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YY 0055-1991Light-curing units (English PDF)

光固化机

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Issued by

NMPA

Level / Type

Industry · Mandatory

Issue date

October 12, 1991

Implementation date

July 1, 1992

Scope

YY 0055-1991 is the English-translated version of 光固化机.

YY 0055-1991 is the Chinese pharmaceutical industry standard covering light-curing units. It was issued on 12 October 1991 and has been in force since 1 July 1992, as a first edition.

The document is under the responsibility of the National Medical Products Administration. This page is published from the official record of the 1991 edition. The figures, limits and tables the standard contains are those of the document itself, delivered in full with the English translation.

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Document preview — YY 0055-1991

National Standard of the People's Republic of China

Issued by: National Medical Products Administration of the People's Republic of China

[Preview only]
1 Scope
2 Normative References
2.1 Terms
3 Terms and Definitions
4 Overview
4.1 General requirements
5 Technical Requirements
6 Calibration conditions
6.1 Environmental conditions
6.2 Measurement standards and other equipment
7 Calibration items and calibration methods
7.1 Calibration Items
7.2 Calibration method
8 Expression of calibration results
9 Recalibration interval

1 Foreword

YY 0055-1991 was issued by National Medical Products Administration of the People's Republic of China on 12 October 1991 and has been in force since 1 July 1992.

It is one of 3 parts of the YY 0055 series.

The YY prefix, without a suffix, marks a mandatory standard: within its scope, compliance is required.

2 Scope Preview

YY 0055-1991 carries no ICS number and no Chinese Standard Classification code.

This catalogue holds 944 other YY standards.

Of the 199 YY standards that do carry an ICS number, 198 (99%) fall under ICS 11, in the field of health care technology.

3 About this standard

Issued by: National Medical Products Administration of the People's Republic of China

English translation: about 15 pages

4 Related standards

Other parts of this standard:

YY 0055.1-2009 — Dentistry - Powered polymerization activators - Part 1: Quartz tungsten halogen lamps

YY 0055.2-2009 — Dentistry—Powered polymerization activators - Part 2: Light-emitting diode(LED)lamps

Other editions:

YY 0055-2026 (later edition)

YY 0055-2018 (later edition)

YY 0055-2002 (later edition)

Standards on related subjects:

YY/T 0127.13-2018 — Biological evaluation of medical devices used in dentistry - Part 13: Oral mucous irritation test

YY/T 0127.7-2017 — Biological evaluation of medical devices used in dentistry - Part 7: Pulp and dentine usage test

YY/T 0127.4-2009 — Biological evaluation of medical devices used in dentistry - Part 2: Test method - Bone implant test

YY/T 0825-2026 — Dental science - External dental bleaching products

YY/T 0517-2026 — Dentistry - Posts

5 Classification and status

Chinese Standard Classification (CCS): C 33

Prefix YY: mandatory standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Cited by

YY 1042-2023Dentistry - Polymer-based restorative materials

Similar standards

YY 1081-2011|GB/T 38281.1-2019

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