Operating manual ВІСТ.418266.006-03 НЕ
17
3.2.4.3.11 Calculate the limit of relative residual bias of measurement results by the formula:
2
0
*
2
0
*
0
*
*
2
)
10
(
)
10
(
)
10
(
)
10
(
1
,
1
+
−
=
H
H
H
H
(3.5)
where
)
10
(
0
*
H
- is a limit of basic relative permissible error of gamma radiation DER of
УПГД-3В.
3.2.4.3.12 If
8
.
0
S
, then
100
)
10
(
*
=
H
.
3.2.4.3.13 If
8
S
, then
100
)
10
(
*
=
H
.
3.2.4.3.14 If
8
8
.
0
S
, then
100
)
10
(
*
=
S
K
H
,
where
К
– is a coefficient that depends on the ratio of random errors and residual bias, and is
calculated by the formula:
3
+
+
=
S
K
,
(3.6)
S
Σ
– a total standard mean-square deviation of measurement results is estimated by the
formula:
2
2
3
+
=
S
S
(3.7)
3.2.4.3.15 Place the УПГД-3В carriage with the detecting unit in a position, where gamma
radiation DER from
137
Cs source equals to
)
10
(
0
*
H
= (8.0
1.0)
µSv/h. Perform the operations
3.2.4.3.7 - 3.2.4.3.14 of the OM with the difference that measurement results should be taken after
the probable value of measured gamma radiation DER appears in the
MEASURED RATE
zone of
the bdbg.exe program window. Value probability is indicated by gamma radiation DER
measurements in black color.
3.2.4.3.16 Place the УПГД-3В carriage with the detecting unit in a position, where gamma
radiation DER from
137
Cs source equals to
)
10
(
0
*
H
= (80.0
10.0)
µSv/h. Perform five
measurements of gamma radiation DER with 10 s interval after the probable value of measured
gamma radiation DER appears in the
MEASURED RATE
zone of the bdbg.exe program window.
Value probability is indicated by gamma radiation DER measurements in black color. Register the
results in the protocol, and perform operations 3.2.4.3.9 - 3.2.4.3.14 of the OM.
3.2.4.3.17 Perform operations 3.2.4.3.16 of the OM for gamma radiation DER from
137
Cs
source with the value of
)
10
(
0
*
H
= (800
100) µSv/h.
3.2.4.3.18 Perform operations 3.2.4.3.16 of the OM for gamma radiation DER from
137
Cs
source with the value of
)
10
(
0
*
H
= (8
0.1) mSv/h.