Milliamp process clamp meters can measure mA signals without breaking the loop. The Fluke 773 mA Clamp Meter is Flukes premier mA Clamp Meter, providing you with the best in troubleshooting and process calibration power. Need more hours in your day. Save time by NOT breaking the loop on 4-20 mA signal measurements. Are you spending time: Taking mA measurements by removing a wire and breaking the loop Calling the control room to isolate a loop Testing analog input/output on a console Troubleshooting devices with mA inputs and outputs Repairing intermittent or erratic 4-20 mA loops Going back to the shop to get extra tools. If you need more time in your busy day take a good look at the Fluke 773 mA Clamp Meters. Its designed to save you time, and money, by eliminating time wasting activities. Now you can troubleshoot and repair 4-20 mA loops without breaking the loop or bringing down the system.