Metrologi och mätning. Fysikaliska fenomen

Kommittébeteckning: SIS/TK 507/AG 06 (ISO GPS - Mätteknik och Ytstruktur)
Källa: CEN
Svarsdatum: den 13 mar 2024
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This document provides the most important design and metrological characteristics of two-point inside micrometers for internal measurement: — with a scale interval of 0,001 mm and 0,01 mm; — with analogue or digital indication. It applies to two-point inside micrometers with and without interchangeable rods. This document does not apply to micrometers fitted with a dial gauge, or to jaw micrometers. Three-point inside micrometers are excluded from this document and are covered by the part 2 of this document.

Kommittébeteckning: SIS/TK 440 (Laboratorieutrustning)
Källa: CEN
Svarsdatum: den 18 mar 2024
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The main changes are as follows:

— a gravimetric test method was added (see 8.2);

— a photometric/gravimetric hybrid test method was added (see 8.5);

— a batch testing method was added (see 8.7);

— measurement procedures for all methods are given in normative Annexes A to E;

— standard dispense procedures for POVA described in ISO 8655-2, ISO 8655−3, ISO 8655−4,

ISO 8655−5, and ISO 8655−9 were added (see Clause 9);

— requirements for operator qualification have been added (see 4.3);

— requirements for testing of multi-channel POVA is described in more detail, with specific procedures

given for these apparatus (see 8.5, and Annex D);

— Annexes A, B, and C of the first edition have been deleted and replaced.