MG500 | Digital Insulation Tester Dustproof + Splashproof IP54 Design

SanwaSKU: MG500

Sale price$207.69

Customer Reviews


The MG500 is a 3 range (DC500V/250V/125V) digital insulation tester that features hot-line state detection, a large backlit display with bar graph and a tough, built-in carry case.

This device is used to measure the insulation resistance of a power line and power equipment within the range of 600V under CAT III. It has a safe design compliant with the IEC 61010-1 rating. The MG1000 also features a lock-down cover that functions as a dust-proof and splash-proof IP54 rated carry case.

The MG500 has a large 4200 count LCD display with backlight. It uses the average value method for AC signal sensing and has a sampling rate of 2 samples per second. The device has an auto range feature for automatically adjusting the range of the parameter being measured. It also has auto hold function for pausing a measurement automatically on the screen.

This device is also capable of measuring AC and DC voltages (600 Volts MAX). It can also perform continuity test and has a buzzer alarm feature. The MG500 comes with test leads, and an ST-50 strap.

  • Test voltage DC500V/250V/125V
  • Bar graph just like analog meter
  • Short circuit current up to 2mA
  • Large display with backlight
  • Auto discharge function
  • Data hold (Auto)
  • Auto power save: Enables about 10 minutes after the last operation
    Includes test leads, instruction manual and carry strap.


              Function Measuring Range Accuracy Resolution
              400k/4M/40M/400M/4000MΩ ±(3%+4) 0.001MΩ
              Rated voltage 125/250/500V    
              ACV/DCV 600V (AC/DC Automatic detection) ±(3%+2) 1V
              Ω(Continuity) 4000Ω ±(3%+3)
              Ω 40Ω ±(3%+10) 0.01Ω
              Rated current 1.0~1.2mA
              Short-circuit detection Below 2mA
              Live circuit detection At 30V AC/DC or more, inhibits test, buzzer sounds and alarm indicator lights up
              Battery R6P(AA battery) 1.5Vx6
              Size/Mass H170×W142×D57mm/Approx. 600g
              Safety standard IEC61010 CAT.Ⅲ 600V


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