-40%
SBM-20 SBM20 an STS-5 SI22G M4011 Geiger Muller Tube Counter Detector USA Seller
$ 15.81
- Description
- Size Guide
Description
1 piece per orderVery Sensitive Geiger Muller Tube Counter
SBM-20 / SBM20 / СБМ-20 (an. STS-5, SI22G)
for ionizing radiation detection.
Can detect
beta
and
gamma radiation
.
400 V
operating voltage.
105 mm
overall length.
Gold (brass) color.
Symmetric end caps.
Positive terminal is usually marked
‘+’
, but if not, it’s the end closest to the
"CBM-20"
marking.
General Specifications
Gas Filling
Ne + Br2 + Ar
Cathode Material
Stainless Steel, 50 mkm
Maximum Length (mm)
108
Effective Length (mm)
91.0
Maximum Diameter (mm)
11
Effective Diameter (mm)
10
Connector
Pin
Operating Temperature Range
0
C
-60 to +70
Electrical Specifications
Minimum Anode Resistor (meg ohm)
1.0
Recommended Anode Resistor (meg ohm)
5.1
Recommended Operating Voltage (volts)
400
Operating Voltage Range (volts)
350 - 475
Initial voltage (volts)
260 - 320
Plateau length (volts)
at least 100
Maximum Plateau Slope (%/100 volts)
10
Minimum Dead Time (at U=400V, micro sec)
190
Working range (mkR/s)
0.004 - 40
Working range (mR/h)
0.014 - 144
Gamma Sensitivity Ra
226
(cps/mR/hr)
29
Gamma Sensitivity Co
60
(cps/mR/hr)
22
Inherent counter background (cps)
1
Tube Capacitance (pf)
4.2
Life (pulses)
at least 2*10
10
Weight (grams)
10