![Sanwa MG5000 Digital Insulation Tester (High Voltage) [5-range]](http://khmtools.com.ph/cdn/shop/files/mg5000.gif?v=1752552368&width=1)
![Sanwa MG5000 Digital Insulation Tester (High Voltage) [5-range]](http://khmtools.com.ph/cdn/shop/files/mg5000.gif?v=1752552368&width=600)
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Insulation testers, also called megger testers, measure the insulation resistance of wiring, motors, transformers and cables. Electricians and maintenance teams use them to find damaged or damp insulation before it causes faults or shocks.
How to choose an insulation tester
- Test voltage: choose a tester with test voltages that suit the equipment you check. 1000V testers (Sanwa MG1000, DM1009s, Wadfow WDM9508) cover most building wiring and motors. The Sanwa MG5000 offers higher test voltages for larger equipment.
- Digital or analog: digital testers (Sanwa MG1000, Pro'sKit MT-4103, CEM DT-5500) are easy to read. Analog testers (Sanwa DM509S, DM1009s) show changes in the reading as a needle sweep.
- Safety: always test de-energised circuits and discharge the circuit after testing.
Related
See digital multimeters, clamp meters, Sanwa testers and high voltage gloves.
All products from KHM Megatools are genuine and covered by the manufacturer's warranty where applicable.
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