FY-II personal dosimeter is a kind of portable individual monitor.
It is mainly used to measure the degree of X ray and gamma radiation field, also used as the radiation monitor for the staff members working in the fields of istope application, gamma irradiation, nondestructive flaw detections with x and gamma rays, x-ray dignosis, accellerators and cobalt soource treatment etc. Having a high sensitivity, the instrument also has a response to the environment etc. Having a high sensitivity, the instrument also have a response to the environment background radiation. By giving sound and flashing alarm signal. When the counter tube is blocked, the instrument can also give a continuous sound and flashing alarm. With low power consumption, small volume and low price, the instrument have been widely used. This instrument have already passed the technical appraisement of the ministerial level.