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

    $176.15
    Low price megger insulation tester, offers test voltages of 100V/250V/500V/1000V, insulation resistance test range from 0.00 MΩ to 5.0 GΩ, also support AC voltage measurement of 30V~750V, high accuracy and stable performance, with easy-to-read LCD display, ideal for testing the electrical equipment such as transformers, motors, cables, etc.
    SKU: ATO-IRT-UT501A
    Free Shipping Worldwide
    Delivery date: 6-12 days

    The insulation resistance tester or megger/megohmmeter, offers insulation resistance test up to 5.0G ohm and test voltage of 100, 250, 500 and 1000 volts, and it is an ideal tool for electric maintenance, testing and inspection, used for insulation resistance measurement in various kinds of electrical equipment such as transformer, electric motors, cables, switches, electrical appliance and so on.

    Specification

    Model ATO-IRT-UT501A
    Insulation Resistance (Ω) Test voltage/accuracy 100V/250V/500V/1000V 0% ~ 10%
    Measurement range/accuracy 100V 0.00 MΩ ~ 100 MΩ ±(3%+5)
    250V 0.00 MΩ ~ 99.9 MΩ ±(3%+5)
    100 MΩ ~ 5.0 GΩ ±(5%+5)
    500V 0.00 MΩ ~ 99.9 MΩ ±(3%+5)
    100 MΩ ~ 5.0 GΩ ±(5%+5)
    1000V 0.00 MΩ ~ 99.9 MΩ ±(3%+5)
    100 MΩ ~ 5.0 GΩ ±(5%+5)
    Load current 100V (R=100kΩ) 1mA 0% ~ 10% 
    250V (R=250kΩ) 1mA 0% ~ 10% 
    500V (R=500kΩ) 1mA 0% ~ 10% 
    1000V (R=1MΩ) 1mA 0% ~ 10% 
    Short-circuit current <2mA
    AC Voltage (V) Test range/accuracy 30V ~ 750V (50Hz/60Hz) ±(2%+3)
    Features Display 1999 count
    Auto ranging Yes
    Low battery indication Yes
    LCD backlight Yes
    Light alarm Yes
    Buzzer alarm Yes
    High voltage indication Yes
    Over load indication Yes
    Auto discharge Yes
    Test voltage secondary display Yes
    10 MΩ internal resistance test Yes
    General Power supply 1.5V battery (LR6) x 6
    Display size 70.6mm x 34mm
    Working condition 0℃ ~ 35℃, ≤75%RH
    Altitude ≤2000m
    Storage condition -20℃ ~ 60℃, ≤80%RH
    Product weight 500g
    Product size 150mm x 100mm x 71mm
    Standard accessories Batteries, test leads, alligator clips, gallus

    Insulation Resistance Test Wiring Diagram

    UT501A Megger Insulation Resistance Test

    Tips: What is an Insulation Resistance Tester?

    Insulation Resistance tester, also known as Megohmmeter or Megger, is widely used to measure the insulation resistance of electrical devices such as generators, motors, power transformers, cables, household appliances and so on. The insulation performance of the electrical equipment is one of the important indicators to evaluate the insulation quality, it is reflected through insulation resistance. The megger insulation tester plays this role to indicate changes in electrical insulation resistance over months or years. Large changes in insulation resistance may indicate a potential failure. Therefore, it is necessary to calibrate the Megohmmeter periodically to ensure that the meter itself does not change over time.

    Generally, the insulation resistance to be tested refers to the insulation resistance between the live part and the exposed non-live metal part (shell). According to different products, apply a high-voltage direct current, such as 100V, 250V, 500V, 1000V, etc., and specify a minimum insulation resistance value. Some standards express that the insulation resistance is not less than 1 m Ω for each kV voltage, etc.

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