Phone: 253-927-6186
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The MS-420 Current Loop Calibrator offers high accuracy in an ultra-small, rugged package.
The MiniSource Current Loop Calibrator has the ability to calibrate or troubleshoot any 4 mA to 20 mA loop device.
A single pushbutton allows the user to select one of the 5 current outputs (4, 8, 12, 16 or 20 mA) which can drive up to 300 ohms, or act as a 2-wire simulator with an external loop power supply of up to 30 VDC.

MS-420 Current Loop Calibrator

Model  Description 
MS420  Current Loop Calibrator Process Calibrator,
includes: Instruction Manual, Battery and Calibration Card 
MS-420 Current Loop calibrator
Output:  5 current steps (4, 8, 12, 16, 20 mA) 
Accuracy:  ±0.075 of full scale 
Voltage Compliance:  Source: Internal 9 volt battery
Simulate: External supply - up to 30 VDC 
Temperature Stability:  100 ppm/°C 
Power Supply:  9 volt alkaline battery 
Battery Life:  50 hours @ 4 mA out 
Temperature Range:  Operating: 0° to 50°C
Storage: ­25° to 60°C
Output Terminations: Two alligator clips on 8" leads. 
Size:  3.8" x 2.4" x 1.0" 
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Hotek Technologies, Inc
tel: 253-927-6186