Non-destructive Testing - Evaluation of vision acuity of NDT personnel (ISO 18490:2015)
This International Standard specifies the form of the optotype, the quality requirements for the chart, the test procedure, and the acceptance level for near vision acuity of NDT personnel. It also addresses the qualification requirements for personnel permitted to carry out the test.
ΚΩΔΙΚΟΣ ΠΡΟΪΟΝΤΟΣ:
CYS EN ISO 18490:2015
This International Standard specifies the form of the optotype, the quality requirements for the chart, the test procedure, and the acceptance level for near vision acuity of NDT personnel. It also addresses the qualification requirements for personnel permitted to carry out the test.
