Đồng hồ đo điện trở đất Hioki 3151

Specifications
Ground resistance     10 ohm (0 to 11.5 ohm), 100 ohm (0 to 115 ohm), 1000 ohm (0 to 1150 ohm), 3 ranges (±2.5 % f.s.)
Ground voltage     30 V (0 to 30 V), (±3.0 % f.s.)
Operating method     AC potentiometer method
Open circuit voltage     50 V AC max.
Measurement current     15 mA AC max. (3 mA AC max. when using the two electrode method)
Measurement frequency     575 Hz (with 3a or 2a selected) or 600 Hz (with 3b or 2b selected)
Power supply     R6P(AA) manganese batteries × 6 (at least 500 operations), or LR6(AA) alkaline batteries × 6 (at least 1400 operations)   Note:30 seconds measurement, 30 seconds off operating time
Dimensions, mass     164 mm(6.46 in)W × 119 mm(4.69 in)H × 88 mm(3.46 in)D, 800 g (28.2 oz)