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Specifications:
- 3P Method:
+ Range: 0.01Ω to 99.99 kΩ
+ Resolution: 0.01 to 100 Ω
+ Measurement frequency: 41 to 513 Hz
+ Coupling measurement: yes
- 4P Method:
+ Range: 0.001 Ω to 99.99 kΩ
+ Resolution: 0.001 to 100 Ω
- Resistivity:
+ Test method: Wenner and Schlumberger with automatic calculation
+ Range: 0.01 to 99.9 kΩ
+ Measurement frequency: 41 to 128 Hz
- DC resistance measurement:
+ Type of measurement: 2 or 4 wires
+ Range: 0.12 Ω to 99.9 kΩ
+ Measurement current: >200mA DC
- Storage: 512 memory locations
- Communication: Optically-isolated USB
- Dimensions / weight: 272 x 250 x 128 mm / 3 kg / 3.2 kg
- Safety: 50V CAT IV, IEC 61010 & IEC 61557
State at delivery: delivered with 1 external mains charger, data export software + optical / USB communication lead, 5 operating manuals (one per language) on CD-ROM, 5 simplified operating manuals, each in a different language, 5 descriptive labels, each in a different language
Accessories (optional):
- Dataview report generation software(P01102095)
- Adapter for recharging on vehicle cigarette lighter (P01102036)
- Optical / RS communication cable (P01295252)
- GB mains power cable (P01295253)
- Set of 10 fuses - F 0.63 A – 250 V – 5x20 mm – 1.5 kA (AT0094)
- Adapter for charging battery from the mains (P01102035)
- Battery pack (P01296021)
- Optical / USB communication cable (HX0056-Z)
Earth tester offering soil resistivity, earth coupling and continuity measurements
Ergonomic, comprehensive and accurate, the C.A 6470N offers direct access to all the measurements 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 rugged and leakproof.
To simplify connection, the 4 terminals for connecting the stakes are colour-coded to help identify them.
The C.A 6470N includes a large backlit LCD screen and a battery which is rechargeable with an external charger connected to the mains or to a vehicle cigarette lighter. It is also equipped with a function for direct, ordered storage of the measurement results.
A USB communication output can be used to export the data onto a PC in order to process 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
