MC141 Portable calibrator for voltage - current -
temperature - resistance

Powertek
UK Tel: +44 1788 519911
US Tel: +1 631 744 0294
Email : info@powertekuk.com

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MC141 Portable Calibrator

 -- Voltage range from 0 to 750 V DC/AC with uncertainty 0.01%
-- Current range from 0 to 2 A DC/AC with uncertainty 0.02 %
-- Calibrated sinusoidal output signal DC - 1kHz
-- Set standard resistors from 10 Ohm to 100 MOhm in decade
   values with uncertainty 0.02 %
-- TC temperature sensor simulation R, S, B, J, T, E, K, N in
   range from -250 oC to 1850 oC
 -- Cold junction point automatic compensation with internal
   Pt100 sensor
 -- RS232 interface c/w with USB convertor (IEEE488 as option)
-- Easy operation, large display  Weight 5 kg

 

The MC141 Multifunction calibrator is designed for portable and bench use in process control environments, calibration laboratories, quality departments and production lines where electrical instrumentation requires testing and calibration.   Calibration of voltmeters to 750 V ac/dc, ammeters to 2 A ac/dc, resistance ranges of multimeters and industrial transducer units can be performed easily.  RS-232 interface enables its use in automated calibration and testing systems.  The Model MC141 can work under Powertek SW applications like WinQbase and Caliber.



MC141 specifications


DC/AC voltage

range
% of value
+ % of range
% of value
+ % of range
% of value
+ % of range
DC
20 Hz - 200 Hz
200 Hz - 1000 Hz
0 mV - 10 mV *
0.05 + 0.0 + 10 µV
0.20 + 0.05 + 20 µV
0.20 + 0.10 + 20 µV
10mV - 100mV
0.01 + 0.001 + 10 µV
0.10 + 0.03 + 20 µV
0.15 + 0.05 + 20 µV
100 mV - 1 V
0.008 + 0.002
0.05 + 0.005
0.07 + 0.01
1 V - 10 V
0.008 + 0.002
0.05 + 0.005
0.07 + 0.03
10 V - 100 V
0.015 + 0.004
0.05 + 0.01
0.07 + 0.03
100 V - 750 V
0.018 + 0.004
0.03 + 0.02
0.10 + 0.03
* DC voltage from 0 µV, AC voltage from 1 mV

 

DC/AC current
range
% of value
+ % of range
% of value
+ % of range
% of value
+ % of range
DC

20 Hz - 200 Hz
200 Hz - 1000 Hz
1 µA - 200 µA
0.05 + 0.0 + 20 nA
0.25 + 0.0 + 20 nA
0.30 + 0.10 + 20 nA
200 µA - 2 mA
0.025 + 0.005
0.10 + 0.01
0.20 + 0.05
2 mA - 20 mA
0.015 + 0.003
0.07 + 0.005
0.20 + 0.05
20 mA - 200 mA
0.015 + 0.003
0.07 + 0.005
0.20 + 0.05
200 mA - 2 A
0.015 + 0.005
0.1 + 0.005
0.25 + 0.05

When option 140-50 Current coil is used, add 0.3% uncertainty to the set current value specified in the above table. 
Output current is multiplied by factor 25/50.

 

Frequency output

  
 

Frequency waveform
square with fix amplitude 5Vpk-pk

Frequency range
0.1 Hz to 2 MHz

Frequency resolution
5 1/2 digit

 

TC temperature sensor simulation

Type
R, S, B, J, T, E, K, N

Temperature range
-250 °C - 1820 °C

Uncertainty
0.4 °C až 3.2 °C

Temperature scale
ITS 90, IPTS 68
Manual and automatic compensation of cold junction temperature is available.
 

 Resistance

Nominal value (Ohm)

% of value
10
0.03 + 10 mOhm
100
0.05
1 k
0.02
10 k
0.02
100 k
0.02
1 M
0.05
10 M
0.05
100 M
0.2

 

Accessories (included)
Power line cable
1 pc
Operation manual
1 pc
Option 10/11 : Test cable for 1000V - 20 A, black/red
2 pcs

 

Options
Option 140-50
Current coil with 25/50 turns.
 
Suitable for current clamp ammeters and split core current transformers testing up to 100 A.
Current transformer test coil
Option 10
Test cable 20A/1000V (black)
  
Option 11
Test cable 20A/1000V (red)
  
Cable RS-232
RS-232, 2m
  
Cable GPIB
GPIB, 2m
  
WinQbase
Application SW for making database of meters and for automatic meter calibration.
  
CALIBER
SW module for automatic calibration of multimeters.
  

 

Ordering information
MC141
Basic version with RS-232
MC141 GPIB
version with RS-232 and GPIB interface

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