Fluke 789

789, Fluke Calibrator Process Meter Basic Features • 24 V Loop power supply • Very large dual display • Enhanced backlight with 2 brightness settings • 1200 Ohm drive capability on mA source • HART mode setting with loop power and a built-in 250 ohm resistor • 0% and 100 % buttons to toggle between 4 and 20 mA sourcing for a quick span check • Externally accessible fuses for easy replacement • Infrared-port to process data in FlukeView Forms ( V2.1) software • Precision 1000 V, 440 mA True-RMS digital Multimeter • 0.1% dc voltage accuracy • 0.05% dc current accuracy • Frequency measurement to 20 kHz • Min/ Max/ Average/ Hold/ Relative modes • Diode Test and Continuity Beeper • Simultaneous mA and % of scale readout • 20 mA DC current source / loop calibrator / simulator • Manual Step ( 100% , 25% , Coarse, Fine) plus Auto Step and Auto Ramp • Externally accessible battery for easy battery changes Specifications Size : 50 x 100 x 203mm Weight : 610g