Update3:
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.


Sample of Ra226
- Old ZSRR military compass -

Small and relatively safe (tight sealed in metallized foil pouch) "hot" check source
for testing Geiger counter, science fair experiments etc.


one sample average "temperature":  ~60 SI base unit.


Shipping in safe package, from EU.


tags: beta ray source , gamma ray source , alpha particle source , alpha ray source, 226Ra , ion chamber checker , dosimeter , radiometer , geiger counter check source, geiger counter test source

"RarTEC R&D RCS-9010"