FJ-310B Industrial Radiation Survey Meter High Sensitivity Environmental Radiation Dose Tester
The instrument uses NaI crystal as detector, combined with photomultiplier tube, high-speed, low-power micro processor as data processing unit, data display with backlight pattern dot matrix LCDLCD screen, the use of film buttons for operation, simple operation.
Technical parameter:
| 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 s
|
| Power supply |
4 AA1.5V (No.5) batteries
|
| Temperature and humidity characteristics |
-10℃-+50℃, RH95%(35℃)
|
Instrument size: 210mm×180mm×110mm
Weight: about 1.3kg Handle easy to carry/hold, ergonomic design; With straps, easy to carry.
The instrument comes with LED fill light for easy detection in dim environment. The alarm threshold can be arbitrarily set, and the audible and visual alarm can be exceeded.
Accumulated dose alarm threshold can be set, with shutdown, battery change accumulated dose storage function, accumulated dose can be cleared to zero.
Managers can calibrate instruments by modifying scale factors.
Screen display, backlit.
This instrument can be used for radiation dose detection near medical radiation equipment, environmental protection departments to detect environmental background conditions, non-destructive testing (that is, X-ray detection) equipment whether there is radiation leakage, and environmental background measurement of residential areas near nuclear power plants. At the same time, it can meet the requirements of radiation protection monitoring in environmental protection, health, flaw detection, metallurgy, petroleum, chemical industry, commodity inspection, nuclear industry, customs and other industries.
This instrument is a necessary lateral measurement instrument for the application of radiation safety permit by the users of radioactive sources and radiation devices. The equipment has a high sensitivity, which can provide a great guarantee for the safety of radioactive workers. The instrument implementation standard is JJG521-2006 "χ, γ air kinetic energy (Absorbed dose) rate instrument for environmental monitoring".
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