JJG 488-1998Verification Regulation of Watch Tester (English PDF)
校表仪
JJG 488 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| JJG 488-2018 | Instantaneous Daily Clock Time Difference Testers | Valid |
| JJG 488-2008 | Verification Regulation of Watch Tester | Obsolete |
| JJG 488-1998 | Verification Regulation of Watch Tester | Obsolete |
JJG 488-1998 is obsolete. It has been replaced by JJG 488-2008. This page sells the obsolete edition, for projects and contracts that still cite it.
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Level / Type
National · Mandatory
Issue date
November 16, 1998
Implementation date
May 1, 1999
Scope
JJG 488-1998 is the English-translated version of 校表仪.
JJG 488-1998 is the Chinese metrological standard "Verification Regulation of Watch Tester". It was issued on November 16, 1998, and took effect on May 1, 1999. It is obsolete: it has been replaced by JJG 488-2008.
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Document preview — JJG 488-1998
Contents
- Document data
1 Document data
Sector: Metrological Verification (metrological standard).
Date of issue: 1998-11-16.
Date of implementation: 1999-05-01.
Status: obsolete, replaced by JJG 488-2008.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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JJG 488-1998
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