FR3025 Insulation Resistance Meter Megohmmeter 2500V 200GΩ Insulation Resistance Test Voltage Tester

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FR3025 Insulation Resistance Meter Megohmmeter 2500V 200GΩ Insulation Resistance Test Voltage Tester


  • FR3025 digital insulation resistance meter, also known as megohmmeter, high voltage insulation resistance tester, is used for insulation resistance testing. This instrument has the functions of large LCD screen gray-white backlight display, data storage, data access, alarm, automatic shutdown, etc. It also has the functions of measuring DC voltage and AC voltage absorption ratio and polarization index. The whole machine is beautiful and high-grade, wide range, high resolution, convenient operation, easy to carry, accurate, reliable, stable performance, strong anti-interference ability.
  • FR3025 also has a shock-proof, dust-proof and moisture-proof structure, adapts to harsh working environments, and is a commonly used and indispensable instrument for electric power, post and telecommunications, communications, electromechanical installation and maintenance, and industrial enterprises that use electricity as industrial power or energy. It is suitable for measuring the resistance value of various insulating materials and the insulation resistance of transformer, motors, cables and electrical equipment.
  • FR3025 digital insulation resistance meter is composed of medium and large-scale integrated circuits. This watch has large output power and many output voltage levels (5 voltage levels). The rated insulation test voltage range is 100~2500V, and the insulation resistance measurement range is 0.01MΩ~200GΩ. The measuring range of DC voltage is 0~1000V, and the measuring range of AC voltage is 0~750V.




Insulation resistance test, voltage test


Base condition


23°C ± 5°C, below 75%rh


Rated voltage (V)


100: 250: 500: 1000: 2500


Accuracy ± 3%rdg ± 5dgt



  Measuring voltage (V)


  Rated voltage X (1±10%)


 Insulation resistance range (GΩ)


 0.01MΩ ~200GΩ accuracy ±3%rdg ±5dgt


 Insulation resistance resolution




 DC voltage range




  DC voltage resolution




 AC voltage range




  AC voltage resolution





 Output short circuit current


 ≥2mA (2500V)


 Absorption ratio and polarization index measurement




 P ower supply


6 X 1. 5V (LR14) alkaline batteries




 Controllable gray and white screen backlight, suitable for dim places


  Display mode


 4-digit large LCD display, gray and white screen backlight


  LCD display size


  108mmX 65mm


 Instrument size


 240mm (length) x 188mm (width) X 85mm (height)


  Test line


 High voltage test line red 1 meter, black 1 meter, green wire 1 meter

Data storage 500 groups, flashing "FULL" symbol indicates that the storage is full
Data access Data access function: "MR" symbol display
Overflow display Over-range overflow function: "OL" symbol display
Alarm function When the measured value exceeds the alarm set value, an alarm will be issued


 Power consumption

Standby: 40mA Max (backlight off)

Turn on backlight: 43mA Max

Measurement: 80mA Max (backlight off)



1230g (including battery)



Battery voltage Battery voltage is low, display low battery symbol
Automatic shut-down The meter shuts down after about 15 minutes of inactivity
Insulation resistance ≥50MΩ (1000V)
Withstand voltage AC3kV/50Hz 1min
Working temperature and humidity -10°C~+50°C <85%RH
Storage temperature and humidity -15°C~+55°C <90%RH
Suitable for safety regulations IEC61010-1, 1EC1010-2-31, IEC61557-1.5, IEC60529 (IP54), pollution, etc. 2, CATIII 300V



Package includes:

1 x Meter

3 x High voltage test line (One each for red, black and green)

1 x Instrument package

1 x User Manual

Details picture:

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