4
1.2 Specifications
Detector
CsI(Tl) Scintillator
Sensitivity for
137
Cs , not less
100 s
-1
/(µSv/h)
Count rate range
1 - 9999 s
-1
Energy range
0.06 to 3.0 MeV
Variation of the energy response relative to the
typical one (Annex A), no more
- 25 %
Range of coefficient n (number of mean square
deviations)
1 to 9.9
Relative intrinsic error of count rate measurement
in range from 10 to 9999 s
-1
±
35 %
False alarm rate, not more
0.1 min
-1
Detection of a source moving at 0.2
±
0.005 m
distance and 0.5
±
0.05 m/s velocity (background
not more than 0.25 µSv/h)
55 kBq
133
Ba
Additional relative intrinsic error of count rate
measurement:
-
temperature and humidity variations from
normal to high
-
temperature variations from normal to low
(-15
o
C)
- extreme values of supply voltage
±
40 %
±
10 %
±
10 %
PC communication
Download data and upload
instrument set up via IR interface
Environmental:
Temperature range
Relative humidity
From -30 to +50
°
С (LCD: -15 to
+50
°
С)
up to 95 % at 35
°
C
The instrument withstands
- RF Electromagnetic Fields:
1) 10 V/m in frequency range from 80
to 1000 MHz;
2) 30 V/m in frequency range from 800
to 960 MHz and from 1400 to
2500 MHz;
- DC and AC Magnetic Fields up to
400A/m;
- Multiple Shocks with acceleration
100 m/s
2
;
- Sine Vibrations in frequency range
from 10 to 55 Hz with acceleration
49 m/s
2
;
- Electrostatic Discharges 8 kV (air
discharge), 6 kV (contact discharge)
