The Fluke 771 (2646347) mA Clamp Meter features:brul liBest in class 0.2% accuracy/li li0.01 mA resolution and sensitivity/li liMeasure 4 to 20 mA signals without “breaking the loop”/li liMeasure mA signals for PLC and control system analog I/O/li liDual backlit display with both mA measurement and percent of 4 to 20 mA span/li liMeasurement Spotlight illuminates hard to see wires in dark enclosures/li liDetachable clamp with extension cable for measurements in tight locations/li liMeasure 10 to 50 mA signals in older control systems using the 99.9 mA range/li liAutomatically change the 4 to 20 mA output for remote testing/li liPower saving features, auto-off, backlight timeout extend battery life/li liHold function captures and displays changing measurements/li/ul