SI-16bg
l.i.papadopol
This is equivalent to SBM20 Tech. spec.: ·Radiation determine: beta ( > 0.25 MeV) ; gamma soft/hard ·Voltage of start of counting: 280 – 330 V ; ·Operating voltage (recommended):…
Febbraio 2018
AC-1 High-sens β-selective Geiger counter
This tube is very hard to find. It’s made from alluminium and glass and is a β-selective Geiger counter. It’s counts only beta’s! Tech. spec.: ·Radiation determine: (β-) beta soft/hard…
SBM-21 Micro geiger tube
This is the smalles geiger tube I could find. It’s so cute but… so insensitive to the background. It’s a good tube to build around it a personal dosimeter. It’s…