Mangal Handheld Digital Gauss / Tesla meter for measuring the DC magnetic field, AC magnetic field, radiation field and other magnetic field magnetic induction. The instrument can carry a wide range, easy operation, clear LCD display. 9V battery as a power source, can be used continuously for 20 hours. HT20 applications handheld digital Gauss meter, magnetic materials, the surface magnetic field, DC motors, speaker Devices, magnetic separator, magnetic separator magnetic field of work. Specifications range: 0 ~ 200mT millitesla ~ 2000mT millitesla (ie 0-20000 Gauss) Basic error: ± 2% ± 3 words (1000mT millitesla below) ± 5% ± 3 words (1000mT millitesla more) Resolution: 0.1mT millitesla, 1mT millitesla the measured magnetic field: DC magnetic field (static magnetic field) Ambient temperature: 5 ℃ ~ 40 ℃ Relative Humidity: 20% to 80% (no condensation) Power supply: One 9V battery Dimensions: 160mm × 88mm × 36mm Weight: 300g Display: 3 1 / 2 LCD Display units: mT millitesla Note: 1mT millitesla = 10Gs Gauss