Lot · Radiation Detectors
Wm. B. Johnson GSM-10S Survey Meter With End Window Probe
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Sat · Jul 4, 2026
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Condition
Used
Condition tiers
New
Used
Refurbished
Damaged
Unspecified
Ships from
ZIP 321**
vaugat_0
75 ratings · 100.00% positive
Description
From the sellerThis is a working Johnson GSM-10S included with an end window probe. It is calibrated to CPM, and is accurate. Everything works, and is in nearly mint condition. The only issue is corrosion on the battery terminals. It does not affect operation. I tried removing the corrosion but it’s really packed in there. The end window probe is not popped, and is also in very good condition. Message me for any questions!
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