Hioki FT6031-50 Ground Resistance Tester Earth

Description

The Hioki FT6031-50 is an industrial-grade, two-pole and three-pole ground resistance tester engineered for mission-critical electrical installations and substation maintenance. Designed with IP67 ingress protection, this instrument delivers high-fidelity earth resistance measurements even in adverse outdoor environments, allowing field washing after contamination from soil or mud. Featuring advanced transient noise suppression and expanded auxiliary electrode resistance tolerance, the FT6031-50 eliminates common verification errors encountered in high-resistivity soils. Integration of optional wireless data transmission provides automated test reporting directly to mobile devices and enterprise asset management systems.

TECHNICAL SPECIFICATIONS
Manufacturer: Hioki E.E. Corporation
Model Number: FT6031-50
Measurement Systems: Two-pole method (simplified), Three-pole method (precision)
Resistance Ranges: 20.00 Ω (0.00 Ω to 20.00 Ω), 200.0 Ω (0.0 Ω to 200.0 Ω), 2000 Ω (0 Ω to 2000 Ω)
Measurement Accuracy (20 Ω Range): ±1.5% rdg. ±8 dgt.
Measurement Accuracy (200 Ω / 2000 Ω Range): ±1.5% rdg. ±4 dgt.
Earth Voltage Measurement: 0 to 30.0 V rms (Accuracy: ±2.3% rdg. ±8 dgt.)
Operating Frequency: 128 Hz ±2 Hz
Auxiliary Earth Resistance Tolerance: 50 kΩ (200 Ω / 2000 Ω range), 5 kΩ (20 Ω range)
Display: Liquid Crystal Display (LCD) with backlight
Ingress Protection: IP67 (EN 60529 standard, submersible up to 1 m)
Safety Category: CAT II 300 V, CAT III 150 V, CAT IV 100 V
Power Supply: 4 × AA Alkaline Batteries (LR6)
Continuous Operating Time: Approximately 500 measurements (with display backlight off)
Operating Temperature: -25 °C to +65 °C
Operating Humidity: 80% RH or less (non-condensing)
Dimensions: 185 mm W × 111 mm H × 44 mm D
Weight: 570 g (including batteries and protector, excluding test leads)
Wireless Interface: Compatible with optional Wireless Adapter Z3210 (GENNECT Cross)

SYSTEM INTEGRATION & TECHNICAL COMPATIBILITY
The FT6031-50 supports full backward and forward Technical Compatibility with standard industrial earthing architectures, adhering to EN 61557-5 Class A to D standards. The unit integrates with standard auxiliary grounding rods and thin-core rewinding cable reels designed to prevent wire snarling. When paired with the Z3210 wireless adapter, measurement data bridges seamlessly into CAD drawings, PDF reports, and telemetry logging platforms via Bluetooth connectivity, reducing human transcription error during grid audits.

INDUSTRIAL APPLICATION PROFILE
Engineered specifically for utility-scale photovoltaic grounding arrays, telecom transmission towers, and industrial sub-distribution boards where soil resistivity varies widely. The FT6031-50 addresses the engineering challenge of high auxiliary electrode resistance found in rocky, sandy, or frozen terrain, eliminating the need to repeatedly wet auxiliary grounding stakes. Its full IP67 enclosure ensures zero downtime during rainy conditions or trench excavations where exposure to mud and standing water is inevitable.

PROCUREMENT & LOGISTICS
Condition: 100% Original Engineering authentic hardware direct from factory distribution
Lead Time: Typically dispatched within 3 to 5 business days subject to regional stock allocations
Traceability: Individual serial validation and standard manufacturer factory calibration documentation included

Key Attributes
Accuracy Class: ±1.5%
Current Range: 0 A ~ 10 A
Insulation Resistance: 2000 Ω
Measuring Range: 20 Ω to 2000 Ω)
Testing Voltage: 30V
Place of Origin: Japan
Model Number: FT6031-50
Brand Name: Hioki
Current Resolution: 1 mA
Dimensions: 19 * 12 * 5cm
Display Type: Digital Only
Operating Temperature: -10 to 50
Speed Range: 10 m/s
Time Resolution: 1 ms
Measurement system: Two-electrode method/three-electrode method
Measurement range: 2000 Ω
Accuracy: ±1.5%
Earth voltage: 0-----30.0 V rms
Dustproof and waterproof: IP65/IP67 (EN60529)

Packaging and Delivery
Selling Units: Single item
Single package size: 443X43X17 cm
Single gross weight: 2.300 kg