Home / Product / Earth Resistance Tester / Clamp Earth Tester(Long Jaw) / EM2000 Clamp Earth Tester
    EM2000 Clamp Earth Tester
  • Product Series : Clamp Earth Tester(Long Jaw)

    • Main Features

      Earth resistance measurement, Loop resistance measurement, Grounding fault judgement
      Clamp Jaw Size: 55mm × 32mm
      Resistance Range: 0.010Ω ~ 1000Ω
      Data Storage: 99 Groups
      Alarm Function: Customs setting alarm threshold
      Data Hold: HOLD button
      Protection Level: Double insulation
      Measurement Mode: Non-contact type
      Measurement Range: Auto-ranging
      Tester Structure: Clamp-on type
      Self-calibration Method: Calibration with test ring

    Product Introduction

    EM2000 Clamp Earth Resistance Tester, also known as clamp type earth resistance tester, earth resistance tester, loop resistance tester, single clamp earth resistance tester, which is used for measurement of earth resistance, loop resistance and grounding fault judgement.When measuring grounded systems with loops,  it does not require disconnecting the ground down-conductor and using auxiliary ground electrodes, which is safe, fast and convenient to use. The clamp earth resistance tester is widely used in earth resistance  and loop resistance measurement in power, telecommunications, meteorology, oil fields, construction and industrial electrical equipment.The long clamp is particularly suitable for applications with flat steel grounding.
    The EM2000 can measure ground faults that cannot be detected by traditional methods and can be applied in situations that traditional methods are unable to measure, because the clamp earth resistance tester is measuring the comprehensive value of the earthing electrode resistance and the earthing lead resistance.
    ETCRMETER is a high-end brand of ETCR. All products are manufactured by ETCR, which also provides technical support and after-sales service.


    Product Features
    1. Non-contact measurement is safe and fast. When measuring the loop grounding system, it does not require disconnecting the ground down-conductor and using auxiliary ground electrodes, which is saving time and efficient.
    2. The clamp earth resistance tester can measure ground faults that cannot be measured by traditional methods, and can be applied in situations that traditional methods are unable to measure.
    3. With data hold function, storage function, alarm function.

    EM2000 (7).jpg EM2000 (8).jpg

    Technical Parameters

    1.Measurement Range & Accuracy

    Measurement ModeMeasure RangeResolutionAccuracy
    Earth Resistance0.010Ω ~ 0.099Ω0.001Ω± (1%rdg+0.01Ω)
    0.10Ω ~ 0.99Ω0.01Ω± (1 %rdg+0.01Ω)
    1.0Ω ~ 49.9Ω0.1Ω± (1%rdg+0.1Ω)
    50.0Ω ~ 99.5Ω0.5Ω± (1.5%rdg+0.5Ω)
    100Ω ~ 199Ω± (2%rdg+1Ω)
    200Ω ~ 395Ω± (5%rdg+5Ω)
    400Ω ~ 590Ω10Ω± (10%rdg+10Ω)
    600Ω ~ 1000Ω20Ω± (20%rdg+20Ω)

    2.Technical Specification

    Specification NameParameters Description
    FunctionsEarth resistance measurement, loop resistance measurement, grounding fault judgement
    Power Supply6V DC (4PCS 5 alkaline dry batteries)
    LCD Displayer4-digit LCD digital display, 47mm × 28.5mm
    Earth Resistance Range0.010Ω ~ 1000Ω
    Max. Resolution 0.001Ω
    Protection LevelDouble insulation
    Structure FeatureClamp-on type
    ShiftAutomatically
    Alarm Threshold Setting Resistance: 1Ω ~ 199Ω
    Single Measurement Time0.5s
    Measurement Frequency>1kHz
    Data Storage99 groups
    Clamp Jaw (CT) Size55mm × 32mm
    Tester Dimension275mm × 100mm × 56mm
    WeightApprox. 950g (include battery)
    Working Temperature & Humidity- 10℃ ~ 55℃; 10%RH ~ 90%RH

    Model Comparison

    Product Picture

    ModelCT SizeResistance RangeCurrent RangeOthers

    EM2000 (1).jpg

    EM200055 x 32mm0.010Ω ~ 1000Ω----

    EM2000A (1).png

    EM2000A55 x 32mm0.010Ω ~ 500Ω----

    EM2000C (1).jpg

    EM2000C55 x 32mm0.010Ω ~ 1200Ω0.00mA ~ 30A--

    EM2000+ (1).png

    EM2000+65 x 32mm0.010Ω ~ 1200Ω--Bluetooth Communication

    EM2000A+ (1).jpg

    EM2000A+65 x 32mm0.010Ω ~ 200Ω--Bluetooth Communication

    EM2000C+ (1).png

    EM2000C+65 x 32mm0.010Ω ~ 1200Ω0.00mA ~ 30.0ABluetooth Communication

    EM2000B+ (1).jpg

    EM2000B+65 x 32mm0.010Ω ~ 1200Ω--Bluetooth Communication

    EM2200 (1).png

    EM220065 x 32mm0.010Ω ~ 1500Ω0.00mA ~ 40ALithium Battery; Bluetooth / USB Communication

    Product Video

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    • Contact Us

    +86 13802922567 (Johnson Zhang)

    [email protected]

    10th Floor, Block 5, Liandong Intelligent Manufacture Park, No. 105, Shilong North Road, Nanhai District, Foshan City, Guangdong, China

    All Rights Reserved © Guangdong ETCR Electronic Technology CO.,Ltd 2025
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