The Fluke 789 Process Meter is the ultimate loop calibration multimeter. This process meter has a 24 V Loop power supply, HART mode setting with loop power (adds 250 ohm resistor), large dual display, 1200 ohm drive capability in a mA source and 0-100% mA Span Check buttons to toggle between 4 and 20 mA.
Supplied with TL71 Premium test leads set, plus AC72 Alligator clips, batteries user manual and Quick Reference Guide.