Detection unit BDZB-100L is intended for measuring the level of pollution of surfaces polluted by beta- active substances.
Output signal is a sequence of normalized, statistically distributed pulses, contains measurable data about density value of the flow of beta radiation where the block is located.
|Area of the detector sensitive surface, cm2||
(0,3±0,05) imp∙s-1 for 1 min-1∙sm-2
|Energy range of the registered beta-emission, MeV||
from 0,12 to 3,0
|Registration efficiency (2π)*, %||
|Own background, с-1||
|Type of the detector||
Geiger-Muller Counter, SI-8B
|Upper limit of the measured density of beta-emission flow*, min-1·sm-2||
|Sensitivity to background gamma-emission,||
No more than 5,0 imp∙s-1 for 1 mk3v/h
|Overall dimensions, mm||
Ø 88 х 80
|Connecting cable length, m||
|Note* – emission of 90Sr+90Y radionuclides|
Power supply – DC voltage from 7.0 to 12,6 Vv. The consumed current is not more than 30 mA.
Designation of the joint contacts (plug RS -10) of the block.
|1||+ Uп||7,0 – 12,6 В|
|4||Output||rectangular pulses with duration of (1,5±0,5) mks
00 – Negative; amplitude – 5 В
01 – Positive; amplitude – 5 В
02 – Negative; amplitude – U пит
03 – positive; amplitude – U пит.
|9||┴||Screen is connected to contact 10|
|10||┴||General is connected to contact 9|