Eberline E-520 and HP 260 Geiger counter survey meter radiation detector, works - $265 - (St. John, KS)
Very nice E-520 Geiger counter, much like the Ludlum 14C. Has an internal probe (X 100 scale only) that detects radiation up to 2000 mR/h. The external probe is used on the lower ranges (X 0.01, X 0.1, X 1.0, X 10.0) and detects Alpha, Beta, Gamma and X-Ray radiation up to 200 mR/h or 250,000 CPM. Pictures show its condition and it detecting an old clock dial and its own check source on the side of the can. Uses 2 "D" size batteries (not included). Was last calibrated on 05/06/2014 so its probably still pretty close to being accurate. Should have new calibration for serious use. Does not have a speaker (SK-1) but you can add one easily enough. They can be found on eBay every once in a while. Will ship in medium flat-rate USPS Priority mail box for 2 to 3 day delivery. If you have questions please ask. Thanks for looking.
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From ebay.com - 1 month ago