IS 4239 : 2023 Bevel Protractors - Specification
Revised Standard from Last Update.
1. SCOPE
This standard specifies the requirements of:
a) mechanical or optical bevel protractors with vernier scale or circular scale (dial); and
b) digital bevel protractors.
2. REFERENCES
The standards listed in Annex A contain provisions which, through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards listed in Annex A.