engleski

Traceability for right angle in Croatian national laboratory for length

Measurement result without defined measurement traceability does not represent valid metrological information. National laboratory for length (HMI/FSB-LPMD), as constitutive part of Croatian Metrology Institute (HMI), has a responsibility to assure traceability using national and first line standards for length, roughness and angle. In HMI/FSB-LPMD traceability for right angle is assured using pentaprism. In production, as a measure of right angle, precision inspection squares are commonly used. This paper describes how metrological traceability chain for squares is assured in HMI/FSB-LPMD, i.e. at national level.

measurement traceability; pentaprism; precision inspection squares

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