Nuclear Radiation Detector Marble Radioactive Ray Ionization Personal Dose Alarm Instrument
Product Features
The instrument uses a NaI crystal as a detector, coupled with a photomultiplier tube, and a high-speed, low-power microprocessor as the data processing unit. Data is displayed on a graphic dot-matrix LCD screen with backlight, and membrane keys are used for easy operation. The instrument complies with JJG 393-2018, "Portable Chi- and Gamma Radiation Ambient Dose Equivalent (Rate) Meter and Monitor."
Product parameters
| Radiation type | X, γ |
| Detector | Sodium iodide (NaI) crystal |
| Measurement range | 0.01-200 μSv/h (μGy/h) |
| Display range | 0.001-200.000 μSv/h (μGy/h) |
| Display unit | Sv, Sv/h and Gy, Gy/h switchable |
| Accumulated dose | 0-1000 kSv (kGy) |
| Sensitivity | Greater than 1800 cps/μSv/h |
| Measurement accuracy | ±15% (100 μSv/h, 137Cs) |
| Energy response | 40 keV - 3 MeV |
| Response time | < 1 s |
| Power supply | 4 AA 1.5V batteries |
| Temperature and humidity characteristics | -10°C - +50°C, 95% RH (35°C) |
| Instrument dimensions | 255mm × 220mm × 75mm |
| Instrument weight | 820g (excluding batteries) |
| Instrument usage | Ergonomically designed handle for easy carrying and gripping; included shoulder strap for convenient portability. |
Note:
1. The instrument features a built-in LED fill light for easy inspection in dimly lit environments.
2. The alarm threshold can be set to any value, with audible and visual alarms when exceeding the threshold.
3. The cumulative dose alarm threshold is configurable, and the instrument can be shut down, stored during battery replacement, and reset to zero.
4. Administrators can calibrate the instrument by modifying the scale factor.
5. The display has a backlight.
Application area
This instrument can be used to measure radiation doses near medical radiation equipment, monitor environmental background conditions by environmental protection departments, detect radiation leaks from nondestructive testing (i.e., radiographic testing) equipment, and measure environmental background levels in residential areas near nuclear power plants. It also meets the radiation protection monitoring requirements of various industries, including environmental protection, sanitation, radiographic testing, metallurgy, petroleum, chemical industry, commodity inspection, nuclear and military industries, and customs.
This instrument is an essential measurement tool for organizations using radiation sources and radiation devices applying for radiation safety licenses. Its high sensitivity provides significant assurance for the safety of radiation-exposed workers.
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HUIWEI JF310 Environmental Grade X Ray Dose Rate Meter Images
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