45
3.2.4.3.4.1 Click
the
Restart
button
in
the
Terra_Demo.exe window and then wait for a color change
of gamma DER measurement results display from gray to
black. Run five measurements of background gamma
radiation DER at 5 s intervals in the room and record the
obtained results in the report. Calculate the mean value of
gamma radiation DER.
3.2.4.3.4.2 Calculate the actual value of gamma
radiation DER,
*
H
(10), µSv/h, by formula:
)
10
(
)
10
(
)
10
(
*
*
*
Ф
H
H
H
(3.2)
where
)
10
(
*
H
– the average value of the detector
readings from the source and external gamma
background, µSv/h;
)
10
(
*
Ф
H
– the average value of the detector readings
when external gamma background is measured, µSv/h.
Summary of Contents for Gamma Sapiens
Page 1: ...UDKG 01A UDKG 01APro Gamma Sapiens INTELLECTUAL GAMMA RADIATION DETECTOR Operating manual...
Page 2: ......
Page 21: ...17 Figure 1 UDKG 01APro Gamma Sapiens intellectual gamma radiation detector...
Page 22: ...18 Figure 2 UDKG 01A Gamma Sapiens intellectual gamma radiation detector...
Page 70: ...66...
