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FT6041 – Earth Tester

Hioki

Field-capable, Fast-working

Extensive measurement functionality

Hioki

FT6041 – Earth Tester

Overview

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

Key Features

  • Compatible with 4-pole method
  • Measure ground resistance without disconnecting ground electrodes
  • IP67 protected, built tough to withstand use at harsh sites
  • Make measurements, even on concrete by using Earth Nets Module
  • Fast measurement!
  • Cord rewinding that doesn’t tangle or twist
  • Clamp sensor (optional) to fit both narrow and wide bus bars
  • Easily transfer measurement data to your smartphone or tablet by using our free app GENNECT Cross or to an Excel® file. (Wireless Adapter Z3210 is necessary)
Measurement parameters • Ground resistance measurement: 4-pole method, 3-pole method, 2-pole method, MEC function, clamp-on measurement (two clamps)
• Soil resistivity measurement: 4-pole method
• Low-resistance measurement: 4-terminal method, 2-terminal method
• Ground potential measurement
Ground potential 0 to 30.0 V RMS, accuracy: ±2.3% rdg. ±8 dgt. (50/60 Hz), ±1.3% rdg. ±4 dgt. (DC)
Functions Live wire warning, auto power save, soil resistivity display (4-pole method only), zero-adjustment, auto-hold, continuous measurement mode, wireless communication (only when Z3210 is connected), buzzer sound, comparator, switching the display, ground potential overload display (when measuring ground resistance)
Operating temperature and humidity -25°C to 65°C (*1) (non-condensing)
Storage temperature and humidity -25°C to 65°C: 80% RH or less (non-condensing)
Dustproof and waterproof IP65, IP67 (EN60529)
Standards EN61010 (safety), EN61326 (EMC), EN61557-1/EN61557-10/EN61557-14 (low-resistance measurement, earth testers), EN61557-5 (earth testers)
Power supply HR6 nickel-metal hydride battery x 4 or LR03 alkaline battery × 4
Number of measurements per battery charge (*2) 500 times (3-pole method, without Z3210 installed)
400 times (3-pole method, with Z3210 installed and using wireless communication)
Dimensions and weight Approx. 189 mm (7.44 in.)W × 148 mm (5.83 in.) H × 48 mm (1.89 in.) D, approx. 765 g (26.98 oz.) (including battery, protector)
Included accessories Auxiliary Earthing Rod L9840 (2 piece set) ×2, Measurement Cable L9845-31 ×1, Measurement Cable L9845-33 ×1, Measurement Cable L9845-52 ×1, Measurement Cable L9841 ×1, Test Lead L9787 ×1, Earth Nets Module L9846 ×2, Carrying Case C0208 ×1, Carrying Case C0209 ×1, Protector ×1, LR6 Alkaline battery ×4, Instruction manual ×1, Operating precautions ×1
*1:-25°C to 40°C, -13°F to 104°F (80% RH or less), 40°C to 45°C, 104°F to 113°F (60 % RH or less), 45°C to 50°C, 113°F to 122°F (50% RH or less), 50°C to 55°C, 122°F to 131°F (40% RH or less), 55°C to 60°C, 131°F to 140°F (30% RH or less), 60°C to 65°C, 140°F to 149°F (25% RH or less)
*2:NiMH battery x 4 (reference value at 23°C)

Ground resistance measurement: 4-pole method, 3-pole method, 2-pole method

Measurement principle Apply voltage and measure voltage and current (measures effective resistance by synchronous detection)
3 Ω 30 Ω 300 Ω 3000 Ω 30.00 kΩ 300.0 kΩ
Ground resistance range 0 to 3.000 Ω 0 to 30.00 Ω 30.0 Ω to 300.0 Ω 300 Ω to 3000 Ω 3.00 kΩ to 30.00 kΩ 30.0 kΩ to 300.0 kΩ
Accuracy — ±1.5% rdg. ±6 dgt ±1.5% rdg. ±4 dgt.
Allowable resistance of auxiliary grounding electrode 5 kΩ 50 kΩ 100 kΩ
Allowable ground potential 30 V RMS or 42.4 V peak

MEC function: 4-pole method with clamp sensor, 3-pole method with clamp sensor

Measurement principle Apply voltage and measure voltage and current (measures effective resistance by synchronous detection)
30 Ω 300 Ω 3000 Ω 30.00 kΩ
Ground resistance range 0.00 to 30.00 Ω 30.0 Ω to 300.0 Ω 300 Ω to 3000 Ω 3 kΩ to 30.00 kΩ
Accuracy ±5% rdg. ±6 dgt. ±5% rdg. ±3 dgt.

Ground resistance measurement: 2-clamp method

Measurement principle Apply voltage and measure voltage and current (measures effective resistance by synchronous detection)
20 Ω 200 Ω 500 Ω
Ground resistance range 0.02 Ω to 20.00 Ω 20.0 Ω to 200.0 Ω 200 Ω to 500 Ω
Accuracy ±7% rdg. ±3 dgt. — ±35% rdg.

Low-resistance measurement

Open-circuit voltage 4.0 V to 6.9 V
Measuring current 200 mA or more
30 Ω 300 Ω 3000 Ω
Measurement range 0.00 to 30.00 Ω 30.0 Ω to 300.0 Ω 300 Ω to 3000 Ω
Accuracy ±3 dgt. (0.00 to 0.19 Ω)
±2% rdg. ±2 dgt. (0.20 Ω to 10.00 Ω)
±2% rdg. ±2 dgt.