Đồng hồ đo điện trở đất Hioki FT3151

Đồng hồ đo điện trở đất Hioki FT3151

Thông số kỹ thuật:

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: 164 mm(6.46 in)W × 119 mm(4.69 in)H × 88 mm(3.46 in)D
Weight: 800 g (28.2 oz)
Accessories: 9214 AUXILIARY EARTHING RODS (2), 9215 MEASURING CABLE (black 5 m(16.41 ft), yellow 10 m(32.81 ft), red 20 m(65.62 ft), one each 9216 CABLE WINDER × 3), 9393 CARRYING CASE (1)