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Martel MS-420 Current Loop Checker Calibrator

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OUR PRICE: Discontinued Replaced by Fluke 705
Item Number: MS420
Manufacturer: Martel Electronics (Beta)
Manufacturer Part No: MS420
Martel MS-420 Loop Checker

Martel MS-420 Current Loop Checker

This multi-purpose process loop tool offers, high accuracy in an ultra-small, rugged package. The Mini Source Process Calibrator has the ability to calibrate or troubleshoot any 4mA to 20mA loop device. A single push button allows the user to select one of the 5 curent 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. 

Typical Applications:

  • Chart Recorders
  • Signal Isolators/Converters
  •  Panel Meters
  • Data Acquisition Systems
  • Other Process Instruments 
  • Plant/Equipment Checks & Start-ups
  • Panel Shop system spot checks

Technical Specifications:

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/Deg C
Power Supply 9 Volt Alkaline Battery
Battery Life 50 @ 4mA 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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