These innovative mA clamp meters are designed to measure, test and troubleshoot 4 to 20 mA control signals without breaking the mA loop. Make mA measurements in active control systems without disrupting process control. Save time and money troubleshooting process control loops.

All 771, 772, and 773 Fluke Models feature

• 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


• Three year warranty for electronics; 1 year warranty for clamp cable assembly