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30 Kiloohm Earth Ground Resistance Testing Equipment Ultraportable With LCD Display

Categories Ground Resistance Testing Equipment
Brand Name: HAOMAI
Model Number: GRT-200
Certification: ISO9001:2015
Place of Origin: China
MOQ: 1 set
Price: negotiation
Payment Terms: T/T
Supply Ability: 400 sets per month
Delivery Time: 5-10 working days
Packaging Details: Transport Case + Carton
Product name: Ground Resistance Tester, Soil Resistivity Tester
Ground Resistance Measurement: 0.00Ω-30.00kΩ
Soil Resistivity: 0.00Ωm-9999kΩm
Ground Voltage: 0.00V-100.0V
Short circuit test current: > 20mA
Auxiliary Ground rod: 4pcs
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    30 Kiloohm Earth Ground Resistance Testing Equipment Ultraportable With LCD Display

    Earth Resistance and Soil Resistivity Tester
    Model: GRT-200
    The GRT-200 offers a comprehensive solution to your earth resistance and soil resistivity testing needs. With an IP54 rated enclosure it is the genuinely outdoor instrument. The instrument provides all the functions required for ground system testing: earth resistance measurement by four-wire, three-wire or two-wire method, attached auxiliary ground rod, ground noise voltage measurement and soil resistivity measurement.
    The clear, easy-to-read display provides excellent contrast and viewing angle making the instrument ideally suited to outdoor use. The display is backlit, extending the operational environment of the instrument to cable cellars and other dark locations.
    The GRT-200 offers a wide measurement range of 0.01 Ω a to 30.00 kΩ, ground noise voltage measurement from 0.00 V to 100.0 V and Soil resistivity measurement from 0.00 Ωm to 9999 kΩm. Accurate results can be obtained in electrically noisy environments since the instrument is capable of rejecting noise voltages of 20 V peak to peak.

    Main Features
    1)Able to measure earth resistance by four-wire, three-wire or two-wire method
    2)Able to measure soil resistivity
    3)Able to measure ground voltage and AC voltage
    4)Test frequency: 128Hz
    5)Short circuit test current: > 20mA(sinewave)
    6)4-bit large backlit display screen
    7)Rugged carry case

    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


    Earth Resistance and Soil Resistivity Tester GRT-200 is reliable instrument for measuring earth resistance by four-wire, three-wire or two-wire method and soil resistivity.
























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