other great science gear:
alpha,beta,gamma sensitive tube (LND712) https://www.ebay.com/itm/314534851121


Item fully in comply with Nuclear Regulatory Commission Definition of Exempt Quantities
 (from the Introduction to Ex-empt Consumer Product Uses, NRC 10 CFR 30) - safe to own, use and transport.


Offered product:

Small and safe "hot" check source for Geiger counter, gamma spectrometer, science fair show etc.

Contains naturally occurring U isotope and products of decay.


Approximate point source, great for testing any Geiger tube!


Shipping in safe package, from EU.


tags: beta ray source, gamma ray source, alpha particle source, alpha ray source, ion chamber checker, test source, radioisotope, dosimeter, radiometer, geiger counter check source, check source, test sample, geiger counter test source , geiger counter test card

"RarTEC R&D RCS-03"