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FJ-310B Environmental Grade X Gamma Dose Rate Meter
The FJ-310B Environmental Grade X Gamma Dose Rate Meter utilizes NaI crystal as detector, combined with photomultiplier tube and high-speed, low-power micro processor as data processing unit. Features backlight pattern dot matrix LCD display and film button operation for simple, intuitive use.
Technical Specifications
Parameter
Specification
Radiation Type
X, γ
Detector
Sodium iodide NaI (Tl) crystal
Measuring Range
0.01-200 μSv/h
Display Range
0.001-200.000 μSv/h
Display Unit
Sv and Gy can be switched
Cumulative Dose
0-1000kSv
Sensitivity
Greater than 1500 cps/μSv/h
Accuracy
±15% (100μSv/h, 137Cs)
Energy Response
40keV - 3 MeV
Response Time
< 1 second
Power Supply
4 AA 1.5V (No.5) batteries
Temperature Range
-10℃ to +50℃
Humidity
RH95% (35℃)
Instrument Size
210mm × 180mm × 110mm
Weight
Approximately 1.3kg
Key Features
LED fill light for detection in dim environments
Adjustable alarm threshold with audible and visual alerts
Cumulative dose alarm threshold setting
Accumulated dose storage during shutdown and battery changes
Accumulated dose can be cleared to zero
Manager calibration capability via scale factor modification
Backlit screen display
Ergonomic design with handle and straps for easy carrying
Applications
This instrument is suitable for radiation dose detection near medical radiation equipment, environmental background monitoring by environmental protection departments, non-destructive testing equipment radiation leakage detection, and environmental background measurement in residential areas near nuclear power plants. It meets radiation protection monitoring requirements in environmental protection, health, flaw detection, metallurgy, petroleum, chemical industry, commodity inspection, nuclear military industry, customs, and other industries.
Compliance & Certification
This instrument is a necessary lateral measurement instrument for radiation safety permit applications by users of radioactive sources and radiation devices. With high sensitivity, it provides significant safety assurance for radioactive workers. Instrument implementation standard: JJG521-2006 "χ, γ air kinetic energy (Absorbed dose) rate instrument for environmental monitoring".
HUATEC Group is a reliable manufacturer and supplier of testing instruments in Beijing China. HUATEC Group combines all the R/D and production advantage of all its own subsidiaries, takes advantage of its years marketing and sales experience in global market, contributes to offering most qualified...
HUATEC Group is a reliable manufacturer and supplier of testing instruments in Beijing China. HUATEC Group combines all the R/D and production advantage of all its own subsidiaries, takes advantage of its years marketing and sales experience in global market, contributes to offering most qualified...
