Hioki FT3151 Analog Earth Tester

Availability : in stock

Earthing or grounding of electrical equipment is essential to maintain safety, protecting lives, as well as prevent damage to equipment. The FT3151 Analog EarthTester uses the AC phase differential system to measure earthing resistance, which assures that accurate measurements are unaffected by earth voltage and auxiliary earthing resistance. New innovate cord winders make clean up a breeze.

Key Features

• Three-electrode method, Two-electrode method (Simple Measurement)
• Wide measurement range for 0 to 1150 Ω, based on EN standard
• Switchable measurement frequency to reduce the effects of power supply harmonics
• Dramatically faster setup: Comes with improved earthing rods and cord winders

Measurement system

AC potentiometer method, Three-electrode method/ two-electrode method (switchable)
Measuring frequency: 575 Hz/ 600 Hz
Measurement current: Three-electrode method: 15 mA rms or less; Two-electrode method: 3 mA rms or less
Open circuit voltage: 50 V AC rms or less

Measurement range

10 Ω (0 to 11.5 Ω), 100 Ω (0 to 115 Ω), 1000 Ω (0 to 1150 Ω)

Nominal Deviation

±0.25 Ω, ±2.5 Ω, ±25 Ω


Auxiliary earth resistance check S (P)/ H(C)

Earth potential measurement

0 to 30 V, Nominal Deviation: ±3.0 % f.s.

Power supply

LR6 (AA) Alkaline battery ×6, 1100 times operation (at 30 sec. measurement/ 30 sec. rest cycle)

Dimensions and mass

164 mm (6.46 in)W × 119 mm (4.69 in)H × 88 mm (3.46 in)D, 760 g (26.8 oz)

Included accessories

Auxiliary Earthing Rod L9840 (2 piece set) ×1, Measuring cable L9841 (alligator clip, black 4 m (13.12 ft)), Measurement Cable L9842-11 (yellow 10 m (32.81 ft), equipped with winder), Measurement Cable L9842-22 (red 20 m (65.62 ft), equipped with winder) ×1, LR6 (AA) Alkaline battery ×6, Carrying Case C0106 ×1, Instruction manual ×1

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