For electricians and instrumentation professionals, this Fluke 789 ProcessMeter is like the Swiss Army knife of test equipment! It combines a full-featured loop calibrator with the measurement capabilities of a True-RMS multimeter, so you can leave some other tools behind. The built-in 24V loop power supply is a game-changer - no more carrying a separate power supply when you're testing transmitters offline. There's also a built-in, selectable 250-ohm HART resistor, which eliminates another piece of equipment you'd normally need to bring along. The accuracy is impressive - it simulates DC loop current with 0.05% accuracy and 1-microamp resolution. Features like 25% manual step plus auto step and auto ramp on mA output make calibration work so much smoother. The large dual display with enhanced backlight is easy to read in any lighting condition, and the zero and 100% buttons let you quickly toggle between 4 and 20 mA sourcing for fast span checks. It runs on four AA batteries (included) with about 140 hours typical for measurement or 10 hours when sourcing 20 mA. The safety ratings are solid too - it meets 1000V CAT III and 600V CAT IV standards and has passed a one-meter drop test. If you work with process instrumentation, this tool streamlines so many tasks from troubleshooting to calibration. The build quality is typical Fluke - rugged, reliable, and built to handle tough field conditions. It's one of those tools that might seem expensive upfront but pays for itself in time saved and problems solved quickly. If you're tired of carrying multiple devices or want a more efficient way to handle process measurement and calibration, the Fluke 789 is definitely worth the investment!
Free 30-day returns 
Free 30-day returns
