Loop calibrator Fluke 705 / 707

Loop calibrator, model 705: Measurement, voltage feed and simulated mA. Simultaneous display of mA and %. mA inaccuracy of 0.02. Pushbutton for 25% increments to enable quick and easy linearity control. ''Span Check'' for quick confirmation of zero and range. Choice of slow ramping, quick ramping and step operation. 24 V internal voltage source. Starting positions for 0-20 mA or 4-20 mA.

Model 707: Same functions as Fluke 705. ''Quick Click'' rotary switch with stops for one-handed operation. Better inaccuracy: 0.015%. Input protection for mains voltage. 250 ohm loop resistance for use with Hart instruments.

Simulation capacity: 1000 Ω @ 24 mA.

Loop voltage when measuring mA: 24 V.