Wide voltage range from 0 to 1000 V DC/AC with accuracy 0.01 %
Extended current range from 0 to 20 A DC/AC with accuracy 0.02 %
Extended current range to 1000 A using Meatest Option 140-50 Current coil for calibration of clamp ammeters
Sinusoidal & Non-sinusoidal waveforms
Fix standard resistors 10 O to 100 MO in decimal values with calibration accuracy 0.02 %
Thermocouple temperature sensor simulation R, S, B, J, T, E, K, N in range from 250 °C to 1850 °C
Cold junction automatic compensation using external Pt1000 sensor
RTD temperature sensor simulator as option
Power supply voltage 115/230V at 50/60 Hz
Interface RS 232, IEEE488 (optionally)
Small dimensions, overall weight 9 kg

Description

M143 Multifunction calibrator is cost saving solution for calibration of meters of electric quantities up to 1000 V and 20 A. It offers basic accuracy 0.01% in DC voltage needed for calibration of 3½ and 4½ digit multimeters. Resistance function is covered by eight fix resistors in range from 10 O to 100 MO. The calibrator offers TC temperature sensor simulation. It can be delivered optionally as well with RTD temperature sensor simulator. Thanks to its small dimensions and low weight the calibrator can be applied easily for field calibrations.
The calibrator main application field are production lines of panel meters, multimeters, transducers, measuring amplifiers, thermometers, and calibration laboratories where the calibrator can be applied as source of standard value for calibrations, verifications and adjustments of units under test.
Interface RS-232 and optionally GPIB interface bus enable automated operation in remote mode offering time saving automatic calibrations. Model M143 is fully compatible with Meatest calibration SW package CALIBER/WinQbase.

Standard accessories

Basic accessories (included in delivery)

Power line cord 1 pc
User�s manual 1 pc
Test report 1 pc
Test cable 1000V/20A, 1m 2 pc
Option 60 RTD Simulator Cable Adapter 1 pc (optionally)
Option 90 Pt1000 External Temperature Sensor 1 pc
Cable RS232 1 pc

Recommended options

Option 140-50 Current coil with multiplying coefficient x25 and x50 is a usefull tool for calibration of clamp ammeters up to 1000 A at 50/60 Hz signal frequency.

External temperature sensor Pt1000 can be used for automatic compensation of cold junction of simulated thermocouple sensors.

Option 143-60 Cable adapter is designed for simulation of RTD temperature sensors. The adapter is connected to the front panel AUX connector. Platinum and nickel sensors temperature dependency is predefined in the calibrator.

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