GB/T 19258.2-2023Ultraviolet radiation sources for germicidal purpose—Part 2: Cold cathode low pressure mercury vapor discharge lamp (English PDF)

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

This document is Part 2 of GB/T 19258 "Ultraviolet radiation sources for sterilization". GB/T 19258 has released the following parts.

---Part 1: Low pressure mercury vapor discharge lamp;

---Part 2: Cold cathode low pressure mercury vapor discharge lamps.

This document replaces GB/T 28795-2012 "Cold Cathode Ultraviolet Germicidal Lamps". Compared with GB/T 28795-2012, except for structural adjustments in addition to editorial changes, the main technical changes are as follows.

---Added the definition of UV radiation illumination maintenance rate (see 3.18);

---The shape of the lamp has been changed, and the lead or lead terminal type cold cathode low-pressure mercury vapor discharge, which is more popular on the market, has been added Ultraviolet germicidal lamps, and stipulates its relevant technical requirements (see 4.1, Chapter 5, GB/T 28795-2012 4.1, 4.3, Chapter Chapter 5);

---Changed the rules for writing lamp models (see 4.2, 4.2 of GB/T 28795-2012);

---Added and modified the starting characteristics requirements and test methods of lamps (see 5.3 and Appendix B);

---Changed the regulations on the measurement distance of ultraviolet radiation illumination (see 6.6, 6.6 of GB/T 28795-2012);

---Changed the regulations on marking and packaging (see Chapter 8, Chapter 8 of GB/T 28795-2012);

---Changed the measurement method of lamp electrical parameters (see Appendix A, Appendix C of GB/T 28795-2012);

---An ultraviolet distributed radiometer is added, and the irradiance integration method is used to measure the ultraviolet radiation flux of the ultraviolet germicidal lamp under test (see attachment Record C);

--- Added provisions for the cosine characteristics and nonlinear error requirements of UV probes, and changed the test conditions for measuring UV radiation illumination (see Appendix D, Appendix A of GB/T 28795-2012);

---Changed the test method for ozone production (see Appendix E, Appendix F of GB/T 28795-2012);

---Changed the test method for lamp life (see Appendix F, Appendix E of GB/T 28795-2012).

Introduction

After pathogenic microorganisms absorb ultraviolet radiation energy with wavelengths between 200nm and 280nm, their genetic material (nucleic acid) undergoes mutations, leading to the disinfection method that causes cells to no longer divide and reproduce and achieve the purpose of inactivating pathogenic microorganisms is called ultraviolet disinfection. UV radiation source as UV killer the core component of sterilization products is used to achieve the purpose of sterilization and disinfection. GB/T 19258 "Ultraviolet radiation source for sterilization" aims to standardize the The safety requirements and performance requirements of ultraviolet radiation sources are planned to be composed of 5 parts.

---Part 1: Low-pressure mercury vapor discharge lamps. The purpose is to standardize the production of low-pressure mercury vapor discharge hot cathode ultraviolet germicidal lamps. Product classification, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage.

---Part 2: Cold cathode low pressure mercury vapor discharge lamps. The purpose is to standardize low-pressure mercury vapor discharge cold cathode ultraviolet sterilization Product classification, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage of lamps.

---Part 3: UV excimer lamp. The purpose is to standardize the product classification and technology of 222nm ultraviolet KrCl excimer lamps Requirements, test methods, inspection rules and markings, packaging, transportation and storage.

---Part 4: UV germicidal lamp based on photocatalysis. The purpose is to standardize products that utilize ultraviolet radiation sources for photocatalytic sterilization Classification, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage.

---Part 5: UV LED radiation source for sterilization. The purpose is to standardize the product classification and technology of UV LED radiation sources for sterilization Requirements, test methods, inspection rules and markings, packaging, transportation and storage.

1 Scope

This document specifies the ultraviolet radiation source cold cathode low pressure mercury vapor discharge lamp for sterilization, that is, cold cathode ultraviolet germicidal lamp (hereinafter referred to as "Lamp") product classification, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage.

This document applies to ozone or ozone-free products produced using quartz glass or other ultraviolet-transparent glass. The peak wavelength of ultraviolet radiation is 253.7nm double-ended, single-ended, self-ballasted, wire or wire terminal lamps.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations for undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB/T 2828.1-2012 Enumeration sampling inspection procedures Part 1: Batch-by-batch inspection sampling retrieved by acceptance quality limit (AQL) plan

GB/T 2829-2002 Periodic inspection counting sampling procedures and tables (applicable to inspection of process stability)

GB/T 2900.65 Electrical terminology lighting

GB 16843 Safety requirements for single-ended fluorescent lamps

GB 16844 Safety requirements for self-ballasted lamps for general lighting

GB/T 17263 Performance requirements for self-ballasted fluorescent lamps for general lighting

GB 18774 Safety requirements for double-ended fluorescent lamps

GB/T 19149 General requirements and requirements for tubular discharge lamp transformers (neon lamp transformers) with no-load output voltage exceeding 1000V security requirements

GB/T 19258.1-2022 Ultraviolet radiation sources for sterilization Part 1: Low-pressure mercury vapor discharge lamps

JJG879-2015 UV radiation meter

HJ590-2010 Determination of ambient air ozone by ultraviolet photometry

3 Terms and definitions

The terms and definitions defined in GB/T 2900.65 and the following apply to this document.