ECOTEST DKG-21 Operating Manual page 67

Personal gamma radiation dosimeter
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=
H
(
10
)
1
1 ,
p
=
where
H
(
10
)
p
0
=
H
(
10
)
p
0
of DE of УПГД-3Б equipment;
( )
1
1 .
t
с
=
t
of DE exposure time measurement that should not exceed 5 %;
t 
- permissible error limit of the stop-watch;
с
t 
= 1 с - error caused by response of a user;
р
t 
= 1 с - error caused by the process of placing the source into the
д
collimator.
H
(
10
)
H
(
p
p
0
H
(
10
)
p
0
- DE of УПГД-3Б equipment;
H
(
10
)
t
p
0
(
)
( )
2
+
H
(
10
)
p
0
( )
( )
+
+
2
2
2
t
t
р
д
t
2
10
)
H
(
10
 
+
p
0
2
2
- main relative permissible error limit
t
- main relative permissible error limit
65
2
)
,
(5.3)
 

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