Force measuring (a) Compression Calibrate against BS EN ISO 7500: Part 1 1 Should not exceed UKAS Yes
devices testing machines 1 year
Check rate of loading and that compression 3 Annual In-house No
Platens or cages meet the specifications given
in the relevant test standard or method.
(b) Tensile Calibrate in accordance with the relevant 1 Should not exceed UKAS Yes
testing machines standard, e.g. BS EN ISO 7500 : Part 1 or 1 year (BS) or
ASTM E4 18 months (ASTM)
Check rate of loading and straining were 3 Annual In-house No
rates are specified by test standard or method
Extension (a) Extensometer Calibrate in accordance with the relevant 1 Should not exceed UKAS Yes
measuring devices Standard, e.g. BS EN 10002 : Part 4 or 1 year
ASTM E83, over entire extension range
or working range. Classification or grading
must satisfy requirements of test standard or
method