The EMF-827 Electromagnetic Field Tester is designed for precise measurement of electromagnetic fields. It offers multiple measurement ranges, an overload protection display, and an easy-to-read LCD screen, making it suitable for both professional and amateur users. The EMF tester is designed to provide user a quick, reliable and easy way to measure electromagnetic field radiation levels around power lines, home appliances and industrial devices. Separate probe, easy operation & remote measurement. Wide measuring ranges, 20/200/2,000 micro Tesla, 200/2,000/20,000 milli Gauss. The EMF tester is a cost-effective, hand-held instrument designed and calibrated to measure electromagnetic field radiation at different bandwidths down to 50 Hz/60 Hz.