GEIGER COUNTER CHECK SOURCE 4.4 OZ WEIGHT $20.00 + $8.00 SHIPPING

Description: GEIGER COUNTERCHECK SOURCEWeight: 4.4 oz. 9923. cpm $20.00plus $8.00 Ground Advantage shipping The CPM measurement was done with aLudlum 2200 geiger, the most accurateinstrument available to "rockhound" hobbyists.A standard Ludlum 44-9 pancake probewas used for the measurement. Both the2200 geiger and the 44-9 pancake probewere 100% MADE IN USA. The rock-specimen was found at Jurassic Canyon,NM, 18 miles NW from Grants NM. LUDLUM is the prestige company inthe geiger world. Its like AIRSTREAMTRAILERS: Inflation of the price isstronger than price depreciation, soresale prices keep increasing gradually. A geiger check-source is a precisely measuredstimulus, used for assessing the measurement accuracy of one's geiger counter instrument. If your geiger probe is a standard pancakeprobe, then it is expected that your measurementof this rock should be within 10% of the valuestated in this ad. If your measurement differsfrom the stated CPM value by more than 10%,then the geiger should be recalibrated. Othertypes of probes, such as side-window or end-window probes, are less sensitive than pancakeprobes, so their measurements will be smaller values. SUGGESTION: Look at my other ads also.If you buy several of my items, then anyoverpayment on combined shipping costwill be REFUNDED to you. I also instructthe Ebay shipping label software to showthe actual postage cost on the shippinglabel; very few other Ebay sellers do this ! $20.00 plus $8.00 shipping ================================Stephen Buggie, Ph.D.Professor EmeritusUniv. of New Mexico, GallupGallup NM 87301-6979

Price: 20 USD

Location: Gallup, New Mexico

End Time: 2024-11-30T17:18:56.000Z

Shipping Cost: 8 USD