EDN

4-20mA Current Loop Configurations and FAQ’s

Transmitters are available with either floating outputs (typically used in loop-powered applications) or with single-ended outputs (typically used in locally-powered applications). This application ...
AZOM

4–20 mA Current Loop Communications – A Guide

Imagine this scenario: There is a flow meter with 4–20 mA output setup. The switch is flipped, thereby turning it on. Then it is noted that the readings are off, and the required output is not shown.
EDN

4-20mA Current Loop Tester

This design will interest technicians who work on pneumatically operated valves and other 4-20mA current loop controlled devices. Although 4-20mA signal injector/calibrators are available, this one is ...
Fox 5 San Diego

Avimesa validates Compulab IOT Gateway with dual 4-20mA loop interface

High-End loop sensors provide PLC grade sensors to lower cost IoT site installations. SAN DIEGO, CA, UNITED STATES, May 23, 2023/EINPresswire.com/ -- Avimesa ...
Electronic Design

Optically Isolated 4- To 20-mA Current-Loop Transmitter Is Accurate, Inexpensive

Galvanically (that is, optically or electromagnetically) isolated 4- to 20-mA current loops offer robust noise immunity and tolerate long cable runs. These advantages, combined with simple unshielded ...
Electronics Weekly

4-20mA sensor transmitter from Maxim

The MAX12900 is for automation and process control, loop-powered 4-20mA current transmitters, remote instrumentation and smart sensors. The device increases system accuracy with 10 ppm/°C voltage ...
Machine Design

Sensor Sense: 4-to-20-mA Current Loops

Use of 4-to-20-mA current loops involves more than just a simple series connection between sensor, display, and power supply. The point where a sensor takes a measurement is, at times, many yards away ...
Electronics Weekly

4-20mA LVDT position sensors are hermetic for industry

NewTek Sensor Solutions of New Jersey is offering hermetically-sealed LVDT position sensors with a 4 – 20mA current loop output. “Sustaining accuracy with no errors over long distance transmissions, 4 ...
Automation World

Field and Panel Mount Loop-Powered 4 to 20mA Process Displays

The ProSense LPM1 series of loop panel meters offers a simple, low cost digital display of an analog 4-20mA signal. Models are available for mounting in a standard 1/8 DIN size panel cut-out with ...
Machine Design

Reasons for 4-20mA signal in LVDT Applications

To reduce noise and voltage drops in analog voltage signals, the market place has adopted an analog current (4-20mA) output as its sensor signaling standard. A very robust signal, 4-20mA current ...
The Engineer

4-20mA DC clamp meter forms part of Fluke Connect wireless test tools

Fluke has introduced a Current Clamp Meter measuring 4-20mA DC that wirelessly relays measurements to other Fluke Connect enabled master units or the Fluke Connect mobile App. The Fluke a3004 FC ...