Chauvin C.A 6255 Microhmmeter

Chauvin Arnoux

Chauvin Arnoux authorised distributor and calibration house.

The C.A 6255 microhmmeter is a top-quality portable digital measuring instrument designed to measure very small resistances.

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P01143221

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£ 3,027.36 rrp £ 3,604.00

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(£ 3,632.83 inc VAT.)

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CHAUVIN ARNOUX PROMOTION

BUY A C.A 6255 10A MICROHMMETER AND WE WILL GIVE YOU A COPY OF CHAUVINS DATAVIEW ANALYSIS SOFTWARE FOR FREE! DATAVIEW RETAILS AT £495 WHEN SOLD SEPARATELY. OFFER AVAILABLE UNTIL 31.08.2018.

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An easy-to-use, high-performance instrument, the Chauvin C.A 6255 10A micro-ohmmeter tests the quality of connections with precision (resolution of 0.1 µΩ) through the use of low resistance measurements. Housed in a rugged construction-site type case with cover, the C.A 6250 is a self-contained instrument powered by a rechargeable battery with built-in charger.

It provides 7 measurement ranges, from 5 mΩ to 2,500 Ω, that can be accessed and selected directly on the front-panel rotary switch. It uses the 4-wire measurement method, with automatic compensation of spurious voltages.

This device is compliant with safety standard IEC 61010-2-030 and the leads are compliant with IEC 61010-031, for voltages up to 50 V with respect to earth in category III.

3 Measurement Modes

NON-INDUCTIVE MODE - for measurements on resistors with a time constant of a few ms (contacts, metallisation, etc.).
INDUCTIVE MODE - for measurements on inductive components (transformers, motors, etc.).
NON-INDUCTIVE MODE - with AUTOMATIC trigger: for measurements on resistors without a time constant: for repetitive measurements in production, helping to gain considerable time.

TEMPERATURE COMPENSATION

The value of a resistance varies according to the temperature. For reliable supervision allowing the comparison of measurements which are comparable because they were made in the same conditions, it is a good idea always to express a measurement in terms of a given reference temperature. You can perform this calculation by simply pressing a key.

FEATURES

Automatic detection of the presence of an external AC or DC voltage on the terminals
3 different measurement modes depending on the nature of the resistance to be measured,
Protection of the operator when a resistance having a large inductive component (motor, transformer, etc.) is measured.
Measurement up to 2,500 Ω, resolution 0.1 μΩ.
Programming of alarm thresholds.
Measurement temperature using a Pt100 jack on the front panel,
Function for automatic calculation of the resistance at a reference temperature
Extended memory making it possible to store approximately 1,500 measurements,
Indication of the level of memory use.
Indication of battery charge condition.
Automatic switching of the backlighting to standby to save battery power,
RS 232 interface to print the results on a serial printer or export them to a PC.

Chauvin C.A 6255 Specifications
 
4-wire measurement with compensation of spurious voltages.
RANGE RESOLUTION ACCURACY OVER 1 YEAR
MEASURING CURRENT
VOLTAGE DROP
5.000 mΩ
0.1 µΩ 0.05% + 1.0 µΩ 10 A 50 mV
25.000 mΩ 1 µΩ 0.05% + 3 µΩ 10 A 250 mV
250.00 mΩ 10 µΩ 0.05% + 30 µΩ 10 A 2500 mV
2500.0 mΩ 0.1 mΩ 0.05% + 0.3 mΩ 1 A 2500 mV
25.000 Ω 1 mΩ 0.05% + 3 mΩ 100 mA 2500 mV
250.00 Ω 10 mΩ 0.05% + 30 mΩ 10 mA 2500 mV
2500.0 Ω 100 mΩ 0.05% + 300 mΩ 1 mA 2500 mV
Measurement modes Inductive, non-inductive, non-inductive with automatic trigger.
Temperature compensation By temperature sensor or manual.
Data storage 1,500 measurements.
Operating temperature 0°C to +50°C.
Electrical safety EN 61010-1.
Max. voltage relative to earth: 50 V.
Mechanical protections
IP53 = housing open.
IP64 = housing closed.
Dimensions 270 x 250 x 180mm.
Weight approx. 4 kg.
Chauvin C.A6255 warranty Two years.

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Chauvin C.A 6255 Microhmmeter