EXTECH 412440 Current Loop Checker User's Guide
Summary
This pocket-sized Current Loop Checker provides essential support for industrial maintenance and calibration verification. It is an accurate current source, simulating standard transmitter outputs of 4mA, 12mA, and 20mA. Ideal for technicians, instrumentation engineers, and field service personnel checking process indicators, controllers, or verifying loop integrity. Its compact design ensures reliable and precise testing (accurate to 0.1mA) in professional environments.
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Current Loop Checker Low cost, pocket-sized checker for simulating Current Loops Instantly determine if your device needs calbration
Features: Simulates output ranges of 4m A, 12m A and 20m A from transmitter Ideal for checking calibration and as a current source for setting up engineering units on a process indicator or controller Bright red LEDs indicate simulation output or battery status Accurate to 0.1m A Overload indication when load exceeds 240Ω Compact case features push button output selector switch Dimensions: 3.5 x 2.3 x 1" (89 x 58.4 x 25.4mm); Weight: 10oz (283.5g)
Ordering Information: ................Current Loop Checker 412440-NIST ......Current Loop Checker with NIST Certificate
www.extech.com Specifications subject to change without notice. 7/29/08 - R1 Copyright © 2007 -2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.
Page Summary Contents For EXTECH 412440 Current Loop Checker User's Guide
Manual Details
| Brand | Current |
|---|---|
| Pages | 1 |
| File Size | 162.51 KB |
| Published | May 30, 2026 |
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Frequently Asked Questions
What mA ranges does it simulate?
It simulates output ranges of 4mA, 12mA and 20mA from a transmitter.
Is this device useful for calibration?
Yes, it is ideal for checking calibration and as a current source.
How accurate is the measurement?
The device is accurate to 0.1mA.
What do the red LEDs indicate?
The bright red LEDs indicate either the simulation output or the battery status.