Description: GEIGER COUNTERCHECK SOURCEWeight: 4.0 oz. 4552. cpm $18.00plus $8.50 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. Note that geiger response-levels below6,000 CPM are regarded as low-level. LUDLUM is the prestige company inthe geiger world. Its like AIRSTREAMTRAILERS: Inflation of the price isstronger than price depreciation, soresale prices keep increasing gradually. Note that geiger response-levels below6,000 CPM are regarded as low-level. 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 ! $18.00 plus $8.50 shipping ================================Stephen Buggie, Ph.D.Professor EmeritusUniv. of New Mexico, GallupGallup NM 87301-6979
Price: 18 USD
Location: Gallup, New Mexico
End Time: 2024-11-25T02:43:28.000Z
Shipping Cost: 8.5 USD
Product Images
Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 60 Days
Refund will be given as: Money Back
Brand: for geiger counter
Unit Type: Unit
Bundle Description: for Ludlum geiger
Model: None
MPN: None
Country/Region of Manufacture: United States
Unit Quantity: one only
Radiation Detector Type: Geiger Counter
California Prop 65 Warning: None
