I actually don't know if it used, but it comes without original package and without datasheet, so sale as used. Have test germetic of tube - ok. Working not tested, I don't have equipment, but if it will work not right - will refund, noproblem.


Technical Characteristics

Working Voltage        360-440V
Plateau Inclination  0.3%/V
Max. working current  18.2 mkA
Max. counting speed    3400 pulses/sec
Efficiency of logging Beta   50-85%
Own Background   2 Pulses/s
Diameter 75mm
Working Temperature Range -50 +65 С