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Chauvin Arnoux CA6255 Micro Ohmmeter

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  • Measure resistance from 0 to 2500Ω with 0.1µΩ max resolution
  • Multiple ranges with adjustable test current from 10A to 1mA
  • Saves up to 1500 readings in internal memory under two handy indices

rrp £3,550.00

now £3,027.36 (Ex. VAT) £3,632.83 (Inc. VAT)

rrp £3,550.00

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  • Description

    Chauvin Arnoux CA6255 Micro Ohmmeter

    SPECIAL OFFER: The Chauvin Arnoux CA6255 Micro Ohmmeter is currently available with a free copy of Chauvin Arnoux DataView Software!.

    The Chauvin Arnoux CA6255 Micro Ohmmeter measures electrical resistance up to 2500Ω with a resolution of up to 0.1µΩ thanks to its four-wire measurement method. The test current is adjustable between 10A and 1mA, thus allowing testing across seven ranges with varying degrees of precision, as required by the user. This makes it ideal for evaluating all manner of electrical connections and joints and accuracy of ±0.05% + 1µΩ means that the tester provides accurate, high-precision results every time.

    Temperature compensation is an important function of the Chauvin Arnoux CA6255. A Pt100 probe measures ambient temperature and therefore automatically compensates for different conditions as well as for stray voltages. Three measurement modes (non-inductive, inductive, non-inductive with auto trigger) tailor measurement to specific functions for example for resistors with a time constant, inductive components, resistors without a time constant and production components. These capabilities have applications for testing windings, surface finish and metallisation processes, chassis-earth continuity, contact quality, cable resistance, motors and transformers, and mechanical linkage.

    The Chauvin Arnoux CA6255 has a large, backlit LCD display capable of showing a resistance reading, ambient temperature and assorted other information simultaneously. The user can select the measurement mode and range using the simple dial and push-button interface and it is also possible to set audible alarms for both a high and a low threshold. The ohmmeter’s large internal memory sorts readings under both object (OBJ) and test (TEST) indices to create an ordered database. It is possible to download files to a PC using a supplied RS-232 cable and then perform advanced analysis and reporting with optional Chauvin Arnoux DataView software.

    The Chauvin Arnoux CA6255 comes supplied with a set of 3m test cables with Kelvin clamps, a mains power lead, an instruction manual, a quick guide, micro ohmmeter transfer software and an RS-232 communication cable. The micro ohmmeter is rated as Cat III 50V and has an IP53 ingress protection rating.

    Chauvin Arnoux: P01143221

    Key Features

    • Max reading: 2500Ω
    • Max resolution: 0.1µΩ
    • Ranges: 5mΩ, 25mΩ, 250mΩ, 2500mΩ, 25Ω, 250Ω, 2500Ω
    • Temperature and stray voltage compensation
    • Three measurement modes
    • Multiple applications for testing connections
    • Save up to 1500 readings
    • Connects to PC via RS-232
    • Cat III 50V, IP53
  • Specification

    • Measurement method: 4 wire
    • Ranges: 5mΩ, 25mΩ, 250mΩ, 2500mΩ, 25Ω, 250Ω, 2500Ω
    • Resolution: 0.1 µΩ, 1 µΩ, 10 µΩ, 0.1 mΩ, 1 mΩ, 10 mΩ, 100 mΩ
    • 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
    • Test 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: Automatic or manual
    • Data storage: 1500 measurements
    • Communication output: RS 232 link
    • Power supply: NiMH rechargeable battery
    • Dimensions: 270 x 250 x 180mm
    • Weight: Approx 4kg
  • Supplied Accessories

    • Chauvin Arnoux CA6255 Micro Ohmmeter
    • 1 set of cables 3 m long terminated by Kelvin clamps
    • 1 Euro mains power lead 2 m long
    • 9 user’s manuals (1 per language)
    • 9 simplified user’s manuals (1 per language)
    • MOT (Micro-Ohmmeter Transfer) data transfer software on CD-ROM
    • 1 x RS232 communication cable
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