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Homepage>BS Standards>17 METROLOGY AND MEASUREMENT. PHYSICAL PHENOMENA>17.040 Linear and angular measurements>17.040.30 Measuring instruments>BS 2795:1981 Specification for dial test indicators (lever type) for linear measurement
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immediate downloadReleased: 2011-06-30
BS 2795:1981 Specification for dial test indicators (lever type) for linear measurement

BS 2795:1981

Specification for dial test indicators (lever type) for linear measurement

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Standard number:BS 2795:1981
Pages:14
Released:2011-06-30
ISBN:978 0 580 75599 6
Status:Corrigendum
DESCRIPTION

BS 2795:1981


This standard BS 2795:1981 Specification for dial test indicators (lever type) for linear measurement is classified in these ICS categories:
  • 17.040.30 Measuring instruments

This British Standard relates to dial test indicators of the lever type fitted with an adjustable stylus lever that may be displaced in either of two opposite directions. Unless otherwise stated, the indicators are intended for applications to the work in a direction normal to the stylus lever.

Requirements are specified for dial test indicators with metric graduations in scale divisions of 0.01 mm with a minimum magnification of × 70 or 0.002 mm with a minimum magnification of × 350, each having a measuring range of at least one revolution of the pointer.

Test methods are given in Appendix A, and notes on care and use are given in Appendix B.

Instruments reading in imperial units are dealt with in Appendix C.


Applies to indicators fitted with a stylus of ball or involute form that can operate in either of two directions. Performance, general features of design, recommended clamping dimensions, methods of testing, notes on care and use. Appendix deals with indicators reading in imperial units.