See II.2.4
This assignment includes the supply and installation (with training) of gas flow counters as well as the preventive and curative maintenance during the lifetime of the appliances. The purpose of devices is to measure solid samples (filters, nose snout samples, etc.) on total alpha and beta activity up to low activity levels with a minimum capacity of 10 samples at a time or to determine the total alpha and beta activity in liquid samples (activity concentrations from 1 Bq/l to 1E+08 Bq/l) with a minimum capacity of 4 samples at the same time.
The maximum quantity of appliances to be purchased under the framework agreement is 7.