Features： 1、GEIGER TUBE: This Geiger tube, known for its high sensitivity and significant pulse amplitude, offers accurate readings and reliable performance. 2、ACCURATE MEASUREMENT: Offering reliable measurement accuracy, this radiation detector is a trusted tool in detecting and monitoring nuclear radiation. 3、SIMPLE OPERATION: The operation of this detector has been streamlined for convenience, making it easily accessible and user friendly even for those with minimal technical knowledge. 4、WIDE APPLICATIONS: Applicable to a range of fields such as nuclear physics, medical applications, particle physics, and industrial applications, this radiation detector is a versatile tool in any radiation monitoring situation. 5、EASY CARRYING: Compact size and being light in weight make the nuclear radiation tester easy to carry for convenient use. Specification： ​Item Type: Geiger Tube Material: Glass, Stainless Steel Measurement Objects: X rays, y rays Hard β rays Plateau Slope: ≤0.3%/v in the range of 380 to 450 Measuring Range: 0.005 to 5cGy/h Energy Response: Within ±30% (50KeV-3MeV) Accuracy: 0.01uSv/h Starting Voltage: ≤350V Discharge Voltage: ≥550V Measuring Temperature: -20℃ to 55℃ Life: >1×10^10 pulses Package List： 1 x Geiger Tube