The SIM series of small items contamination monitors are devices for monitoring small objects that may be contaminated by gamma radionuclides. The measured objects are inserted into a shielded measuring chamber.
Standard chamber volumes available are 17 L, 27 L and 101 Ll. Two to six smart
scintillation detectors are used as standard.
2.7 nCi (100 Bq) of 137Cs