Taken out of working, decommisioned military Geiger counter - may have some bumps/scratches but in perfect working order.
Perfect for a DIY project
Spec: Approx. weight 9 grams Minimum Anode Resistor 1.0 MOhm
Recommended Anode Resistor 5.1MOhm
Recommended Operating Voltage 400V
Operating Voltage Range 350 – 475V
Initial voltage 260 – 320V
Plateau length at least 100 V
Maximum Plateau Slope 10 (%/100 volts)
Minimum Dead Time 190
Working range 0.004 - 40 mkR/s
Working range 0.014 - 144 mR/h
Gamma Sensitivity Ra226 29 cps/mR/hr
Gamma Sensitivity Co60 22 cps/mR/hr
Inherent counter background 1 cps
Tube Capacitance 4.2 pf
Life (pulses) at least 2*1010
Gas Filling Consist Of Ne + Br2 + Ar
Cathode Material: Stainless Steel, 50 mkm
Maximum Length 101 mm, Effective Length 83.5 mm
Maximum Diameter 11 mm, Effective Diameter 10 mm
Operating Temperature Range from -60 to +70 C
Areal Density 40 mg/cm2
Thickness 0.05 mm
Condition:Seller refurbished
Condition:Taken out of working, decommisioned military Geiger counter - may have some bumps/scratches but in perfect working order.