MEATEST M140 Multifunction Calibrator – 35 ppm


The Meatest M140 35 ppm AC/DC multifunction calibrator for multimeters, ammeters, ohmmeters, temperature meters, transducers, regulators and many more.

The built-in multimeter further increases user friendliness by simultaneously reading and evaluating Unit Under Test output signals.


  • Wide range of functions
  • Built-in multimeter

Authorised Australian Distributor

pdf    M140 Datasheet
pdf    M140 Operations Manual
pdf   M140 Series Application Note
pdf    M140 Accessories


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The MEATEST M140 Multifunction Calibrator is for use in calibration laboratories as an electrical standard of voltage, current, resistance, capacitance and frequency. The voltage output can source up to 30 mA – enough for most high-consumption analogue power-meters. Installed harmonic and non-harmonic shape signals allow for testing meter sensitivity to distorted signals by a signal with various crest factor. Frequency modes, suitable for calibration of multimeters and time bases of oscilloscopes, have adjustable 6-digit frequency, amplitude and duty ratio of the output signal. The calibrator can measure temperature with TC and RTD temperature sensors to show it on display or use for cold junction compensation.

Built-in multimeter – Tester

The MEATEST M140 Multifunction Calibrator internal multimeter has the capability to measure VDC, IDC, R and F process signals. Meter functions can run simultaneously with source functions to measure and evaluate output signals of various types of transducers as well as external sensors (strain gauge, pressure, torsion, strength, etc.).
Another useful feature of the multimeter is 10-point automated UUT test. The calibrator can be set to source an output signal in up to 10 predefined steps and compare UUT’s output with predefined specifications and optionaly operate the UUT or a switch using a relay output. The results are then displayed directly on the calibrator screen in a comprehensive table with PASS/FAIL sign at each step.

User Friendly

The MEATEST M140 calibrator is focused on user friendliness making calibrations simple and straightforward. Each function has its dedicated button and all relevant details including total relative accuracy are shown on large LCD screen. A range of adapters for easier terminal connection and automation possibilities, relative deviation feature that can help you with UUT error calculation and easy keyboard-controlled adjustment procedure are just a few examples to prove the point.
GPIB and RS-232 interfaces are present in both versions so the calibrator can be operated via remote control or used in WinQbase/Caliber software calibration systems including the CamOCR module for automated optical UUT readouts.

MEATEST M140 Multifunction Calibrator Features:

  • DC and AC voltages up to 1000 volts.
  • DC and AC currents up to 20 amps.
  • Resistance up to 50Ω..
  • Capacitance up to 50µF.
  • TC / RTD temperature sensor simulation.
  • Frequency output up to 20 MHz.
  • Electric power up to 240V / 10 amps
  • Built-in process multimeter
  • GPIB and RS-232 interfaces.

MEATEST M140 Multifunction Calibrator Specifications:

DC voltage 0 – 1000 V
± 30 ppm / year
AC voltage 1 mV – 1000 V, 20 Hz – 50 kHz
sinusoidal & non-sinusoidal waveforms
± 250 ppm / year
DC current 0 – 20 A (1000 A with 140-50 Current Coil)
± 100 ppm / year
AC current 1 uA – 20 A, 20 Hz – 5 kHz (1000 A with 140-50 Current Coil)
sinusoidal & non-sinusoidal waveforms
± 500 ppm / year
DC Power & Energy 0.4 mW – 2.4 kW (120 kW with 140-50 Current Coil)
1.1-1999 s
± 510 ppm / year
AC Power & Energy 0.4 mW – 2.4 kW, 40 – 400 Hz (120 kW with 140-50 Current Coil)
1.1-1999 s, power factor -1 to +1
± 635 ppm / year
Resistance 0 Ω – 50 MΩ, resolution 4½ digits
± 150 ppm / year
Capacitance 900 pF – 50 uF, resolution 4½ digits
± 0.5 % / year
Temperature TC BEJKNRST with cold junction compensation
RTD ± 0.07°C / year
Frequency 0.1 Hz – 20 MHz
± 50 ppm / year

Process Multimeter

DC voltage 0 – 12 V
mVDC resolution down to 100 nV
± 100 ppm / year
DC current 0 – 25 mA
± 150 ppm / year
Resistance 0 Ω – 2.5 kΩ, resolution 4½ digits
± 200 ppm / year
Temperature TC BEJKNRST
RTD ± 0.1°C / year
Frequency 1 Hz – 15 kHz
± 50 ppm / year



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