er 3000mT Range  Application: *Measure the magnetic field generated from Direct Current (DC, with display by N/S Magnetic polarity) orAlternating Current (AC in 40~500Hz) *Measurement of the residual magnetic after processing of mechanical parts *Measure the residual magnetic generated from the stress after processing of stainless material *Measurement of the magnetic force of magnetic materials *Measure various steel materials with natural magnetism *Measure the magnetic field strength of motors in various electrical appliances *Measure the magnetic field strength of permanent magnets *Detect the magnetic field leakage generated from superconductive magnets Features:  *Data HOLD and backlight function *Automatic and manual range function *Relative / Peak Hold / Real time Zeroing function *Manual / Auto Record *ON/OFF Buzzer *MAX/MIN value display *AC/DC Switching magnetic field measurement *Data transfer via USB cable and CD software *Selectable Unit of measurement (G / mT, °C / °F) *Calendar (year/month/date) and time (hour/minute) setting *Auto / Manual power off function *Battery low indicator *Compatible with Windows 7 / 10 operating system *Quality Product Made in Taiwan Specifications:  *Screen: 5 digit LCD screen displaying up to 30000 value *Measurement range: 0~3000mT(milli Tesla)/0~30000G(Gauss) *Conversion of units: 1mT(milli Tesla) = 10G (Gauss)  *Recording: *Manual: up to 200 logs *Automatic: up to 7000 logs (record interval shall be setup in PC) *Operating Environment: 5~40°C (41~104°F), <80% RH *Storage Environment: 0~50°C (32~122°F), <70% RH