SK 210 offered by NUCLEONIX contains one each of uncalibrated Beta and Gamma reference sources. These are low activity disc sources of the order of 0.1 to 3 micro curie for Beta and Gamma. Gamma source disc is evaporated and sealed on 25mm dia X 5mm thick plastic disc.
Where as Beta source disc is evaporated and sealed on 25mm X 10mm thick plastic disc and covered with 10mg/ sq.cm aluminized Mylar window These radioactive sources offered are from BRIT & are uncalibrated reference sources with an approx accuracy of ± 10% in activity.
This SK 210 is an ideal choice along with G.M. counting system for educational institutions for teaching lab experiments. Source kit containing the disc sources is offered in an acrylic box of dimensions 86mm X 46mm X 25mm (approx).