BS EN 62058-21:2010 pdf download
BS EN 62058-21:2010 pdf download.Electricity metering equipment (a.c.)—Acceptance inspection Part 21: Particular requirements for electro mechanical meters for active energy (classes 0,5,1 and 2 and class indexes A and B).
7 Test record and evaluation
The test results of the sample shall be recorded and evaluated in the inspection sheet given in Table 8 below
NOTE Tesis agreed beween me mariutacurer and me purchaser may be added
For larger sample sizes, several inspection sheets may be necessary. The results shall be evaluated on the last sheet. In this case, in the line Result write Continued on next inspection sheer. The cell lot number can be used for numbering the inspection sheets including test results of a lot.
For double sampling plans, two sets of inspection sheets may be necessary.
This European Standard has been prepared under the mandate M/374 given to CENELEC by the European Commission and within its scope, the standard covers methods for statistical verification of conformity with the metrologecal requirements in connection the Modules F, D and HI.
EN 62058-11 specifies sampling plans, schemes and systems for lot-by-lot inspection by attributes or variables In addition, a test procedure for 100 % inspection is specified, that can be used if the lot size is too small for sampling inspection or when sampling inspection has to be discontinued.
Considering the Part 11, EN 62058-21 specifies particular requirements for electromechanical efectricity meters. Including the tests to be performed, the sampling plans applicable and the performance criteria.
Table ZZ. 1 provides the relationship between the Essential requirements of the MID and the stipulations of the EN 62058 series.
Compliance with this standard provides one means of conformity with the specified essential requirements of the Directives concerned.
WARNING: Other requirements and other EC Directives may be applicable to the products falling within the scope of this standard.