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Auto-ranging measurement capability
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4-Point earth resistance measurement
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3-Point earth resistance measurement
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Soil resistivity measurement (Wenner or Schlumberger method)
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2-Clamp ground measurement with optional probes
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DC resistance/Bond testing with 2-pole and 4-pole Kelvin sensing
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Selective 4-pole measurement with optional probes
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Current measurement capability with optional probes
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External voltage measurement
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512-measurement memory storage
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USB 2.0 communication with optical isolation
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DataView software included
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Rechargeable 9.6V battery with 1500-test typical life
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IP 53 ingress protection
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CAT IV 50V safety rated
Ground Resistance Tester Model 6471
$0.00
The AEMC INSTRUMENTS Model 6471 is a portable digital ground resistance tester designed for measuring ground resistance, soil resistivity, and bond connections in electrical safety applications.
In stock
The Digital Ground Resistance Tester Model 6471 is a portable measurement instrument designed to measure ground resistance with 2 clamps (sold separately), no auxiliary rods required. Features include bond/connection resistance testing (2-pole and 4-pole Kelvin sensing), ground resistance measurement (3-pole or 4-pole), ground coupling resistance, selective ground resistance, and soil resistivity measurement using Wenner or Schlumberger methods. The meter features auto-ranging from 0.01 to 99.99kΩ, automatically optimizing measurement range, test frequency and test current. Includes carrying bag, power adapter, optical USB cable, rechargeable NiMH battery, and DataView software.
Description
Ground Resistance Tester Model 6471
The Digital Ground Resistance Tester Model 6471 is a portable measurement instrument designed to measure ground resistance with 2 clamps (sold separately), no auxiliary rods required. Features include bond/connection resistance testing (2-pole and 4-pole Kelvin sensing), ground resistance measurement (3-pole or 4-pole), ground coupling resistance, selective ground resistance, and soil resistivity measurement using Wenner or Schlumberger methods. The meter features auto-ranging from 0.01 to 99.99kΩ, automatically optimizing measurement range, test frequency and test current. Includes carrying bag, power adapter, optical USB cable, rechargeable NiMH battery, and DataView software.
Features
Specifications
- 4-Point Earth Resistance Measurement Range (Auto-Ranging)
- 0.01 Ω to 99.99 kΩ
- 4-Point Earth Resistance Measurement Resolution
- (0.001 to 10) Ω
- 4-Point Earth Resistance Measurement Accuracy
- ±(2 % Reading +1 ct)
- 4-Point Earth Resistance Measurement Test Voltage
- (16 or 32) V; (41 to 513) Hz
- 4-Point Earth Resistance Measurement Test Current
- Up to 250 mA
- 3-Point Earth Resistance Measurement Range (Auto-Ranging)
- 0.09 Ω to 99.9 kΩ
- 3-Point Earth Resistance Measurement Resolution
- (0.01 to 100) Ω
- 3-Point Earth Resistance Measurement Accuracy
- ±(2 % Reading +1 ct)
- 3-Point Earth Resistance Measurement Test Voltage
- (16 or 32) V; (41 to 513) Hz
- 3-Point Earth Resistance Measurement Test Current
- Up to 250 mA
- Soil Resistivity 4-Point Measurement Test method
- Wenner or Schlumberger selectable with automatic calculation
- Soil Resistivity 4-Point Measurement Range (Auto-Ranging)
- 0.01 Ω to 99.9 kΩ; ρ max: 999 kΩm
- Soil Resistivity 4-Point Measurement Resolution
- (0.01 to 100) Ω
- Soil Resistivity 4-Point Measurement Accuracy (Typical)
- ±(2 % Reading +1 ct)
- Soil Resistivity 4-Point Measurement Test Voltage
- (16 or 32) V; (41 to 128) Hz selectable
- 2 Clamp Ground Measurement Range (Auto-Ranging)
- (0.1 to 500) Ω
- 2 Clamp Ground Measurement Resolution
- (0.01 to 1) Ω
- 2 Clamp Ground Measurement Frequency
- Auto: 1611 Hz; Manual: 128 Hz-1367 Hz-1611 Hz-1758 Hz
- DC Resistance Measurement 2-Pole Range (Auto-Ranging)
- 0.12 Ω to 99.9 kΩ
- DC Resistance Measurement 4-Pole Range (Auto-Ranging)
- 0.020 Ω to 99.99 kΩ
- DC Resistance Measurement 2-Pole Resolution
- (0.01 to 100) Ω
- DC Resistance Measurement 4-Pole Resolution
- (0.001 to 10) Ω
- DC Resistance Measurement Accuracy (Typical)
- ±(2 % Reading +2 ct)
- DC Resistance Measurement Test Voltage
- 16 V DC; (+, – or auto polarity)
- DC Resistance Measurement Test Current
- Up to 250 mA
- Current Measurement Range
- 0.01 mA to 40 A, (16 to 400) Hz
- Current Measurement Accuracy (Typical)
- ±(3 % Reading +2 ct) typical
- External Voltage Measurement Range
- (0.1 to 65) V AC/DC – DC, (15 to 440) Hz
- External Voltage Measurement Accuracy
- ±(2 % Reading +1 ct)
- Memory
- 512 measurements (64 KB)
- Communication
- USB 2.0 optically isolated, DataView software included
- Power Source
- 9.6 V rechargeable battery pack with external 110/220 V charger
- Battery Life
- 1500 tests typical in automatic mode
- Dimensions
- (10.7 x 9.80 x 5.12) in (272 x 248 x 130) mm
- Weight
- 7 lb (3.2 kg) with battery
- Case
- UL V0 Polypropylene
- Operating Temperature
- (32 to 113) °F (0 to +5) °C
- Storage Temperature
- (-40 to 158) °F (-40 to 70) °C
- Relative Humidity
- Up to 90 % RH
- Ingress Protection (IP)
- IP 53 with cover closed
- EMC
- EN 61326-1
- Safety Compliance
- IEC 61010-1, EN 61557, 50 V CAT IV, Pollution Degree 2
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