10
2.2 Technical Specifications
Feature
Description
Detector of gamma and X-ray radiation
Geiger-Mueller counter
Detector of vapors of chemical warfare agents
Ionization chamber with beta source Ni-63,
~ 600 MBq (16 mCi)
Measurement range of the dose equivalent rate
from 1 µSv/h to 10 Sv/h
Indication range of the dose equivalent rate
from 0.01 µSv/h to 13 Sv/h
Main relative dose rate measurement error:
-
for the PM2012M model
-
for the PM2012MA, PM2012MB
models
±
(15+0.02/
•
H
) %,
±
(10+0.02/
•
H
+0.002/
•
H
) %,
where
•
H
– is the measured dose rate value in
mSv/h
Measurement range of the dose equivalent :
-
for the PM2012M model
-
for the PM2012MA, PM2012MB
models
from 1 µSv to 9.99 Sv
from 1 µSv to 14.9 Sv
Main relative dose measurement error
±
15 %
Dose accumulation time
up to 99 999 h (PM2012M, PM2012MA - 1 h
discreteness, PM2012MB – 1 min
discreteness)
Energy range of gamma and X-ray radiation
from 0.06 MeV to 3.0 MeV
Energy response relative to 0.662 MeV (
137
Cs)
no more than
±
30 %
Coefficient of variation of the dose rate
readings at the 0.95confidence probability
no more than
±
10 %
Instrument survives after the dose rate
exposure of
100 Sv/h during 10 min
Display shows “OVL” (overload) and produces
audible alarm.
Battery lifetime
under the normal operating
conditions (audible and visual alarms activated
no longer than 5 min per 24 hours)
no less than 150 h
