Feature: 1. [Simple To Use] X rays, γ rays and hard β rays can be monitored, and dose rate and cumulative dose can be measured and displayed, to eet your various need. 2. [High Sensitivity] The sound frequency indicates the radioactive strength, and the dose rate alarm and cumulative dose alarm thresholds are set. Ultra low function design, high sensitivity, and can also measure the environmental background. 3. [Low Power Consumption] Chinese and English language operation interface is optional, unit display uSv/h, uR/h, CPS, CPM, with a large enough LCD screen, low power consumption, battery undervoltage indication function. 4. [Data Management Function] Can delete historical data, view historical data, set the storage period, alarm for over temperature value, and real time indication of battery power. 5. [Multifunctional] With the function of transferring historical data to the computer, the permanently saved data will not be lost after the power is cut off, with system clock control function. Specification: Item Type: Nuclear Radiation Detector Material: ABS Product Size: Approx. 13.5 x 7 x 2.5 cm / 5.3 x 2.8 x 1 in Radiation Detection: Gamma rays (γ), X rays and hard β rays Detector: Energy Compensation GM Tube (Geiger Counter Tube) Measuring Range: Dose Equivalent Rate: 0.01~1000μSv/h (maximum 10mSv/h) Cumulative Dose Equivalent: 0.01μSv~500.0mSv Energy Range: 50keV~1.5MEV≤±30% (for 137Cs 1) Relative Inherent Error: ≤±15% (137CS 1mSv/h) Sensitivity: 80 CPM/μSv/h (for Co-60) Alert Threshold: Dose Rate: Arbitrarily selected between 0.5, 1.0, 1.5, 2.0, 2.5, 5.0, 10.0, 50.0, 100.0 μSv/h Cumulative Dose: Arbitrarily selected from 0.05, 0.5, 1.0, 2.0, 5.0, 10.0, 20.0, 50.0, 100.0 mSv Dose Rate Units: μSv/h, μGy/h, mR/h Measurement Display: The dose rate display is updated every second, and the protection alarm display is less than 5 seconds Power Supply: 2 x AA batteries or rechargeable batteries (Battery Not Included) Power Consumption: The power consumption of the whole machine is about 8mW, and the current is less than or equal to 4mA Temperature Range: -10℃-45℃ Humidity Range: Relative humidity ≤ 95% (+45℃) Language: Chinese and English two languages Application: The x, γ radiation alarm instrument has a built in high sensitivity Geiger counting tube as a detector, which is mainly used to detect the radiation of various radioactive workplaces, γ and hard rays, and has the characteristics of quick response and wide measurement range. It can display the dose equivalent rate and accumulated dose in the workplace, and the calendar, time and accumulated data can be permanently saved when the battery is replaced. Widely used in nuclear power plants, accelerators, steel, chemical industry, isotope applications, industrial x, γ nondestructive testing, radiotherapy, cobalt source therapy, γ irradiation, radioactive laboratories, environmental monitoring around nuclear facilities, safety protection monitoring and radioactive reminders Use Situation: 1. Unknown area rays inspection 2. Environmental laboratory, environmental pollution investigation 3. Nuclear Medicine, Molecular Biology, Radiochemistry 4 Imports and exports commodity inspection 5. Indoor environment and building materials release testing 6. Radiation processing and non destructive testing sites 7. Nuclear safety emergency Weight: Approx. 363g / 12.8oz. Package List: 1 x Nuclear Radiation Detector (Battery Not Included)1 x Storage Box1 x English Manual1 x Rope