Product presentation

Earthtester offering soil resistivity, earth coupling and continuity measurements

Ergonomic,comprehensive and accurate, the C.A 6470N offers direct access to all themeasurements on the front panel by means of a rotary switch.

Compact because it has been designed for on-site use, the C.A 6470N is ruggedand leakproof.

To simplify connection, the 4 terminals for connecting the stakes arecolour-coded to help identify them.

The C.A 6470N includes a large backlit LCD screen and a battery which isrechargeable with an external charger connected to the mains or to a vehiclecigarette lighter. It is also equipped with a function for direct, orderedstorage of the measurement results.

A USB communication output can be used to export the data onto a PC in order toprocess them with the Ground Tester Transfer software.

Performance

The C.A 6470N offers approximately 10 times greater accuracy thanks to its four-pole earth measurements. This method allows measurements of low earth resistance values, which are essential to meet the requirements of power distribution and transmission companies (EDF and RTE in France)

The C.A 6470N guarantees the reliability of measurements carried out by:

  • traditional stake-based methods
  • self-diagnosis when each measurement starts, so that any faults liable to affect the measurements (bad connections or presence of disturbance signals) are indicated
  • extensive measurement ranges: 0.001 Ω to 100 kΩ
  • adjustment of the measurement frequency between 41 Hz and 512 Hz (3P & 4P measurements)


The C.A 6470N is equipped with advanced expert calculation functions:

  • for earth coupling measurements, simply perform the 3 succesive measurements required and the tester then calculates the coupling coefficient automatically
  • for soil resistivity measurements, simply program the distances used for the measurement and the instrument automatically calculates r using the Wenner or Schlumberger methods.

Other specifications:

  • Power supply: NiMh rechargeable battery with external charger
  • IP53 protection
  • Compliant with IEC 61557 -1 -4 -5
  • Safety: IEC 61010 50V CAT IV
  • Dimensions: 272 x 250 x 128 mm, 3 kg
Software

Software

USB communication mode

USB communication mode

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Features

Method 3P

Range (automatic selection)

0.01 Ω to 99.9 kΩ

Resolution

0.01 to 100 Ω

Test voltage

16 V or 32 V selectable

Measurement frequency

From 41 to 513 Hz automatic or manual

Test current

Up to 250 mA

Accuracy

± 2% of the value ± 1 pt

Method 4P

Range

0.001 Ω to 99.99 kΩ

Resolution

0.001 to 10 Ω

Test voltage

16 V or 32 V

Measurement frequency

From 41 to 513 Hz automatic or manual

Test current

Up to 250 mA

Measurement accuracy

± 2% of the value ± 1 pt

Soil resistivity measurement

Measurement method

Wenner or Schlumberger method with automatic result calculation and display in Ω-meter

Range (automatic selection)

0.01 Ω to 99.99 kΩ (r max. 999 kΩm)

Resolution

0.01 to 100 Ω

Test voltage

16 or 32 V, selectable

Measurement frequency

From 41 to 128 Hz selectable

Measurements with 2 clamps

Range

Resolution

Measurement frequency

External voltage measurement

Range (automatic selection)

0.1 to 65.0 Vac/dc - DC and 15-440 Hz

Accuracy

± 2% of the value ± 1 pt

Resistance / Continuity measurement - (earth connection test)

Measurement type

2P or 4P method, selectable

Range (automatic selection)

2P: 0.01 Ω to 99.9 kΩ 4P: 0.001 Ω to 99.99 kΩ

Accuracy

± 2% of the value ± 2 pts

Test voltage

16 Vdc (polarity +, −; or auto)

Test current

> 200 mA for R < 20 Ω

Memory

Memory capacity

512 test results

Communication

USB with optical isolation

Power supply

Rechargeable battery

Charger power supply

External power supply with output 18 Vdc / 1.5 A or vehicle power supply 12 Vdc

Dimensions / Weight

272 x 250 x 128 mm / 3.2 kg

Electrical safety

50 V CAT IV

Documentation and support

Do you have a question about using or installing your measurement equipment? Our support team is available to provide you with quick and effective solutions. Contact support for personalized assistance.


Contact support

Do you have a question about using or installing your measurement equipment? Our support team is available to provide you with quick and effective solutions. Contact support for personalized assistance.


Contact support

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Do you have a question about using or installing your measurement equipment? Our support team is available to provide you with quick and effective solutions. Contact support for personalized assistance.


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The GTT (Ground Tester Transfer) software allows you to control the CA 6470N, CA 6471 and CA 6472/74 earth testers.

GTT is a tool that enables you to:

  • Configure the devices,
  • Download and view data stored in memory,
  • Take instant readings,
  • Export this measurement data to DataView (*.dvb files) or to an Excel spreadsheet (*.csv or *.xls files). Please note: DataView is not supplied with this version of GTT.

The device’s firmware can be updated via the RS-232 optical link, using the HyperTerminal program (not supplied by Chauvin Arnoux).

See the file “read_me_first_fr_gb.pdf”.

Do you have a question about using or installing your measurement equipment? Our support team is available to provide you with quick and effective solutions. Contact support for personalized assistance.


Contact support

References and accessories

To fully meet your expectations, a range of accessories is available that is compatible with your equipment. Feel free to add them to your quote request to obtain a complete and tailored solution.

CA 6470N Earth and Resistivity Controller

CA 6470N Earth and Resistivity Controller

P01126506

Earth, soil resistivity, coupling and continuity tester. USB. IP53. Supplied with mains adapter/charger

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3P earth kit, 50m, poles, coils and mallet

P01102021

Earthing kit comprising a carry bag with 2 T-pegs, 1 reel of 50 m red cable, 1 reel of 50 m blue cable, 1 reel of 10 m green cable, 1 mallet, 5 D4 mm terminal/stick adapters.

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3P earth kit, 100m, rods, coils and mallet

P01102022

3P Earth kit (100M) including standard carry bag, 3 reels of cable (red, blue, green), with 2 stakes, 1 mallet and lug/fork adapters.

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4P(100M) earth/resistivity kit

P01102024

4P Earth/resistivity kit (100M) comprising a prestige carry bag, 5 reels of cable (red, blue, black, 2 green), with 4 stakes, 1 mallet and fork-lug adapters.

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Earth/resistivity kit 4P(150M)

P01102025

4P Earth/resistivity kit (150M) including a prestige carry bag, 5 reels of cable (red, blue, black, 2 green), with 4 stakes, 1 mallet and thimble-fork adapters.

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RS232 optical link cable - CA 6470N, CA 6471

P01295252

Optical to RS 232 cable - for CA 6470N and CA 6471 - also available in optical to USB version (see item code HX0056-Z)

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Mains cable GB for CA 6470N, CA 6471, CA 6472

P01295253

Standard GB mains cable for powering battery chargers for CA 6470N, CA 6471 and CA 6472

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Spare fuse(s)

AT0094

Spare fuse 5x20, breaking current 630mA,250V 1.5kA (set of 10) for multimeter

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Mains adapter 50/60Hz-CA 6470N/6471/6472

P01102035

Mains adapter 50/60Hz + 2-pole mains cable, 18V 1.9A for CA 6470N, CA 6471, CA 6472.

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9.6V 3.5Ah NiMh rechargeable battery - CA 6462

P01296021

Rechargeable 9.6V 3.5Ah NiMH battery for CA 6462 earth and resistivity controller

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Optical-USB serial cable

HX0056-Z

Opto-isolated USB connection cable for CA 647x, CA 655x and Handscope, Windows compatible driver

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Continuity accessory kit for CA 647x

P01102037

Accessory kit for CA 647x continuity measurement, comprising 4 alligator clips (red, black, blue, green), 2 test probes (red, black) and 4 banana leads (red, black, blue, green)

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DataView Software

P01102095

PC software for configuring, saving and processing data, editing reports, etc. for Chauvin Arnoux measuring instruments

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90 cm continuity rod, protection max. 1 kV

P01102084A

Continuity probe / insulated female socket D4 mm / length 90 cm (3 x 30 cm) / protection 1000V max.

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DC/DC adapter with vehicle cable

P01102036B

DC/DC adaptor with 1.20m cable for recharging CA 6470N, CA 6471 and CA 6472 earth and resistivity testers from a vehicle cigarette lighter socket.

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50m resistivity supplement kit

P01102040

Accessory kit for measuring earth and soil resistivity, 50m (red)/50m (blue)/33m (black)/33m (green) coils, 4 earth rods. 1 carry bag.

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