Hioki FT6380-50 Clamp On Earth Tester

In stock


Hioki FT6380-50 Clamp On Earth Tester is a highly advanced instrument designed for measuring the grounding resistance of electrical systems. It is an essential tool for maintaining the safety and reliability of electrical installations in a variety of industrial, commercial, and residential settings.

Applications: Electrical Installations, Telecommunications, Industrial Sites, Railways, etc.

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Hioki FT6380-50 Clamp On Earth Tester is capable of measuring ground resistance from 0.05 Ω to 1500 Ω, with a resolution of 0.01 Ω, making it ideal for accurately measuring the grounding resistance of various types of electrical systems. Additionally, the FT6380-50 can also measure AC voltage and frequency, making it a versatile instrument that can be used for a wide range of electrical testing applications.

Features of Hioki Earth Tester:

  • Multiple grounding can be easily checked with the clamps.
  • Transfer data via Bluetooth® wireless communication
  • Alarm Function
  • High Accuracy and Repeatability

Additional information



Model No


Earthing resistance range

0.20 Ω (0.01 Ω resolution) to 1600 Ω (20 Ω resolution), 10 ranges


±1.5 %

AC Current

20.00 mA (0.01 mA resolution) to 60.0 A (0.1 A resolution), 5 ranges,


±2.0 %

Maximum input current

100 A AC continuous, AC 200 A for 2 minutes or shorter

Maximum rated terminal-to-ground voltage

600 VAC measurement category IV

Storage capacity

2000 readings




IP 40

Power Supply

LR6 alkaline battery × 2

Operating Time

Approx. 35 to 40 hours

Supply Scope

Carrying case, Resistance check loop (1 Ω±2%, 25Ω±1%), Strap, LR6 alkaline battery × 2, Instruction manual


73 mm (2.87 in) W × 218 mm (8.58 in) H × 43 mm (1.69 in) D


620 g

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Clamp On Earth Tester

Hioki FT6380-50 Clamp On Earth Tester