Detectors - Geiger-Muller tubes |
6 pc. |
Absorbed gamma radiation measuring range in air |
2.5×10-8 - 10 Gy/h |
Relative intrinsic measurement error
of absorbed dose rate |
not more than ± 15 % |
Detected gamma radiation energy range |
50 keV - 1.5 MeV |
Energy response respect to137Cs |
not more than ± 30 % |
Sensitivity |
90000 cnt/µGy |
Response time to dose rate change
if dose rate is not less than 0.01 mGy/h
and variation coefficient is ± 15 % |
not more than 10 s |
Interface |
RS 485 |
Reading instability for 24 h |
not more than 5 % |
Operatrion mode setup time |
not more than 2 min |
Power |
from 8 to 25 V |
Consumed power at background measuring |
not more than 1 VА |
Opearating temperature range |
-35 - +50°С |
Relative humidity at the temperature of 40°С or less
without moisture condensation |
up to 100 % |
Atmospheric pressure |
from 84 to 106.7 kPa |
Sine vibrations |
in frequency range |
5 - 35 Hz |
with bias amplitude |
0.35 mm |
Average mean-time-between-failures |
not less than 20000 h |
Average service life |
not less than 6 years |
Average life time |
not less than 1000 h |
Dimensions |
|
diameter |
127 mm |
height |
503 mm |
Weight |
not more than 2.7 kg |