- West Des Moines, Iowa, United States
- Jun 17th
The Milwaukee 2231-20 milliamp clamp meter is the best way to check 4-20 milliamp signal wires without having to cut or splice them. This meter is just as rugged This meter will allow you to check inputs & outputs for P.L.C. controls, building automation, boiler controls, HVAC controls, and anything utilizing a 4-20 milliamp signal.