FS-1000 is a small high-range radiation detector with energy compensation, the main function is to monitor X-ray,y-ray and ß-ray. The detector of this instrument is an energy-compensated Geiger counter (hereinafter referred to as GM tube), which is characterized by accurate measurement and high range. This product uses a 32-bit microprocessor and is equipped with a 128*64 dot matrix LCD display, which is simple to operate and has a strong anti-interference ability. The equipment provides an audible alarm, and the alarm threshold is continuously adjustable. When the alarm threshold is reached, an alarm is issued to remind the staff to pay attention to safety. The main counting indicators of the instrument comply with international standards.