Polimaster BDG1-PM1403, Руководство по эксплуатации

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9 Verification method
9.1 Introduction
9.1.1 This verification procedure defines methods and tools of primary and periodic
verification procedure of the dosimeter-radiometer PM1403.
9.1.2 Produced instruments and instruments repaired because of non-compliance of
metrological performance with specification requirements are subject to primary verification.
Instruments in operation are subject to periodic verification.
9.1.3 Verification is carried out by local state metrological services according to current
standards, or by authorized companies.
Verification frequency of instruments in use  12 months.
9.2 Verification procedure operations
During the verification following operations specified in Table 9.1 should be carried out.
Table 9.1
Carrying out at
Operation name
Verification procedure
chapter number
primary
verification
periodic
verification
External examination 9.8.1 Yes Yes
Testing 9.8.2 Yes Yes
Metrological performance
characterization:
- estimation of the photon radiation
DER permissible intrinsic relative error
9.8.3.1,
9.8.3.3,
9.8.3.5
Yes
Yes
Yes Yes
Yes
Yes
- estimation of the neutron radiation
DER permissible intrinsic relative error 9.8.3.7 Yes Yes
- estimation of the photon radiation
DE permissible intrinsic relative error 9.8.3.6 Yes Yes
- estimation of the relative energy
resolution in the scintillation spectra
accumulation mode 9.8.3.2,
9.8.3.4
Yes
Yes Yes
Yes
- estimation of the intrinsic relative
error of the alpha- radiation flux density 9.8.3.8 Yes Yes
- estimation of the intrinsic relative
error of the beta- radiation flux density 9.8.3.9 Yes Yes
9.3 Verification tools
Verification has to be performed with the means of the tools with following characteristics as
specified in the Table 9.2.
Table 9.2
Verification procedure
chapter number at Names of the reference and
auxiliary verification tools
Main characteristics
primary
verification
periodic
verification
Reference verification assembly
with
137
Cs sources set, according
to local government standards
DER measurement range from
0.1 μSv/h to 10 Sv/h.
Accuracy of the assembly
calibration no more than ± 6 % 9.8.3.1,
9.8.3.3,
9.8.3.5,
9.8.3.6
9.8.3.1,
9.8.3.3,
9.8.3.5,
9.8.3.6