Overview saves time and money by measuring output signals without shutting down the system The Fluke 773 milliamp clamp meter is accurate and versatile. It saves time and money by measuring 4–20 mA signals five times faster than with traditional DMMs, and without breaking the loop. That means you can troubleshoot a live device without having to power down and possibly miss something going on in the process. The 773 is ideal for troubleshooting transmitters, valves, and programmable logic controllers (PLCs) found in process plants. It measures low level dc current and correlates process indication with a real physical value. And it measures up to 99.0 mA non-contact, including 10 to 50 mA signals in older control systems. The 773 also sources and measures dc voltage, so it can be used to troubleshoot voltage input and output devices. You can detach the clamp section of the meter and use it as a remote jaw, connected to the main body by an extension cable to make it easier to take measurements in tight spaces. Plus, automatic power-off features save battery life so you can work longer without changing the batteries. 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 Automatically change the 4 to 20 mA output for remote testing DC voltage measurement to verify 24V power supplies or voltage I/O signals Source DC voltage to test input devices that accept a 1-5V or 0 to 10V signals Scaled mA output provides a continuous mA signal that corresponds to the 4 to 20 mA signal measured by the mA clamp Enables milliamp signal logging to a separate logging device without breaking the loop Output mA signal enables a logging DMM or other device to record the 4- to 20 mA signal without breaking the loop mA in/out: simultaneously measure the mA signal with the clamp and source a mA signal Apply a mA input signal to a device and measure its’ 4-20 mA output on devices such as valves or mA isolators Voltage output linear ramp or 25% step output Automatically change the voltage output for remote testing Includes Four AA alkaline batteries (installed) Soft carrying case TL75 test leads AC 72 detachable clip TL 940 mini hook test leads Instruction sheet Hanging tool with hook and loop strap Specifications Specifications Diameter of measurable conductor 0.177" or 4.5 mm max Operating temperature -10 to 50ºC Storage temperature -25 to 60ºC Operating humidity < 90% @ 28ºC) Power, battery life (4) AA 1.5 V Alkaline, IEC LR6, 12 hours in mA source into 500 ohms Warranty Three years for electronicsOne year for cable and clamp assembly Functional Specifications mA measurement(measured by clamp) Resolution / range 0 to 20.99 mA Accuracy 0.2% + 5 counts Resolution / range 21.0mA to 100.0 mA Accuracy 1% + 5 counts mA measurement (measured in series with test jacks) Resolution / range 0 to 24.00 mA Accuracy 0.2% + 2 counts mA source (maximum mA drive: 24 mA into 1,000 ohms) Resolution / range 0 to 24.00 mA Accuracy 0.2% + 2 counts mA simulate (maximum voltage 50 V dc) Resolution / range 0 to 24.00 mA Accuracy 0.2% + 2 counts Voltage source (2 mA maximum drive current) Resolution / range 0 to 10.00 V DC Accuracy 0.2% + 2 counts Voltage measure Resolution / range 0 to 30.00 V DC Accuracy 0.2% + 2 counts 773 / 772 / 771 mA Clamp Meter data sheet
