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Table 1.1 (continued)
7 Operating supply voltage range of the detecting
unit from external regulated power supply
8 Consumption current of the detecting unit for
overall range of measured gamma radiation DER, not
more than
9 Setup time of operating mode and measurement
time of the detecting unit, not more than
10 Unstable readings of the detecting unit for a
24-hour continuous operation, not more than
11 Complementary permissible error limit of
measurement caused by ambient temperature change
o
from - 40
C to +50
12 Interface
13 Dimensions of the detecting unit without fastening
elements, not more than
14 Weight of the detecting unit without fastening
elements, not more than
1.2.2 Use environment
1.2.2.1 Concerning the resistance to climatic and other environmental factors, the detecting
unit meets the requirements outlined below.
1.2.2.2 The detecting unit is resistant to the influence of the following climatic factors:
- air temperature from – 20
- relative humidity up to 100 % at 40
condensation;
- atmospheric pressure form 84 kPa to 106.7 kPa.
No requirements to other climatic factors.
1.2.2.3 The detecting unit is resistant to sinusoidal vibrations
1.2.2.4 The detecting unit is tolerant to shocks with the following parameters:
- shock pulse duration – from 5 ms to 10 ms;
- number of shocks – 1000±10;
- maximum shock acceleration – 100 m/s
1.2.2.5 The detecting unit in a shipping container is resistant to the influence of:
- ambient air temperature from - 40
- relative humidity up to (95 3) % at 35
- shocks with acceleration of 98 m/s
1000±10.
1.2.2.6 The detecting unit withstands constant or alternating (50 Hz1 Hz) magnetic fields
of 400 A/m voltage.
1.2.2.7 The detecting unit is immune to gamma radiation of exposure dose rate equal to
equivalent dose rate up to 100 Sv/hour during 5 min.
Name
o
C
о
о
С to 40
С;
о
С to 60
, shock pulse duration of 16 ms, and number of shocks –
2
Unit of
measurement
V
mA
min
%
%
-
mm
kg
о
С temperature and lower temperatures with humidity
2
.
о
С;
о
С temperature;
4
Standardized
value according
to the
specifications
7 - 32
30
3
5
5
per each 10
deviation from
(20 ±5)
С
0
RS-485
60х60х170
0.5
.
о
С
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