ANNEX XI

CHAPTER IILength measuring instruments

Operating conditions

2.1.Range

Dimensions and K-factor, where applicable, within the range specified by the manufacturer for the instrument. The ranges of K-factor are given in Table 1:

Table 1

Group

Range of K

Product

I

0 < K < 2 × 10–2 N/m2

low stretchability

II

2 × 10–2 N/m2 < K < 8 × 10–2 N/m2

medium stretchability

III

8 × 10–2 N/m2 < K < 24 × 10–2 N/m2

high stretchability

IV

24 × 10–2 N/m2 < K

very high stretchability