Measurement range of photon-ionizing radiation DER |
0.1 … 2·106 μSv/h |
- Main relative permissible error limit of DER measurement with 0.95 % confidence probability:
- – in precise measurement mode
- – in search mode
|
- (15+2/H*(10)) %
- (25+2/H*(10)) %
- where H*(10) is a numeric value of measured DER in µSv/h
|
Measurement range of photon-ionizing radiation DE |
0.001 … 9 999 mSv |
Main relative permissible error limit of DE measurement (DER from 0.1 to 1·104 μSv/h) with 0.95 % confidence probability |
± 15 % |
Energy range of detected photon-ionizing radiation |
0.05 … 3 MeV |
Energy dependence of the dosimeter readings at photon-ionizing radiation DER and DE measurement within the preset energy range, not more |
± 25 % |
Measurement range of surface beta particles flux density |
5 … 100 000 part./(cm²·min) |
- Main relative permissible error limit of surface beta particles flux density measurement with 0.95 % confidence probability:
- – in precise measurement mode
- – in search mode
|
- (15+200/φβ) %
- (25+200/φβ) %
- where φβ is a numeric value of measured surface flux density in part./(cm²·min)
|
Energy range of detected beta particles |
0.15 … 3 MeV |
Operating supply voltage of the dosimeter from the storage battery (four AA type NiMH batteries) |
4.8 V |
Additional relative permissible error limit during measurement caused by supply voltage variations from 5.2 to 4.2 V |
± 5 % |
Additional relative permissible error limit during measurement caused by ambient air temperature variations from minus 25 to + 55 °С |
± 5% per each 10 °С deviation from 20 °С |
Time of operating mode setting, not more |
2 min |
Battery lifetime (storage battery of 2 700 mАh capacity) at natural background radiation and switched off display backlight, not less |
400 hours |
Unstable readings of the dosimeter during 6 hours of continuous operation, not more |
± 10 % |
Operating temperature range |
– 25 … + 55 °С |
Length of the folded telescopic rod |
43 cm |
Length of the unfolded telescopic rod |
143 cm |
Weight of a telescopic rod |
0.42 kg |
Weight and dimensions of the dosimeter’s control panel, not more |
|
Weight and dimensions of the gamma radiation remote detecting unit, not more |
|
Weight and dimensions of the beta radiation remote detecting unit, not more |
|