SJ/Z 9162-1987
Measuring methods, test methods and standard values of 32KHz quartz crystal elements for wrist watches (English Version)
- Standard No.
- SJ/Z 9162-1987
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Electron
- Status
- 2010-02
- Latest
- SJ/Z 9162-1987
- Scope
- This standard applies to 32kHz quartz crystal components for watches. It comprehensively summarizes the SJ/Z 9152-87 (IEC 122) standard: quartz crystal components for frequency control and selection; the SJ/Z 9157-87 (IEC 302) standard: standard definitions and Measurement method; SJ/Z 9001.23-87 (IEC 68-2-27); SJ/Z 9001.18-87 (IEC 68-2-6), SJ/Z 9001.31-87 (IEC 68-2-20) and SJ/Z 9001.33-87 (IEC68-2-21) standard: basic environmental test procedure, part 2 test. In the following chapters, one or more measurement methods are generally given; if two methods are given, one is called the "standard method" and the second is rapid quality management (statistical management) intended for mass production. . The standard method is used in situations where there is a dispute between the manufacturer and the user.
SJ/Z 9162-1987 history
- 1970 SJ/Z 9162-1987 Measuring methods, test methods and standard values of 32KHz quartz crystal elements for wrist watches
