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Take five measurements of background DER (
with 10 s interval in thirty minutes after the dosimeter is switched on.
Calculate the average DER value in μSv/h by the formula
5.2.7.4.3 Place the УПГД-3Б carriage together with the phantom and
the dosimeter in the position, where DER from the source with
H
radionuclide is
with 10 s interval in thirty minutes after irradiation of the dosimeter was
started. Calculate the average DER value (
Calculate the DER value without gamma background DER of the УПГД-
3Б by the formula
10
=
=
i
1
H
(
10
)
pф
= (8±1) μSv/h. Take five measurements of DER
(
10
)
p
0
=
H
(
10
)
H
(
10
)
p
p
H
(
10
)
рфі
5
H
(
10
p
−
H
(
10
)
pф
61
H
) in УПГД-3Б
(
10
)
рфі
by the formula (5.1).
)
(5.2)
(5.1)
137
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