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JJG 922-2008Verification Regulation of Standard Devices of Vertex Power for Eye Refractometers (English PDF)

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine

Level / Type

National · Mandatory

Issue date

September 27, 2008

Implementation date

January 1, 2009

Scope

JJG 922-2008 (Verification Regulation of Standard Devices of Vertex Power for Eye Refractometers) is available as an English-translated PDF.

JJG 922-2008 — Verification Regulation of Standard Devices of Vertex Power for Eye Refractometers

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Document preview — JJG 922-2008

National Standard of the People's Republic of China

ICS: 17.180
Classification: A 60
Replacing: JJG 922-1996

Issued by: General Administration of Quality Supervision, Inspection and Quarantine

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard applies to standard vertex refractometer (including objective standards analog eye, subjective standards simulated eye, cylinder standard device, refractor IPD standard device) initial verification, follow-up tests and in-service inspection.

Document data

International classification (ICS): 17.180.

Chinese classification (CCS): A60.

Estimated length of the Chinese original: 17,158 words.

Supersedes the earlier edition JJG 922-1996.

Standards quoted by this document

ISO 10342-2003; JJG 892-2005; JJF 1002-1998; JJF 1059-1999

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 11 pages — is available in the English PDF.

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