AMPTEC RESEARCH 620LK-P5 Intrinsically Safe Ground Continuity Tester (20 Ω-200 Ω)

Range: 20 Ω

Nominal Current: 1 mA

Resolution: .001 Ω

Accuracy: ± .25% of reading & range

Range:200 Ω

Nominal Current: .1 mA

Resolution:.01 Ω

Accuracy:± .25% of reading & range

Terminal: Trident

Display:4 1/2 digit LCD

Update:1 reading per 3 seconds

Power: 4ea AA 1.5 VDC alkaline batteries

Weight:3 lbs.

Dimensions: 7.69″ x 7.56″ x 3″

Max. Internal Voltage: 5 VDC

Open Circuit: ~5 VDC

Operating Temperature Range: -20° to 50° C

Storage Temperature Range: -40° to 75° C

Temperature Coefficient: ± .025% per 1° C

Max. Input Voltage: 250 VDC

Data sheet