4 20ma current loop tester Archives

Troubleshooting Current Loops with Voltage Measurement

Sometimes ammeter or current measurement with multimeter is unavailable at work locations , we can still perform useful troubleshooting measurements

The basic layout of every 4-20mA loop consists of a power supply, a transmitter, and passive loop devices. The supply

The most popular form of signal transmission used in modern industrial instrumentation systems is the 4 to 20 milliamp DC