Hioki Earth Tester FT6031-50

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Hioki FT6031-50 is an IP67 protected ground resistance tester which works efficiently with innovative features.

Hioki FT6031-50 is a dust and waterproof Ground resistance tester, well renowned for its accuracy and durability. FT6031 comes equipped with a broad range of  electrical measurement applications, including voltage, current, resistance, and continuity testing. FT6031-50 has high sensitive earth rods and an innovative cable winder enabling the user to complete earth resistance test faster than ever. 

CAT IV 100 V, CAT III 150 V, CAT II 300 V

Earthing or grounding of electrical equipment is essential to maintain safety, protecting lives, as well as prevent damage to equipment. The main attributes of FT6031-50 are :

  • IP67 protected
  • Provides excellent wireless support by easy data transfers to your device
  • excellent noise resistance
  • Wide range of measurements
  • Minimizing cabling time with advanced earthing rods and cable winders
Measurement system

Two-electrode method/three-electrode method (switchable)

Measurement range

20 Ω (0 Ω〜20.00 Ω), 200 Ω (0 Ω〜200.0 Ω), 2000 Ω (0 Ω〜2000 Ω)


±1.5% rdg ±8 dgt, ±1.5% rdg ±4 dgt, ±1.5% rdg ±4 dgt

Earth voltage

0〜30.0 V rms
Accuracy: ±2.3% rdg ±8 dgt (50 Hz/60 Hz), ±1.3% rdg ±4 dgt (DC)

Allowable earth potential

25.0 V rms (DC or sine wave)

Dustproof and waterproof

IP65/IP67 (EN60529)

Power supply

LR6 Alkaline battery ×4, Possible number of measurements: 500 times (measurement conditions: three-electrode method, measuring 10 Ω at 10-second intervals without Z3210 installed)


Live wire warning, zero-adjustment, continuous measurement mode, wireless communication (only when Z3210 is connected), and comparator

Dimensions and mass

185 mm (7.28 in)W × 111 mm (4.37 in)H × 44 mm (1.73 in)D, 570 g (20.1 oz.) (including batteries and protector, excluding terminal covers and other accessories)

Included accessories

Auxiliary Earthing Rod L9840 (2 piece set) ×1, Measurement Cable L9841 (black 4 m) ×1, Measurement Cable L9842-11 (yellow 10 m, equipped with winder) ×1, Measurement Cable L9842-22 (red 20 m, equipped with winder) ×1, Carrying Case C0106 ×1, Protector ×1, LR6 Alkaline battery ×4, Instruction manual ×1

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