Tube: SBT-10A (CБT-10A)
By Radu Motisan Posted on January 26th, 2012 , 2753 Views (Rate 4.05)
Geiger-Muller tube containing 10 separated detectors, and a huge mica windows which allows detection of α, β (hard and soft) and γ radiation. The STB-10 tube is designed to be operated in various PROFESSIONAL radiometric devices. It has very HIGH SENSITIVITY (efficiency of registration) in comparison to other counters.
Exellent readability at only 0.5-1.1uA average per each counter.
Voltage of start of counting - 260-320 V
Operating Current each section (uA) 0.5-1.1
Recommended Operating Voltage 390
Plateau Length/ Inclination - 80V/0.3%/V
Dead time (U=400V, micro sec) 50
Gamma Sensitivity Cs137 (cps/mR/hr) 240
Own Background (Pulses/s) 0,75
Working range (mkR/s) 0.003 – 20
Dimensions: 88mm, 68mm, 38mm