标准号:IS 12761 Pt.3-1989
发布日期:1990/3/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard is applicable to noble gas effluent monitors intended to fulfil the following functions:— the measurement of the concentration of radioactive noble gases in the gaseous effluents at the discharge point and its variation with time;— the actuation of an alarm when a predetermined concentration of noble gases in the gaseous effluent is exceeded.The monitor may also be used for the determination of the total noble gas activity discharge over a given period and/or give information on the composition of a mixture of different gases in the discharge.