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Metrel MI3202 GigaOhm 5Kv Insulation Tester

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Use the Metrel MI3202 to carry out testing of insulation resistance of rotating machinery/cables, production line periodic testing and maintenance and for troubleshooting all kinds of problems associated with insulation.

Built into its own protective carry case, the MI3202 is protected at all times from harm and can be easily ported from test to test. Inside the case the MI3202 includes an analogue and digital display, allowing users to accurately track fluctuations in real time via a stable digital reading and an analogue reading on a scale.

This insulation tester includes wide test voltage range from 250V up to 5000V, allowing it to measure insulation resistance up to a threshold of 1TΩ. The voltage range can also be adjusted in steps of 250V, 500V, 1kV, 2.5kV and 5kV.

The MI3202 can also auto discharge itself after testing, includes a guard terminal, auto adjustment function and is auto ranging.

Metrel MI3202 GigaOhm 5kV Insulation Tester Key Features

  • Measuring range  up to 1 TΩ
  • Analogue scale and  digital LCD: measuring results are displayed both in numeric and analogue form.
  • Quick set-up: quick and easy selection of test voltage (250 V; 500 V; 1 kV; 2,5 kV; 5 kV).
  • Fast testing: 5 mA current source for quick charging of capacitive load.
  • Guard test  terminal: for elimination of potential surface leakage currents.
  • Automatic discharge of tested object after test.
  • Safe: high CAT IV / 600 V voltage protection.
  • Easy to read: large bright LCD with backlight.
  • Built-in charger & rechargeable batteries: Instrument has a built-in charger and comes complete with a set of rechargeable NiMH batteries.
  • High quality accessories: shielded test leads are included in a standard set.
  • Portable: lightweight 3 kg design with carry handle and shoulder strap

Full List of Products Included

  • MI 3202 GigaOhm 5 kV
  • Mains cable
  • 10 kV shielded test lead black, 2 m
  • 10 kV shielded test lead red, 2 m
  • 10 kV crocodile set (black, red)
  • Guard lead green, 2 m
  • Crocodile clip green
  • 6 x 1.2 V NiMH batteries, C type
  • Handbook on CD
  • Instruction manual
  • Calibration certificate
Accessories related to this product:
Part CodeMI3202

Metrel MI3202 Technical Specifications


Test Voltage Range 250 - 5000 V
Measuring range 1 TΩ
Voltage steps 250 V, 500 V, 1 kV, 2.5 kV, 5 kV
Automatic discharge after test       yes
Short circuit / charge current 5 mA
Guard terminal yes
Auto adjustment function yes
Auto ranging yes
Shielded test leads included yes


Voltage test AC/DC up to 600 V AC and DC


Insulation 5 % +3d (to 1 TΩ), 15 % +3d (to 1 TΩ)
Voltage 3 % +4 V
Capacitance 5 % +2d


Bar graph yes
Back light yes
Graphic display LCD

Safety and Protection

IP 44
Safety category CAT IV, 600 V

Power Supply

Rechargeable batteries Included
In-built battery charger yes
Low battery indication yes
Battery life 4 h @ at 5 kV


Weight 3 kg
Dimensions 310 x 130 x 250 mm
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