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Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 0
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 1
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 2
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 3
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 4
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 5
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 6
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 7
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 8
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 9
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 0
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 1
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 2
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 3
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 4
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 5
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 6
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 7
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 8
Wm. B. Johnson GSM-10S Geiger counter Survey meter with pancake probe, works, NR, US $250.00 – Picture 9

Wm. B. Johnson Gsm-10s Geiger Counter Survey Meter With Pancake Probe, Works, Nr

US $250.00

  • Saint John, Kansas, United States
  • Mar 11th
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Used GSM-10S counter with pancake probe, detects Alpha, Beta, Gamma and X-Ray.  Uses 2 "D" batteries (not included).  Schematics and maintenance instructions are available on the internet.  Second picture shows it reading an Alpha source (Americium 241).  Battery life approximately 200 hours.  Ranges X1, X10, X100 and Batt check.  Calibration tag had been removed and it has some markings still left on it that would not come off with Windex.  All functions including the speaker were working when tested.  Compare to other units on eBay ranging from $280 to $650.  I ship same day (if paid for before post office closes).  
Condition:
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. ...
Brand Johnson
Type Survey Meter Geiger Counter
Model GSM-10S
Country/Region of Manufacture United States

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