Hioki Clamp on Earth Tester FT6381

Hioki Clamp on Earth Tester FT6381

Key Features
• Earth resistance measurement for multi-grounded systems
• Measure leak current with absolute certainty with highly sensitive 0.01 mA resolution (at 20.00 mA range)
• Measure load current up to 60.0 A range
• Clamp at the narrowest point
• Data transfer to Android™ phones using Bluetooth® wireless technology
• Real time data transfer, automatic report generation on Android™ phone

Measurement principle Instrument has two cores for voltage injection and current measurement. From the defined voltage and measured current, the total circuit loop resistance is calculated
Note: For multi grounded systems only. In a multi-grounded system, the larger the number of grounding poles, the more accurate the measured value.
Earthing resistance range 0.20 Ω (0.01 Ω resolution) to 1600 Ω (20 Ω resolution), 10 ranges, Zero suppression: Less than 0.02 Ω,
Accuracy: ±1.5 % rdg. ±0.02 Ω
AC Current range 20.00 mA (0.01 mA resolution) to 60.0 A (0.1 A resolution), 5 ranges, Zero suppression: Less than 0.05 mA,
Accuracy: ±2.0 % rdg. ±0.05 mA (30 Hz to 400 Hz, True RMS), Crest factor 5.0 or less (for the 60 A range, 1.7 or less)
Max. allowable input 100 A AC continuous, AC 200 A for 2 minutes or shorter (at 50/60 Hz, requires derating at frequency)
Max. rated voltage to earth 600 V AC CAT IV


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