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    ETCR3520 5KV High Voltage Insulation Tester Megohm Meter 10T 7mA | Supports IR, PI, DAR, STEP and RAMP and capacitance measurement for cables, motors, transformers and switchgear

    • ETCR3520
    • ETCR3520B
    • ETCR3520C
    • Touch colorful screen, and the test data will be displayed on the same screen. It is very convenient to test operation and view history record.
    • With the unique strong anti-interference technology and stable testing capabilities in large distributed capacitance site (such as long cables) and strong electromagnetic interference environments (such as substations).
    • Perfect measurement index: insulation resistance (IR), polarization index (PI), dielectric absorption ratio (DAR), step (STEP), ramp (RAMP), dielectric discharge index (DD), distributed capacitance (CAP), AC/DC voltage (V).
    • Custom setting measurement mode, optional PI and DAR calculation formulas, custom setting test voltage and custom setting test duration, which can provide variety of options to user and convient the special site request.
    • Voltage monitor: Automatically monitoring the live voltage of the measured object. when the voltage exceed 36V and will automatically prohibit to test to effectively protect the instrument and the operator.
    • Current monitor: Automatic display the current of test circuit
    • Temperature monitor: Automic display the temperature and humidity of tester inside.
    • Automatic discharge function, automatically and quickly release the electric charge of the measured object after the test, no need the external discharge circuit.
    • Large-capacity test record memory, test records can be directly browsed and analyzed in the tester. the tester can automatically store 1000 sets of real-time test data with t
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    ETCR3500Product Function


    1. Suitable for the insulation resistance test of large-scale electrical equipment and transmission cable in large-capacity, high-voltage, and strong-inductive electrical environments.
    2. Insulation resistance test (IR); polarization index test (PI); Dielectric absorption ratio test (DAR); Step test(STEP); Ramp test (RAMP); Dielectric discharge index test(DD). AC/DC Voltage test(V); Distributed capacitance test(CAP).


    Product Features


    1. Touch colorful screen, and the test data will be displayed on the same screen. It is very convenient to test operation and view history record.
    2. With the unique strong anti-interference technology and stable testing capabilities in large distributed capacitance site (such as long cables) and strong electromagnetic interference environments (such as substations).
    3. Perfect measurement index: insulation resistance (IR), polarization index (PI), dielectric absorption ratio (DAR), step (STEP),ramp (RAMP), AC/DC voltage (V).
    4. Custom setting measurement mode, optional PI and DAR calculation formulas, custom setting test voltage and custom setting test duration, which can provide variety of options to user and convient the special site request.
    5. Voltage monitor: Automatically monitoring the live voltage of the measured object. when the voltage exceed 36V and will automatically prohibit to test to effectively protect the instrument and the operator.
    6. Current monitor: Automatic display the current of test circuit.
    7. Temperature monitor: Automic display the temperature and humidity of tester inside.
    8. Automatic discharge function, automatically and quickly release the electric charge of the measured object after the test, no need the external discharge circuit.
    9. Large-capacity test record memory, test records can be directly browsed and analyzed in the tester. the tester can automatically store 1000 sets of real-time test data with test date and test time.
    10. USB communication and upload function, the recorded data can be uploaded to the computer for stored statistical analysis.


    ETCR3520 Technical Specification
    FunctionSuitable for the insulation resistance test of large-scale electrical equipment and transmission cable in large-capacity, high-voltage, and strong-inductive electrical environments.
    FunctionInsulation resistance test (IR); polarization index test (PI); Dielectric absorption ratio test (DAR); Step test(STEP); Ramp test (RAMP); Dielectric discharge index test(DD). AC/DC Voltage test(V); Distributed capacitance test(CAP).
    Rated Voltage50V, 250V, 500V, 1000V, 2500V, 5000V
    Output Voltage Accuracy(5%~10%) ±10V
    Insulation Resistance Range0.005M~10.00T
    Short Circuit Current7mA
    Power SupplyRechargeable battery
    Capatiance MeasurementRange: 10nF~200uF; Accuracy: ±10%rdg ± 10nF
    Voltage MeasurementDC:0V~1000V; AC:0V~700V
    Custom Setting Output Voltage40V~5kV
    Custom Setting Test Time10s~3600s
    Polarization Index (PI)Yes
    DARYes
    Step Voltage(STEP)Yes
    Ramp( RAMP)Yes
    Dielectric discharge index(DD)Yes
    Real Time Current ValueDisplay test current value, current display range: 0.001nA~7.5mA
    Real Time Voltage ValueAutomatically monitoring the voltage of the measured object. when the voltage exceed 36V and will automatically prohibit to test to effectively protect the instrument and the operator.
    Test TimerAutomatically record test duration, timing range: 0s~9999s
    Store FunctionAutomatically store the test date, time and timing, total of 1000 groups, which can view and replay the stored test record
    USB ComminicationYes, upload the test record to PC through the USB cable
    Battery Power IndicationWith the battery power indication, when battery voltage low will remind to charge in time
    Automatic ShutdownAfter 15 minutes start up will shut down automatically without any operation
    Tester Dimension280mmX260mmX160mm
    Instrument WeightHost: 3737g(with rechargeable battery); total weight:5.72kg(include all accessories)
    Protection LevelClose the case IP65; open the case IP40
    Working Environment-20~50; 80%RH
    Withstand VoltageAC 3Kv 50Hz 1min (between the test circuit and shell)
    Suitable Safety StandardIEC61010-1, IEC61326-1
    AccessoriesHost: 1PCS, high voltage test wire(red): 1PCS, Test wire (green): 1PCS; Test wire (black): 1PCS; Alligator clip: 1PCS; Hook 1PCS; USB communication cable 1PCS; Software CD: 1COPY; Tool bag: 1PCS


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