Description This instrument is special for measuring insulation resistance of insulators. It is for site test on high voltage transmission line after power off. It can be also as an insulation resistance meter. II Main features 1) Small size, light weight 2) No need hand generator, one operator 3) Digital displaying, accurate, stable and intuitive measuring result III Main technical data 1) Measuring voltage: About 5000V, DC 2) Resistance measuring range: 0~1999MΩ 3) Resolution ratio: 1 MΩ 4) Basic error: +/-5% 5) Power: One 9V laminated battery 6) Power current: About 20mA 7) Size: 43 x 90 x 120mm Add to Basket