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    Megger Insulation Tester, 100V/250V/500V/1000V

    $335.72
    Digital megger or insulation tester performs insulation resistance at 100, 250, 500V and 1000V test voltages, for various ranges of 0.1 - 500MΩ, 0.5 - 2GΩ, 1MΩ - 4GΩ and 2MΩ - 10GΩ. PI, DAR, voltage and low resistance can also be measured. Easy to use, stable performance and competitive price.
    SKU: ATO-IRT-UT511
    Free Shipping Worldwide
    Delivery date: 6-12 days

    The megger insulation tester can measure the insulation resistance of large transformers, generators, high-voltage motors and so on. The megger can be selected from the test voltages of 100, 250, 500V and 1kV, with the capabilities of testing insulation resistance up to 10 GΩ. High reliability, accuracy and low cost.

    Specification

    Model ATO-IRT-UT511
    Insulation Resistance (Ω) Test voltage/accuracy 100V/250V/500V/1000V 0% ~ 20%
    Measurement range/accuracy 100V 0.1 MΩ ~ 500 MΩ ±(3%+5)
    250V 0.5 MΩ ~ 2 GΩ ±(3%+5)
    500V 1 MΩ ~ 4 GΩ ±(3%+5)
    1000V 2 MΩ ~ 10 GΩ ±(3%+5)
    Short-circuit current <2mA
    DC Voltage (V) Test range/accuracy  1000V ±(2%+3)
    AC Voltage (V) Test range/accuracy 30V ~ 750V (50Hz/60Hz) ±(2%+3)
    Low Resistance (Ω) Range/accuracy  0.1 Ω ~ 999.9 Ω ±(1%+3)
    Features Display 9999 counts
    Auto ranging Yes
    Auto power off Yes
    Low battery indication Yes
    Data storage 18
    Comparison measurement Yes
    PI Yes
    DAR Yes
    LCD backlight Yes
    Analog bar graph 30
    Over-range warning Yes
    High voltage indication Yes
    Timing measurement (around 30 min) Yes
    General Power supply 1.5V battery (LR14) x 8
    Display size 123mm x 58mm
    Operating temperature 0℃ ~ 40℃ (32℉ ~ 104℉)
    Storage Temperature -20℃ ~ 60℃ (-4℉ ~ 140℉)
    Relative Humidity ≤85%RH @ 0℃ ~ 40℃ below;
    ≤90%RH @ -20℃ ~ 60℃
    Product weight 2kg
    Product size 202mm x 155mm x 94mm
    Standard accessories 2*single plug test lead with alligator clip (black and green), 1*double plug test lead with alligator clip (red), batteries

    Insulation Resistance Test Wiring Diagram

    1000V megger insulation resistance test wiring

    Tips: Working principle of insulation resistance tester

    Insulation resistance tester, also known as digital insulation tester, Megohmmeter, Megger insulation tester adopts the embedded industrial SCM real-time operating system, with digital analog pointer and digital segment code display in perfect combination. ATO series of Megger insulation meter has a variety of test voltage options, large capacity, strong anti-interference, AC and DC dual-use, simple operation and so on. It is an ideal tool for measuring the insulation resistance of large-capacity transformer, current transformer, generator, high-voltage motor, electric capacitor, power cable and arrester.

    Insulation resistance tester is mainly working by using a voltage exciting the tested device or circuit, and then measuring the current generated by the excitation, using ohm's law to obtain the resistance. For example, the testers apply a much higher voltage when making resistance measurements than the ohmmeter capabilities available on a digital multimeter (DMM). Megohmeters usually use voltages ranging from 50V to up to 5kv; a typical DMM has a voltage of less than 10v. For insulation test, it require measuring very large resistance value, the capability up to 10 TΩ, and requires a higher voltage.

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