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Chauvin Arnoux CA6255 10A Micro-ohmmeter

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P01143221
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Chauvin Arnoux CA6255 10A Micro-ohmmeter - Kit

The Chauvin Arnoux CA6255 10A Micro-ohmmeter can be used to investigate the quality of connections via taking low-resistance measurements.

In order to take low-resistance measurements, this instrument utilises a four-wire measurement method and features seven resistance ranges, three of which have a 10A current. The CA6255 Micro-ohmmeter has an overall measurement range of 1 µΩ to 2500 Ω with a resolution of 0.1 µΩ, ensuring that this instrument can be used for a wide variety of applications.

Furthermore, adding to this product’s accuracy and reliability is its automatic compensation of stray voltages and temperature compensation function (this function also enables the user to take comparative results). Moreover, the Chauvin Arnoux CA6255 10A Micro-ohmmeter includes three measurement modes which make taking measurements of various components simple and reliable. These modes are:

  • Non-Inductive Mode: allows the user to take measurements on resistors with a time constant spanning milliseconds, for example, contacts, metallization
  • Inductive Mode: optimised for taking measurements on inductive components such as transformers and motors.
  • Non-Inductive Mode with Automatic Trigger: allows the user to take measurements on resistors without a time constant. This mode also facilitates repetitive measurements in production, improving the instrument’s (and therefore the user’s) efficiency.

These modes allow the user to tailor the micro-ohmmeter to his/her needs, whilst its multiple measurement tests ensure that this instrument can be used to obtain a comprehensive array of resistance readings.  The Chauvin Arnoux CA6255 10A Micro-ohmmeter can be used to:

  • Perform chassis-earth continuity tests
  • Test surface and metallization conditions
  • Determine the quality of contacts (switches, relays)
  • Measure the resistance of cables and windings
  • Check the heating of motors and transformers
  • Calculate resistance at a reference temperature (using the temperature compensation function and a PT 100Ω Probe – NOT included)

Each of the measurements obtained via these tests is displayed on the micro-ohmmeter’s large, backlit LCD display. Adding to this product’s convenience is its alarm function which allows the user to set upper and lower measurement parameters, the CA6255 will then issue an audible alarm if either of these values is breached.

Furthermore, its internal memory can be used to store up to 1500 measurements. The Chauvin Arnoux CA6255 10A Micro-ohmmeter stores these measurements in an ordered manner using two indices: OBJ (object) and TEST (test), ensuring that the user can easily interpret the recorded data.

This data can also be exported to a PC. The included MOT module of the DataView® software allows the user to recover and backup the measurement data recorded in the Chauvin Arnoux CA6255 10A Micro-ohmmeter.  This data can then be used to create reports or may be exported into an Excel document and/or pdf file. Finally, the MOT module of the DataView® software can be used to manage databases and configure the Chauvin Arnoux CA6255 10A Micro-ohmmeter.

This combination of measurement functions, features and modes, as well as its easy-to-use design makes the Chauvin Arnoux CA6255 10A Micro-ohmmeter suitable for a variety of applications, from measuring the resistance of cables to checking the heating of motors and transformers.

Chauvin Arnoux CA6255 10A Micro-ohmmeter Key Features

  • Micro-ohmmeter optimised for checking the quality of connections via low-resistance measurements
  • Four-wire measurement method
  • Seven resistance ranges three of which have a 10A current
  • Overall resistance measurement range: 1 µΩ to 2500 Ω
  • Resolution: 0.1 µΩ
  • Automatic compensation of stray voltages
  • Temperature compensation function
  • Non-Inductive Mode
  • Inductive Mode
  • Non-Inductive Mode with Automatic Trigger
  • Optimised current generator on inductive parts
  • Performs chassis-earth continuity tests
  • Tests surface and metallization conditions
  • Determines the quality of contacts (switches, relays)
  • Measures the resistance of cables and windings
  • Checks the heating of motors and transformers
  • Calculates resistance at a reference temperature (using the temperature compensation function and a PT 100Ω Probe – NOT included)
  • Automatic discharge after tests
  • Large, backlit LCD display
  • Programmable alarms with audible buzzer
  • Internal memory stores up to 1500 measurements sorted under the indices OBJ or TEST
  • Data can be exported to a PC
  • MOT module of DataView® software included
  • Software allows the user to recover and save measurement data stored on the instrument
  • Software can be used to generate reports and export data into Excel documents or pdf files
  • Software can be used to manage databases
  • Software can be used to configure the instrument
  • 50V CAT III
  • NiMH rechargeable battery

What’s Included?

  • Chauvin Arnoux CA6255 10A Micro-ohmmeter
  • 1 x Set of 3m Cables with Kelvin Clamps
  • 1 x 2m Euro Mains Power Lead
  • 1 x RS232 Communication Cable
  • 1 x MOT (Micro-ohmmeter Transfer) module of DataView® Software on CD-ROM
  • 9 x User Manuals in 5 Languages
  • 9 x Simplified User Manuals (1 per available language)

Chauvin Arnoux CA6255 10A Micro-ohmmeter Technical Specifications

4-Wire Measurement Method
Calibre 5.0000 mΩ 25.000 mΩ 250.00 mΩ 2500.0 mΩ 25.000 Ω 250.00 Ω 2500.0 Ω
Resolution 0.1 µΩ 1 µΩ 10 µΩ 0.1 mΩ 1 mΩ 10 mΩ 100 mΩ
1-Year Accuracy 0.05 % + 1 µΩ 0.05 % + 3 µΩ 0.05 % + 30 µΩ 0.05 % + 0,3 mΩ 0.05 % + 3 mΩ 0.05 % + 30 mΩ 0.05 % + 300 mΩ
Measurement Current  10 A 10 A 10 A 1 A 100 mA 10 mA 1 mA
Voltage Drop 50 mV 250 mV 2,500 mV 2,500 mV 2,500 mV 2,500 mV 2,500 mV
Measurement Modes Inductive, Non-Inductive, Non-Inductive with Automatic Trigger
Temperature Compensation By temperature sensor or manual
Data Storage  1500 Measurements
Communication output RS 232 link
Power Supply NiMH rechargeable battery
Dimensions / Weight 270 x 250 x 180 mm / approx. 4 kg
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Additional Information
SKU P01143221
Manufacturer Part Code P01143221C
Country of Origin France
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