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| WEISHUO | Final Inspection Rules | NO: | |
| Page: 1 OF 1 | |||
| Inspection plan : It is carried out according to GB2828-87
sampling plan Inspection procedure: 1. Check quantity , type , specification 2. The inspection rules are as follows: |
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| Inspection items | Inspection Standard | ||
| 1. Appearance IL: I AQL: 1.0 |
A. Clean housing , no burrs , no scratch, no shrinkageB. Clear engraved mark or clear printing lettersC. Bright and clean solder point , no pollutionD. Well-plated pins , firmly-punched , vertical to PBCE. Bright and smooth epoxy resin surface , no pollution | ||
| 2. SPL IL: II AQL: 0.4 |
It should be fully comply to the specification, no low sound , no buzzing sound. | ||
| 3. Dimensions IL: S-3 AQL: 0.65 |
Measure the diameter , height and pin length as per technical documents | ||
| 4. Resistance IL: II AQL: 0.065 |
Test resistance as per technical documents | ||
| 5. Solderability IL: S-3 AQL:0.65 |
Pin surface should be easily covered with tin when it is dipped in 235+ 5?tin trough for 2+0.5 second. | ||
| 6. No sound IL: II AQL:0.065 |
There should not be any no sound. | ||
| 7. Polarity IL: II AQL: 0.065 |
Correct polarity | ||
| 8. Frequency IL: S-3 AQL:0.65 |
Comply to the specification | ||
| Testing equipment Multimeter , Sound Level Meter , Vernier CaliperRemarks 1. Inspection standard , sampling plan and list of technical data should be adequate. 2. After testing, please fill in ?Final Inspection Report 3. Defected products should be classified and returned to the workshop for repair . If it is rejected batch , please issue "Note of Non-conforming Finished Products" and return the products to the workshop. 4. Products should be remained identifiable . |
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| Design by : Date: |
Zhou Ri Hong May 21, 2003 |
Approved by : Date : |
Yang JONG Qin May 21, 2003 |
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Copyright
2004 Weishuo Electronic Co,.Ltd. Designed by Zhonghuan Internet |