BSI - BS 1054
Specification for Engineers’ comparators for external measurement
|Publication Date:||30 June 1975|
|ICS Code (Measuring instruments):||17.040.30|
Design, construction and performance accuracy of comparators primarily comprising a rigid stand supporting a measuring head over a work table, the movements of the measuring tip being amplified by mechanical, electrical, electronic, optical, fluid or pneumatic means and indicated on a metric scale.