HIOKI 3151 Earth HiTester

HIOKI 3151 Earth HiTester

Classic Earth Resistance Tester Using 3-Pole Method

Earthing or grounding of electrical equipment is essential to maintain safety, protecting lives, as well as prevent damage to equipment. The 3151 uses the AC phase differential system to measure earthing resistance, which assures that accurate measurements are unaffected by earth voltage and auxiliary earthing resistance.

Overview

• 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

Specification

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 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 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

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