Máy đo điện trở đất Hioki 3151 (10/100/1000Ω)

Earthing resistance

10 Ω (0 to 11.5 Ω), 100 Ω (0 to 115 Ω), 1000 Ω (0 to 1150 Ω), Accuracy: ±2.5 % f.s
* when using 2-pole method, 100 Ω, 1000 Ω ranges only

Earth voltage

30 V (0 to 30 V), Accuracy: ±3.0 % f.s.

Operating method

AC potentiometer method

Functions

Switchable measurement method (2-pole, or 3-pole method), Switchable testing frequency (575 Hz, or 600 Hz), Auxiliary earthing (P/C pole) resistance check

Power requirements

R6P (AA) manganese batteries × 6 (Continuous use at least 350 operations), or LR6 (AA) alkaline batteries × 6 (Continuous use at least 1100 operations)
(under 30 seconds measurement, 30 seconds off operating time condition)

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)

Supplied accessories

AUXILIARY EARTHING RODS 9214 ×2, MEASURING CABLE 9215 (black 5 m (16.41 ft), yellow 10 m (32.81 ft), red 20 m (65.62 ft), one each, CABLE WINDER × 3), CARRYING CASE 9393 × 1, Hand strap × 1, R6P (AA) manganese batteries × 6