3 In 1 EMF Meter Professional, EMF Reader, Electromagnetic Radiation Detector Portable EMF Meter with Sound Light Alarm Digital LCD EMF Tester

【Widely used】Home, office, outdoor, industrial;Mobile phone, computer,TV, refrigerator high voltage line radiation detection;Test the effect of protective equipment such as radiation protective clothing and radiation protective film 【3 in 1 EMF meter】One machine for three purposes, simultaneously detecting electric field, magnetic field radiation and temperature.Short press "MODE" key, the electric/magnetic field and ℃/℉ function conversion 【Alarm】 Exceeding alarm threshold (Electric field: 40V/m; Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time. 【Hold data & Graphic display】The instrument reading will be locked by pressing the HOLD key, and the "H" symbol will be displayed on the screen. If there is no need to lock, press the HOLD key again. LCD graphic display of radiation value trend.Radiation assessment, to remind you whether the current radiation value is safe 【MAX/MIN/AVG value】During measurement, press "RANGE" to switch between average value, maximum value and minimum value in turn