Martel MS-420 Current Loop Checker

Need a quick 4-20 loop checker for a low price? The Martel MS-420 is your solutions!

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/Convertors
• Panel Meters
• Data Acquisition Systems
• Other Process Instruments
• Plant/Equipment Checks & Start-ups

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"

Price: $229.00
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Manufactured by Martel Electronics (Beta)

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