ECOTEST DoseG Operating Manual page 140

1 1 ,


t
t 
where
с
stopwatch;
t 
= 1 s – error caused by human
р
reaction;
t 
= 1 s – error caused by the process
д
during which the collimator opens.
 
 
  
2
t t
с р
t
– permissible error limit of the
138
 
 
2 2
t
д
, (3.9)