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MMR-640

Low Resistance Meter 型號:MMR-640
The MMR-640 meter is designed to measure very low resistance of resistive objects. This product is made to be used in
power plants, railways and maintenance companies to measure resistance of:
  • The MMR-640 meter is designed to measure very low resistance of resistive objects. This product is made to be used in
    power plants, railways and maintenance companies to measure resistance of:

    • breakers, contacts,
    • earthing conductors, equipotential bondings,
    • welded and soldered connections,
    • bolted connections,
    • and other resistive objects.

    MMR-640 can be also utilized on production lines (eg. at the final production control stage).

    Product features

    • measurement of very low resistance
    • high immunity to disturbances
    • easy operation
    • big touchscreen
    • automatic measurement mode
    • autoranging

    Low resistance within range

    Product features

    • measurement of very low resistance
    • high immunity to disturbances
    • easy operation
    • big touchscreen
    • automatic measurement mode
    • autoranging

    Application

    The MMR-640 meter is designed to measure very low resistance of resistive objects. This product is made to be used in power plants, railways and maintenance companies to measure resistance of:

    • breakers, contacts,
    • earthing conductors, equipotential bondings,
    • welded and soldered connections,
    • bolted connections,
    • and other resistive objects. MMR-640 can be also utilized on production lines (eg. at the final production control stage).

    Device capabilities

    The MMR-640 meter provides an innovative combination of a high-performance measuring device with a modern user interface and advanced data management system.

    Durable and practical casing

    In response to the customers needs the MMR-640 has been designed to operate in difficult environmental conditions. A unique casing with the IP67 ingress protection rating ensures that the device is both waterproof and dustproof.

    Easy readout

    The MMR-640 meter is equipped with a readable colour touchscreen that, due to its 800 x 480 pixel resolution, provides both high comfort of interacting with the interface and high readability of the measurement results.

  • Measurement of resistance

    Range Resolution Measurement current Accuracy
    0...999.9 μΩ 0.1 μΩ 10 A ±(0.25% w.m. + 2 digts)
    1.0000...1.9999 mΩ 0.0001 mΩ
    2.000...19.999 mΩ 0.001 mΩ
    20.00...199.99 mΩ 0.01 mΩ 10 A / 1 A
    200.0...999.9 mΩ 0,1 mΩ 1 A / 0.1 A
    1.0000...1.9999 Ω 0.0001 Ω
    2.000...19.999 Ω 0.001 Ω 0.1 A
    20.00...199.99 Ω 0.01 Ω 10 mA
    200.0...1999.9 Ω 0.1 Ω 1 mA