Media Summary: A useful rugged device made in 1991and sold to the public for testing there food. They use a cadmium foil warped SBM-20 tube. A really interesting little meter from the late 80's. It took a while to work out how to operate it, but it seems to be pretty accurate.
Russian Geiger Counter Dose Indicator - Detailed Analysis & Overview
A useful rugged device made in 1991and sold to the public for testing there food. They use a cadmium foil warped SBM-20 tube. A really interesting little meter from the late 80's. It took a while to work out how to operate it, but it seems to be pretty accurate.
