An ALNOR, Model RAR-101R, alarming, personnel dosimeter. The dosimeter, which is 6.5 cm wide by 11.5 cm long by 2 cm thick, can be used to measure both total dose and dose rate. The range for dose is 0-1000 R while the dose rate range is 0-300 R/h. The unit, which has an adjustable alarm setting, was manufactured in Finland by the Rados Corporation and was used at the Chalk River site for radiation dose control.
