Table of standards
- EN 60651:94
- (A1:94) (A2:01) Type 1 Sound level meter
- ANSI S1.4:83
- (A1:01) Type 1 Sound level meter
- IEC 60651:01
- Type 1 Sound level meter
- CE
- Complies with 73/23/CEE and CEM 89/336/CEE low-tension regulations, the latter amended by 93/68/CEE.