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CA6470N Earth & Resistivity Tester

CA6470N Earth & Resistivity Tester

Model: CA 6470N

Origin: Chauvin-Arnoux / France

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C.A 6470N, THE SOLUTION FOR POWER COMPANIES AND TRANSMISSION NETWORKS

4 in 1: earth resistance and coupling, continuity and resistivity

 
Ergonomic, comprehensive and accurate, this instrument offers direct access to all the measurements via a rotary switch on the front panel. Compact and designed for use in the field, the C.A 6470N is rugged and leakproof. To simplify the connections, the 4 terminals for connection to the stakes are colour-coded.
 
The C.A 6470N includes a large backlit LCD screen and a rechargeable battery with an external charger for connection to the mains supply or to a vehicle cigarette lighter.

It is equipped with a function for direct, ordered storage of the measurement results. A USB communication output allows the data to be exported onto a PC with the GroundTester Transfer software for further processing. 

Performance:
The C.A 6470N offers approximately 10 times greater accuracy due to its 4-pole measurement method. This method allows low earth resistance measurements which are essential to meet the requirements of power distribution and transmission companies.

The C.A 6470N guarantees reliable measurements:
  • Through the use of traditional stake-based methods
  • By self-diagnosis before starting each measurement in order to detect any faults liable to cause measurement errors (incorrect connections or presence of disturbance signals)
  • By offering extensive measurement ranges: 0.001 W to 100 kW
  • By adjustment of the measurement frequency between 41 Hz and 512 Hz
  • There are also high-level and expert calculation functions:
  • For earth coupling measurement, simply perform the 3 successive measurements required and leave the tester to calculate the coupling coefficient automatically
  • When measuring soil resistivity, programming of the distances used for the measurement makes it possible to calculater automatically by the Wenner or Schlumberger methods.

Technical Datasheet Earth & Resistivity Tester C.A 6470N

Model C.A 6470N
Reference P01126506
Manufacturer - Origin
Chauvin Arnoux - France
Specifications 
Earth resistance 3-pole method
Range 0.01 Ω to 99.99 kΩ
Resolution 0.01 Ω to 100 Ω
Test voltage 16 V or 32 Vrms rated voltage, selectable by user
Measurement frequency 41 Hz to 512 Hz, automatic or manual
Test current Up to 250 mA
Accuracy ±2 % of value + 1 count to 128 Hz
Coupling measurement Yes
Earth resistance 4P measurements
Range 0.001 Ω to 99.99 kΩ
Resolution 0.001 Ω to 100 Ω
Test voltage 16 V or 32 V selectable
Measurement frequency 41 Hz to 512 Hz automatic or manual
Test current Up to 250 mA
Accuracy ±2 % of value ±1 count
Soil resistivity measurement
Measurement method Wenner or Schlumberger method with automatic calculation of results and display in Ω-meter
Range (automatic selection) 0.01 to 99.99 kΩ; ρ max. 999 kΩm
Resolution 0.01 Ω to 100 Ω
Test voltage 16 V or 32 V, selectable
Measurement frequency 41 Hz to 128 Hz, selectable
External voltage measurement 
Range (automatic selection) 0.1 to 65.0 VAC/DC – DC to 450 Hz
Accuracy ±2 % of value + 1 count
Resistance measurement/ continuity and bounding 
Type of measurement 2 wire or 4 wire method, selectable by user
Range (automatic selection) 2 wire: 0.12 Ω  to 99.9 kΩ – 4 wire: 0.02 Ω to 99.99 kΩ
Accuracy ±2 % of value + 2 counts
Test voltage 16 VDC (polarity +, - or auto)
Test current > 200 mA max. for R < 20 Ω
Data storage
Storage capacity 512 test results
Communication Optically-isolated USB
Other features 
Power supply rechargeable NiMH battery
Battery-charger power supply External power supply with 18 VDC / 1.9 A output or 12 VDC vehicle power supply
Electrical safety 50 V CAT IV, IEC 61010 & IEC 61557
Protection IP53
Dimensions / Weight 272 x 250 x 128 mm / 3 kg

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