Search found 4 matches

by dexterslab
Wed Sep 23, 2015 2:05 am
Forum: Geiger Counter
Topic: Geiger Kit working at 1300V
Replies: 4
Views: 17286

Re: Geiger Kit working at 1300V

interesting mod

are you planning to use it with photomultipliers for scintillation?
by dexterslab
Sat Jan 17, 2015 1:00 am
Forum: Geiger Counter
Topic: Mullard MX145
Replies: 2
Views: 11212

Re: Mullard MX145

Thanks for sharing this. Are the Mullard tubes common? I've never seen one before! Mine is the first mullard i have seen too so quite rare i would say. its from an environmental monitor that was used in Trawsfyndd Nuclear Power Station in North Wales, UK before it was decommissioned in the 1990s. I...
by dexterslab
Thu Jan 15, 2015 11:10 am
Forum: Geiger Counter
Topic: Mullard MX145
Replies: 2
Views: 11212

Mullard MX145

Thought some of you might be interested in this; i recently acquired a british made Mullard MX145 GM tube and is working just fine on my mighty ohm counter. It's Gamma only so my sample of Fiestaware only makes a small difference to the counts but i'm typically seeing 150-200CPM background using thi...
by dexterslab
Sun Feb 10, 2013 8:03 am
Forum: Geiger Counter
Topic: Kit built and working
Replies: 1
Views: 7300

Kit built and working

Received my kit on friday, was built and working in about an hour with no problems Great kit, it should be a nice upgrade over my little Russian DRSB-88 pocket detector. Always fancied making a datalogger and this would be perfect. I would say though some of the solder pads where a little small in r...