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1200 Ohm Earth Clamp On Ground Resistance Tester USB Interface 2 Times/S

Categories Ground Resistance Testing Equipment
Brand Name: HAOMAI
Model Number: GRT-100
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, Earth Resistance Tester
Earth Resistance measurement: 0.01Ω-1200Ω
Earth Current measurement: 0.00mA-40.0A
Earth Voltage measurement: 0.0V-100V
Ω + A same screen display: Available
Test Data Storage: 500 sets
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    1200 Ohm Earth Clamp On Ground Resistance Tester USB Interface 2 Times/S

    Earth Resistance Clamp Tester


    Model: GRT-100

    The GRT-100 is a new generation earth clamp-on resistance tester. The instrument induces a test current into earth systems and measure ground resistance in multi ground installations without needing to disconnect the ground. It offers advanced features, simple operation and CAT Ⅲ 300V safety protection.

    The elliptical shaped head design offers improved access to cables and earth straps in space constrained locations. The clamp head accommodates up to 32mm diameter cable and 55mm earth tapes making them suitable for use in power stations, substations, towers and many more facilities. The operation in dark and restricted areas is facilitated by a display with backlight and an audible tone associated with the hold key.

    The GRT-100 offers 500 test results storage on-board and on-screen recall, also supports a download of results via USB interface.


    Technical Data

    FunctionGround resistance test, loop resistance test, leakage current test, ground voltage test
    RangeGround resistance: 0.01Ω-1200ΩResolution: 0.001ΩAccuracy: ±1%±0.01Ω
    Current: 0.00mA-40.0AResolution: 0.01mAAccuracy: ±2%±1mA
    Ground voltage: 0.0V-100V
    Temperature/Humidity23℃±5℃,below 75% RH
    Power SupplyDC 6V(4 alkaline dry batteries #5)
    Measurement MethodMutual induction
    Clamp Diameter55mm×32mm
    Clock FunctionAvailable
    Ω + A Synchronous DisplayΩ + A same screen display
    Display Mode4-digit LCD display, black screen design
    LCD Dimension46mm×29mm
    Dimension of Tester285mm×85mm×58mm(LxWxH)
    Sampling Speed2 times/second
    USB InterfaceWith USB interface, software monitoring, storage data can be uploaded to the computer for saving or printing.
    Communication Cable1 pc communication cable
    Data Storage500 groups, "MEM" storage indication, display "FULL" symbol indicates that the storage is full.
    Data Review"MR" symbol indicates when reviewing data
    Overflow IndicateThe "OL" symbol indicates when the range overflows
    Interference TestAutomatic identification of interference signal, when the interference current is large "NOISE" symbol indicates.
    Alarm FunctionWhen the measured value exceeds the alarm set value, an alarm will be given.
    Battery VoltageReal-time display of battery power, low battery remind timely charging
    Automatic Shutdown"APO" indicates that it will automatically shut down after 5 minutes.
    Power Consumption50mA Max
    Weight1180g (with battery)
    Working Temperature / Humidity-10℃~40℃, below 80% RH
    Storage Temperature / Humidity-20℃~60℃, below 70% RH
    Insulation ResistanceAbove 20MΩ(500V between circuit and shell)
    Withstand VoltageAC 3700V/rms(between circuit and shell)
    External Magnetic Field<40A/m
    External Electric Field<1V/m
    Suitable for Safety Regulations

    IEC61010-1(CAT Ⅲ 300V, CAT IV 150V, Pollution Degree II);

    IEC61010-031;

    IEC61557-1(ground resistance)

    The Earth Resistance Clamp Tester is particularly suitable for measuring earth resistance in various installations such as buildings, pylons and RF transmitter sites without system disconnection. In addition, they can be used for the inspection and verification of lightning protection systems and virtually any installation where a current loop can be generated.


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