ECOTEST MKS-05 TERRA Operating Manual page 121

Place the УПГД-3В carriage together with the dosimeter in the
position, where DER from
Record the initial DE value and simultaneously switch on the stop-watch.
Read the DE measurement result after 60 minutes (according to the
stop-watch) of irradiation, subtract the DE initial value, calculate the main
relative error of measurement in percentage, and register these values in the
protocol.
Place the УПГД-3В carriage together with the dosimeter in the
position, where DER from
Record the initial DE value and simultaneously switch on the stop-
watch. Read the DE measurement result after 30 minutes (according to the
stop-watch) of irradiation, subtract the DE initial value, calculate the main
relative error of measurement in percentage, and register these values in the
protocol.
Place the УПГД-3В carriage together with the dosimeter in the
position, where DER from
137
Cs source is 80 µSv/h.
137
Cs source is 800 µSv/h.
137
Cs source is 8000 µSv/h.
120