.
AC CURRENT RANGE Accuracy Burden Voltage 50 / 60Hz 0.6%+3d 500.0μA, 5000μA 0.15mV/μA 50.00mA, 500.0mA 0.6%+3d 3.3mV/mA 5.000A, 10.00A* 0.6%+3d 45mV/A 40Hz to 1kHz 0.8%+4d 500.0μA, 5000μA 0.15mV/μA 50.00mA 0.8%+4d 3.3mV/mA 500.0mA 1.0%+4d 3.3mV/mA 5.000A, 10.00A* 0.8%+4d 45mV/A *10A continuous, 20A for 30-second max with 5 minutes cool down interval Peak Capture (for V & A) Specified accuracy ±150 digits for changes > 5 ms in duration RESISTANCE RANGE Accuracy 0.3% + 6d 50.00Ω 0.1% + 3d 500.0Ω 0.1% + 2d 5.
TEMPERATURE (MP530 ONLY) RANGE -50°C TO 1000°C -58°F TO 1832°F 18 Accuracy 0.3% + 3d 0.3% + 6d FREQUENCY Function Sensitivity Range (ACrms) mV 300mV 10Hz - 125kHz 5V 2V 10Hz - 125kHz 50V 20V 10Hz - 20kHz 500V 80V 10Hz - 1kHz 1000V 300V 10Hz - 1kHz 300mV 10Hz - 125kHz Ω, Cx, diode 10% F.S. 10Hz - 125kHz μA, mA, A Peak mode for V & A functions Accuracy: Specified accuracy ±150 digits for changes > 0.8 ms in duration Audible Continuity: Measurement threshold: Beeper will sound if measurement is below 20 .
o 19 Storage Temperature: -4° to 140°F (-20 to 60 C) Relative Humidity: Max 80% up to 87ºF (31ºC) decreasing linearly to 50% at 113ºF(45ºC): <80% storage Altitude: Operating below 2000 meters Temp. Coefficient: Nominal 0.
WARRANTY 20 EXTECH INSTRUMENTS CORPORATION (A FLIR COMPANY) warrants this instrument to be free of defects in parts and workmanship for three years from date of shipment (a six month limited warranty applies to sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext. 210 for authorization or visit our website www.extech.com for contact information.
