Guangzhou GZAIR Instruments Co., Ltd.
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Portable Radiation Dose Alarm for Personal Safety
Stay protected wherever you go with the Portable Radiation Dose Alarm, a compact and reliable device designed to monitor and alert you of radiation exposure in real time. Whether you work in healthcare, nuclear energy, aviation, or simply want peace of mind while traveling, this pocket-sized dose alarm delivers precise radiation tracking with immediate feedback.
Equipped with a high-sensitivity Geiger-Müller tube, it detects gamma and X-ray radiation exposure and sounds an audible and visual alarm when safe thresholds are exceeded. The easy-to-read digital display shows cumulative dose and dose rate, making it ideal for professionals, first responders, and safety-conscious individuals.
Key Features:
Real-Time Dose Monitoring: Continuously tracks radiation dose rate and cumulative dose with high accuracy.
Audible & Visual Alarms: Alerts instantly when radiation levels exceed user-defined safety thresholds.
Compact & Lightweight: Easily fits in your pocket, on a belt clip, or in a bag for portable use.
Digital LCD Display: Shows current dose rate (µSv/h) and total dose received.
Memory Function: Stores historical dose data for review and safety compliance.
| Detection ray | X, γand hard β ray |
| Sensor | Energy compensation GM tube (Geiger counter tube) |
| Measurement range | a. Dosage equivalent rate 0.08—99999μSv/h (maximum 100 mSv/h) |
| b. Accumulative dosage equivalence 0.00μ Sv—999.0 mSv | |
| Energy scope | 50 keV—1.5 MeV ≤ ± 30 % (as for 137 Cs I) |
| Relative innate error | ≤ ± 10 % (137 CS 1 mSv/h) |
| Flexibility | 80 CPM/μSv/h (as for Co—60) |
| Alarm value | a. Dose rate Selection among 0.5, 1.0, 1.5, 2.0, 2.5, 5.0, 10.0, 50.0, 100.0μSv/h at disposal. |
| b. Accumulative dose Selection among 0.05, 0.5, 1.0, 1.5, 2.0, 5.0, 10.0, 20.0, 50.0, 100.0 mSv at disposal. | |
| Unit of dose rate | μSv/h, μGy/h, m R/h. |
| Measurement display | The dosage rate is displayed per second; the protection alarm response is less than 5 seconds. |
| Working Temperature | - 10 ºC ~ + 45 ºC |
| Working humidity | ≤ 95 % |
| Power supply | Two No.7 (AAA) batteries |
| Dimension | 100 X 70 X 26 mm |
| Weight | 100g (Not including battery) |
