With the Fluke 772 Milliamp Process Clamp Meter You dont have to break the loop to make 4-20 mA signal measurements. Fluke 772 Features Best in class 0.2 % accuracy 0.01 mA resolution and sensitivity Measure 4 to 20 mA signals without ”breaking the loop” Measure mA signals for PLC and control system analog I/O Dual backlit display with both mA measurement and percent of 4 to 20 mA span Measurement Spotlight illuminates hard to see wires in dark enclosures Detachable clamp with extension cable for measurements in tight locations Measure 10 to 50 mA signals in older control systems using the 99.9 mA range Automatically change the 4 to 20 mA output for remote testing Power saving features, auto-off, backlight timeout extend battery life Hold function captures and displays changing measurements Measure 4 to 20 mA signals with in-circuit measurement Simultaneous mA in-circuit measurement with 24V loop power for powering and testing transmitters Source 4 to 20 mA signals for testing control system I/O or I/Ps mA output linear ramp or 25% step output > Each Fluke 772 Includes Soft carrying case Test leads Alligator clips Hanging strap User’s manual