HIOKI 3151 Earth HiTester Ground resistance meter 3-electrode measurement on the 3151 gives greater precision !
Wide measurement range for 0 to 1150 O, based on EN standard. Switchable measurement frequency to minimize the influence of harmonic earth voltage. Semi-dust-proof construction.
Earthing resistance : 10 O (0 to 11.5 O), 100 O (0 to 115 O), 1000 O (0 to 1150 O), Accuracy: ±2.5 % f.s * when using 2-pole method, 100 O, 1000 O 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