|
Detector
|
proportional counter |
|
Energy range
|
15 KeV – 3.5 MeV (β particles) |
|
α-radiation flux density measurement range
|
from 1.0 to 5∙105 min-1cm-2 |
|
β-radiation flux density measurement range
|
from 10.0 to 106 min-1·cm-2 |
|
α-radiation flux density accuracy
|
| within range from 1.0 to 5∙105 min-1·cm-2 |
± (20 + А/φ) %, where А – coefficient equal to 10 min-1·cm-2; φ – measured density of α radiation flux |
|
|
β-radiation flux density accuracy
|
| within range from 10,0 to 106 min-1·cm-2 |
± (20 + А/φ) %, where А – coefficient equal to 100 min-1·cm-2; φ – measured density of α radiation flux |
|
|
Instrument sensitivity
|
| α radiation (239Pu) |
not less than 3.0 impulses∙cm2 |
| β radiation (90Sr+90Y) |
not less than 2.0 impulses∙cm2 |
|
|
Sensitivity to α-radiation (for Pu-239)
|
not less than 3.0 impulses·см2 |
|
Sensitivity to β-radiation
|
not less than 2.0 impulses·см<sup>2</sup> |
|
Data transfer
|
RS-485 or USB interface |
|
Dimensions
|
71х45х130 mm |
|
Weight
|
0.45 kg |
|
Ingress protection
|
IP64 |
|
Drop test on concrete floor
|
0.7m |
|
Mean recovery time
|
60 min |
|
Mean service lifetime
|
10 years |
|
Atmospheric pressure
|
from 84 to 106.7 kPa |
|
Operating temperature
|
from -20 to +50 °С |
|
Humidity
|
up to 95 % at 35 °С |
|
Supply voltage
|
3.7 V (- 0.1; + 0.5) V |
