Hioki-3151 เครื่องวัดความต้านทานดิน

Wide measurement range for 0 to 1150 Ω, based on EN standard
Switchable measurement frequency to minimize the influence of harmonic earth voltage
Semi-dust-proof construction
Operating system : AC potentiometer method, 3-pole measurement, 2-pole measurement
Note: When using 2-pole method, applies only when the measurement range of 100 Ω (0 to 115 Ω) and 1000 Ω (0 to 1150 Ω)
Measurement range : 10 Ω (0 to 11.5 Ω),100 Ω (0 to 115 Ω),1000 Ω (0 to 1150 Ω)
Accuracy : ±2.5 % f.s.,±2.5 % f.s.,±2.5 % f.s.
Earth voltage : 30 V (0 to 30 V), Accuracy: ±3.0 % f.s.
Functions : Switchable testing frequency (575 Hz, or 600 Hz), Auxiliary earthing (P/C pole) resistance check
Power supply : R6P (AA) manganese battery ×6 (Continuous use: 350 times), or LR6 (AA) alkaline battery ×6 (Continuous use: 1100 times) (at 30 sec measurement/ 30 sec pause cycle)
Dimensions and mass : 164 × 119 × 88 mm  (800 g)
Included Accessories : Auxiliary Earthing Rod 9214 ×2, Measuring Cable 9215 (Black 5 m (16.41 ft), Yellow 10 m (32.81 ft), Red 20 m (65.62 ft), each one, Cable winder×3), Carrying Case 9393 ×1, Hand strap ×1, R6P (AA) manganese battery ×6, Instruction manual ×1