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Multimode Earthing Ground Resistance Testing Equipment 128Hz Ultraportable

    Buy cheap Multimode Earthing Ground Resistance Testing Equipment 128Hz Ultraportable from wholesalers
     
    Buy cheap Multimode Earthing Ground Resistance Testing Equipment 128Hz Ultraportable from wholesalers
    • Buy cheap Multimode Earthing Ground Resistance Testing Equipment 128Hz Ultraportable from wholesalers

    Multimode Earthing Ground Resistance Testing Equipment 128Hz Ultraportable

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    Brand Name : HAOMAI
    Model Number : GRT-200
    Certification : ISO9001:2015
    Payment Terms : T/T
    Supply Ability : 400 sets per month
    Delivery Time : 5-10 working days
    Price : negotiation
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    Multimode Earthing Ground Resistance Testing Equipment 128Hz Ultraportable

    Multifunctional Ground Resistance Tester


    Model: GRT-200

    Multifunctional Ground Resistance Tester GRT-200 is designed to measure ground resistance by four-wire method, three-wire method or two-wire method, as well as measure soil resistivity.


    Technical Data

    Functionmeasure ground resistance by four-wire, three-wire or two-wire method, measure soil resistivity, measure ground voltage and AC voltage
    Ambient temperature and humidity23℃±5℃, 75%rh below
    Power supplyDC 6V/4.5Ah lead-acid battery, last more than 100 hours for standby
    Interference voltage<20V (should be avoided)
    Interference current<2A (should be avoided)
    Electrode spacing during R measurementa>5d
    Electrode spacing during ρ measurementa>20h
    Auxiliary ground impedancereference condition <100Ω, working condition <5kΩ
    Measurement RangeGround resistance: 0.00Ω~30.00kΩ
    Soil resistivity: 0.00Ωm~9999kΩm
    Ground voltage: 0.00V~100.0V
    Measurement modePrecise four-wire or three-wire measurement, simple two-wire measurement
    Measurement method

    Ground resistance: rated current and pole changing method

    Soil resistivity: four-pole method

    Ground voltage: average rectification(S-ES between interface)

    Test frequency128Hz
    Short circuit test current> 20mA (sine wave)
    Open circuit test voltageAC 28V max.
    Electrode spacing range1m~100m can be set
    Gear changeGround resistance: fully automatic shifting 0.00Ω~30.00kΩ
    Soil resistivity: fully automatic shifting 0.00 Ωm~9999kΩm
    Backlightcontrollable gray screen backlight, suitable for use in dim places
    Display mode4-bit large LCD display, gray screen backlight
    Measurement instructionsLED flashing indicator during measurement
    LCD size111mm×68mm
    LCD display field108mm×65mm
    Instrument dimensionsLxWxH: 277.2mm×227.5mm×153mm
    Standard test leads4 pcs: red 15m, black 15m, yellow 10m, green 10m
    Simple test leads2 pcs: yellow 1.6m, green 1.6m
    Auxiliary Ground rod4 pcs: φ10mm×200mm
    Measuring timeGround voltage: about 3 times/sec.
    Ground resistance / soil resistivity: about 7 sec./time
    Line voltageMeasurement below AC100V (ground voltage measurement function can not be used to measure commercial power)
    USB interfaceWith USB interface, software monitoring, storage data can be uploaded to the computer for saving and printing.
    Communication cable1 pc USB communication cable, length: 1.5m
    Data storage500 data set. "MEM" is storage indicator, "FULL" symbol indicates that the memory is full.
    Data query"MR" symbol appears
    Overflow displayOver-range overflow function: "OL" symbol appears.
    Interference testAutomatic identification of interference signals. "NOISE" symbol indicates when the interference voltage is higher than 5V.
    Auxiliary ground testWith auxiliary ground impedance test function, 0.00KΩ ~ 30kΩ (Rh max = 3kΩ +100R <50kΩ, Rs max = 3kΩ +100R <50kΩ)
    Alarm functionGive alarm when the measured value exceeds the alarm setting value
    Battery voltageReal-time display of battery power, reminding timely charging when battery voltage is low.
    Automatic Shutdown“APO” symbol appears, automatic shutdown after 15 minutes
    Power consumptionStandby: 40mA(backlight off)
    Turn on backlight: about 43mA
    Working: 75mA(backlight off)
    WeightInstrument: 2.45 kg(including battery)
    Test leads:1.3 kg
    Auxiliary ground rod: 0.85 kg(4pcs)
    Working temperature and humidity-10℃~40℃, 80%rh below
    Storage temperature and humidity-20℃~60℃, 70%rh below
    Overload protectionGround impedance measurement: AC 280V/3 seconds between H-E and S-ES ports
    Insulation test20MΩ above(500V between circuit and case)
    Withstand voltageAC 3700V/rms(between circuit and case)
    EMCIEC61326
    Safety

    IEC61010-1(CAT Ⅲ 300V, CAT IV 150V, pollution level 2)

    IEC61010-031

    IEC61557-1(ground impedance)

    IEC61557-5(soil resistivity)

    JJG 366-2004


    Measuring Rang and Accuracy

    Test FunctionRangeAccuracyResolution
    Ground resistance (R)0.00Ω~30.00Ω±2%rdg±5dgt (Note1)0.01Ω
    30.0Ω~300.0Ω±2%rdg±3dgt0.1Ω
    300Ω~3000Ω±2%rdg±3dgt
    3.00kΩ~30.00kΩ±2%rdg±3dgt10Ω

    Soil Resistivity(ρ)


    0.00Ωm~99.99Ωmρ=2πaR (Note 2)0.01Ωm
    100.0Ωm~999.9Ωm0.1Ωm
    1000Ωm~9999Ωm1Ωm
    10.00kΩm~99.99kΩm10Ωm
    100.0kΩm~999.9kΩm100Ωm
    1000kΩm~9999kΩm1kΩm
    Ground VoltageAC 0.00~100.0V±2%rdg±3dgt0.01V

    Note 1: Reference conditions: accuracy with Rh Rs < 100Ω

    Working conditions: Rh max=3kΩ+100R<50kΩ, Rs max=3kΩ+100R<50kΩ

    Note 2: It depends on the measurement accuracy of R.

    π=3.14, a: 1 m~100m


    Multifunctional Ground Resistance Tester GRT-200 is ideal instrument for measuring ground resistance and soil resistivity.


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