Fluke 773 Milliamp Process Clamp Meter, 4 to 20 mA

• Ideal for troubleshooting transmitters, valves, and programmable logic
  controllers (PLCs) found in process plants. This meter measures 4 to 20 mA
  signals without breaking the loop, which allows it to troubleshoot a live
  device without having to power down. Additionally, users can detach the clamp
  section of the meter.