Shandong China Coal Industry&Mining Supplies Group
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Chinacoal08
1. for civil construction evaluation of radioactive detection
2. personal dose monitoring alarm
3. industrial X-ray, gamma nondestructive flaw detection, radiation detection
4. radiology site radiation detection
5. cobalt source, electron accelerator irradiation
6. radioactive radiation detection laboratory radiation detection
7. nuclear facilities in the surrounding environment radiation detection
8. soil surface contamination
9. radiation detection
10. ore, building materials, radioactive pollution of agricultural products
1.three separate measurement channels rotate in the same LCD screen display
2.built-in gamma, beta sensitive GM counters
3.automatically adjust the measurement time interval and measurement range
4.sound indicator to measure each of the gamma and beta radiation event particles
5.dose rate sound alarm limit can be set
6.digital display, four battery indicator.
7.two AAA batteries
8.shockproof housing, compact design
1.Gamma radiation dose equivalent:0.01μSv-999.9mSv
2.Beta-particles surface radiation density:10-100 000;
3.Gamma radiation:0.05~3.0; ±25%MeV
4.Beta radiation:0.5~3.0;MeV
5.Temperature range: -10~+50°C
6.Size:120x52x26(mm)
7.Weight:0.2kg
Name | Unit of measurement | Standardized values according to theTD |
Measurement range of photon-ionizing radiation EDR | mSv/h | 0.1-999.9 |
Main relative permissible error limits of gamma radiation EDR measurement with 0.95possibility | % | +/-(25+2/D),D- is a numerical value of EDR measurement in mSv/h |
Measurement range of gamma radiation ED | mSv | 0.001-99.99 |
Main relative permissible error limits of gamma radiation ED measurement with 0.95%possibility | % | +/-25 |
Energy range of registered gamma radiation | MeV | 0.05-3.00 |
Energy response of the dosimeter readings at gamma radiation EDR and ED measurement in the energy range from0.05 to1.25MeV | % | +/-25 |
Beta-particles flux density range with possible evalution of surface contamination by beta radio nuclides | Part./(cm2-min) | 10-10.5 |
Registered beta-particles energies range | MeV | 0.5-3.0 |
Time of continuous operation of the dosimeter from batteries(“Energizer”AAAx2of1280mA-h capacity)at natural background radiation,not less than | hrs | 6000 |
Dimensions of the dosimeter,not more than | mm | 55x26x120 |
Weight of the dosimeter,not more than | kg | 0.2 |