SR-IR3045 series digital insulation resistance tester, also known as megohmmeter, high-voltage insulation resistance meter, is used for insulation resistance testing. This instrument has the functions of large-screen LCD backlight display, data storage, data access, alarm, automatic discharge/charging, and automatic shutdown etc. It also has the functions of measuring DC voltage and AC voltage absorption ratio and polarization index. The whole instrument has wide range, high resolution, convenient operation, easy to carry, with accurate, reliable and stable performance, high output power and strong anti-interference ability.

It has a shock-proof, dust-proof and moisture-proof structure, and is suitable for harsh working environments. It is widely used in telecommunications, electric power, meteorology, computer rooms, oil fields, electromechanical installation and maintenance, and industrial enterprises that use electricity as industrial power or energy. It is suitable for measuring the insulation resistance of various insulating materials and transformers, motors, cables and electrical equipment.