ECOTEST SPECTRA MKS-11GN Operating Manual page 82

1 1 ,


t
t  – the limit of permissible error of stopwatch;
where
с
t 
= 1 s – the error caused by human reaction;
р
t 
= 1 s - the error caused by the process during which the
д
collimator opens.
Turn off the device.
3.2.4.5.7 The device is considered to pass the verification if the
main relative error during gamma radiation DE measurement does
not exceed 15%.
3.2.5 Presentation of verification results.
3.2.5.1 Positive results of periodic or after-repair verification are
certified in the table of Appendix B or by issuing a verification
certificate for the legislatively regulated measurement equipment.
3.2.5.2 If the device is acknowledged unfit for use after its
verification, it gets the inadequacy certificate.
 
 
  
2 2
t t
с р
t
 
 
2
t
д
,
81
(3.11)