IS 10337 : 1982 Specification for 32.768 Khz Quartz Crystal Units for Wrist Watches

1 Scope

1.1 This standard covers test methods and requirements of 32.768kHz quartz crystal units for wrist watches.

2 References

IS 2 :1960Rules for rounding off numericalvalues

IS 1885 : Part XLIV :1978Electrotechnical vocabulary :Part XLIV Piezoelectric devices

IS 7962 :1975Methods of measurement forpiezoelectric vibrators operatingover the frequency range up to 30 MHz

IS 9000 : Part VII : Sec 1 :1979 Basic environmental testingprocedures for electronic andelectrical items:Part VII Impact testSection 1 Shock

IS 9000 : Part VIII :1981Basic environmental testingprocedures for electronic andelectrical items:Part VIII Vibration

IS 9000 : Part XIX : Sec 1 :1978 Basic environmental testingprocedures for electronic andelectrical items:Part XIX Test for robustness ofterminations and integral mountingdevicesSection 1 Tensile test

IS 9000 : Part XVIII : Sec 1 : 1981 Basicenvironmental testingprocedures for electronic andelectrical items:Part XVIII SolderabilitySection 1 Solderability of wire andtag terminations