I just got my hands on a new batch of Geiger tubes, all shiny brand new SBM-20U tubes.
These will be used for the next set of uRADMonitor dosimeters, in parallel with the SI29BG tubes that were also used. The network is expanding constantly. Most of these tubes will be used with the new PCBs manufactured and assembled in China - I'll post pics soon.
More details here: The Geiger Tubes
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