JB/T 7476-1994
Copying machinery noise test method (English Version)
- Standard No.
- JB/T 7476-1994
- Language
- Chinese, Available in English version
- Release Date
- 1994
- Published By
- Professional Standard - Machinery
- Status
- 2008-03
- Replace By
- JB/T 7476-2007
- JB/T 7476-1996
- Latest
- JB/T 7476-2007
- Scope
- This standard specifies the engineering method (quasi-engineering method) and simple method noise test method for measuring the A sound level on the imaginary measuring surface of the envelope Xia Yin machinery and calculating the A sound power level; when the operator or bystander Measure the A sound level at the location and find the equivalent continuous A sound level. This standard is applicable to the noise measurement of copying machinery (including electrostatic copying machines, diazo copying machines, small office offset printing machines, photoelectric duplicating machines, etc.). The measurement of specific types of machine noise should be selected according to this standard, and corresponding specific provisions can be made for special requirements when necessary.
JB/T 7476-1994 history
- 2007 JB/T 7476-2007 Test method of noise emitted by office equipments
- 1994 JB/T 7476-1994 Copying machinery noise test method
