HIOKI 3151 EARTH HiTESTER

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) 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 9216 × 3) , CARRYING CASE 9393 ( 1)