GB/T 19258.1-2022 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 19258.1-2022 | English | 440 |
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Ultraviolet radiation sources for germicidal purpose - Part 1: Low pressure mercury vapor discharge lamp
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| GB 19258-2012 | English | 135 |
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[GB/T 19258-2012] Ultraviolet germicidal lamp
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| GB 19258-2003 | English | 679 |
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Ultraviolet germicidal lamp
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GB/T 19258.1-2022: Ultraviolet radiation sources for germicidal purpose - Part 1: Low pressure mercury vapor discharge lamp
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT19258.1-2022
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 29.140.30
CCS K 71
GB/T 19258.1-2022
Replacing GB/T 19258-2012
Ultraviolet radiation sources for germicidal purpose -
Part 1.Low pressure mercury vapor discharge lamp
Issued on. OCTOBER 12, 2022
Implemented on. MAY 01, 2023
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 3
Introduction... 5
1 Scope... 6
2 Normative references... 6
3 Terms and definitions... 7
4 Product classification, marking and model naming... 10
5 Technical requirements... 10
6 Test methods... 14
7 Inspection rules... 15
8 Marking, packaging, storage and transportation... 16
Annex A (normative) Test methods for ultraviolet radiation flux and electrical
parameters... 19
Annex B (normative) Measurement method of ultraviolet radiation luminance... 23
Annex C (normative) Test method for ozone output (static method)... 29
Annex D (informative) Test method for ozone output (dynamic method)... 33
Annex E (normative) Life test method... 36
Bibliography... 38
1 Scope
This document specifies the product classification, technical requirements, test methods,
inspection rules and marking, packaging, transportation and storage of low-pressure
mercury vapor discharge ultraviolet germicidal lamps (hereinafter referred to as
“lamps”).
This document applies to double-capped, single-capped or self-ballasted lamps made
of quartz glass or other ultraviolet-transmitting glass, with or without ozone and with
an ultraviolet radiation peak wavelength of 253.7 nm.
This document applies to lamps with a nominal power of less than 58 W, excluding cold
cathode ultraviolet lamps.
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB/T 1406.1 Types and dimensions of lamp caps - Part 1.Screw caps
GB/T 1406.2 Types and dimensions of lamp caps - Part 2.Pin lamp caps
GB/T 1406.5 Types and dimensions of lamp caps - Part 5.Bayonet caps
GB/T 2797 Technical specification for lamp caps
GB/T 2828.1 Sampling procedures for inspection by attributes - Part 1.Sampling
schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2829 Sampling procedures and tables for periodic inspection by attributes
(apply to inspection of process stability)
GB/T 2900.65-2004 Electrotechnical terminology - Lighting
GB/T 10682 Double-capped fluorescent lamps - Performance specifications
GB 16843 Single-capped fluorescent lamps - Safety specifications
GB 16844 Self-ballasted lamps for general lighting services - Safety requirements
GB/T 17262 Single-capped fluorescent lamps - Performance specification
GB/T 17263 Self-ballasted lamps for general lighting service - Performance
requirements
GB 18774 Double-capped fluorescent lamps - Safety specifications
JJG 879-2015 Ultraviolet radiometers
HJ 590 Ambient air - Determination of ozone - Ultraviolet photometric method
3 Terms and definitions
For the purpose of this document, the terms and definitions defined in GB/T 2900.65-
2004 and the following apply.
3.1 ultraviolet germicidal lamp
A low-pressure mercury vapor discharge lamp made of quartz glass or other ultraviolet-
transmitting glass, producing ultraviolet radiation mainly with a wavelength of 253.7
nm by discharge.
3.2 ozone concentration
The mass of ozone produced per unit volume when the lamp is ignited under specified
conditions.
3.3 ozone output efficacy
The ratio of the amount of ozone produced per unit time to the power consumed by the
lamp when the lamp is ignited under specified conditions.
3.4 nominal value
The approximate value used to name or identify the lamp.
3.5 rated value
The numerical value of a certain characteristic of the lamp under specified conditions.
3.6 initial readings
The starting characteristics of the lamp measured before aging and the ultraviolet
radiation, electrical characteristics and ozone characteristics measured after aging for
100 h.
4 Product classification, marking and model naming
4.1 Classification and marking
According to the shape, lamps can be divided into three categories. double-capped
lamps (indicated by “S”), single-capped lamps (indicated by “D”) and self-ballasted
lamps (indicated by “Z”); according to whether it contains ozone, it can be divided into
two types. ozone (indicated by “Y”) and ozone-free (indicated by “W”).
4.2 Model naming method
The model naming method of lamps is as follows.
Example 1.ZW15S26W indicates a 15 W double-capped ozone-free ultraviolet germicidal lamp
with a tube diameter of 26 mm.
5 Technical requirements
5.1 General requirements
The design, structure and performance of lamps shall ensure reliable performance in
normal use and not cause danger to users and the surrounding environment. Generally,
the qualification is checked by conducting all the specified tests.
5.3 Glass tube
The glass tube of lamps shall be transparent and clean and shall not have defects that
affect the transmission of ultraviolet rays.
5.4 Lamp holder
The finished lamp shall be equipped with a lamp cap that meets the corresponding light
source performance standards.
The types and dimensions of pin, screw and bayonet lamp caps shall comply with the
provisions of GB/T 1406.2, GB/T 1406.1 and GB/T 1406.5, respectively. Lamp caps of
other specifications shall comply with the provisions of GB/T 2797.
5.5 Anti-ultraviolet radiation
The insulating materials used for lamp caps and lamp housings shall be resistant to
ultraviolet radiation, anti-ultraviolet aging and embrittlement. After completing the test
in 6.9, the sample shall not have any changes that weaken its safety, the anti-electric
shock performance of the insulating material shall not be reduced, the lamp cap and the
lamp cap pins shall not be loose, and the insulating material shall not be cracked, bulged
or shrunken.
5.6 Lamp dimensions
The dimensions of double-capped lamps, single-capped lamps and self-ballasted lamps
shall comply with the provisions of the corresponding model lamps in GB/T 10682,
GB/T 17262 and GB/T 17263, respectively.
5.7 Starting characteristics
Lamps shall have good starting characteristics, and the starting characteristics of
double-capped lamps, single-capped lamps and self-ballasted lamps shall comply with
the provisions of the corresponding power lamps in GB/T 10682, GB/T 17262 and
GB/T 17263, respectively.
5.8 Initial electrical parameters
The initial voltage value of double-capped lamps and single-capped lamps shall comply
with the provisions of the corresponding power lamps in GB/T 10682 and GB/T 17262,
respectively.
5.9 Ultraviolet radiation efficiency
The initial value of the ultraviolet radiation efficiency of double-capped lamps, single-
capped lamps and self-ballasted lamps shall not be lower than the value specified in Table 1.
5.10 Ultraviolet radiation flux
The ultraviolet radiation flux can be nominally stated by the manufacturer and the seller,
and the actual measured value shall not be less than 90 % of the nominal value.
5.11 Ultraviolet radiation luminance
The initial value of the ultraviolet radiation luminance of double-capped lamps and
single-capped lamps shall not be less than 93 % of the values specified in Table 2 and
Table 3, respectively.
5.12 Ozone concentration/ozone output efficacy
Ozone-free lamps are evaluated by ozone concentration, and ozone lamps are evaluated
by initial ozone output efficacy.
The ozone concentration of ozone-free lamps is expressed as the average mass
concentration per unit time, and the average maximum allowable concentration for 1 h
is 0.1 mg/m3.
6 Test methods
6.1 Glass tube
Inspect by visual method.
6.2 Lamp cap
Inspect by corresponding gauge.
6.3 Anti-ultraviolet radiation
For the anti-ultraviolet aging of insulating materials, after testing according to 6.9, use
visual method and special gauges for inspection.
6.4 Lamp dimensions
Use general measuring tools or special gauges with an accuracy of not less than 0.05
mm for inspection.
6.5 Starting characteristics and initial electrical parameters
Single-capped lamps are tested according to the method specified in GB/T 17262.
Self-ballasted lamps are tested according to the method specified in GB/T 17263.
Double-capped lamps are tested according to the method specified in GB/T 10682.
6.6 Ultraviolet radiation efficiency, ultraviolet radiation flux
Test according to the method specified in Annex A.
6.7 Ultraviolet radiation luminance
Test according to the method specified in Annex B.
6.8 Ozone concentration/ozone output efficacy
Test according to the method specified in Annex C.
For ultraviolet lamps with ozone output used in dynamic airflow environments, refer to
Annex D for testing.
7 Inspection rules
7.1 Inspection classification
Inspection is divided into factory-exit inspection and type inspection.
7.2 Factory-exit inspection
The samples for factory-exit inspection shall be uniformly taken from the same type of
lamps produced daily (from each batch). Factory-exit inspection shall be carried out in
accordance with GB/T 2828.1, and its inspection items, sampling plan, inspection level
and acceptance quality level shall comply with the provisions of Table 4.
7.3 Type inspection
Type inspection shall be carried out at least once a year. The samples for type inspection
shall be uniformly taken from the lamps that have passed the factory-exit inspection.
8 Marking, packaging, storage and transportation
8.1 Marking
The marking content on lamps shall comply with the requirements of Table 6 and shall
be clear and firm.
8.2 Packaging
The minimum sales package shall contain a product certificate. If the minimum sales
package contains multiple lamps, the number of lamps shall be indicated.
8.3 Storage
Lamps shall be stored in a ventilated room with a relative humidity not exceeding 85 %,
and there shall be no corrosive gases in the air.
8.4 Transportation
Lamps shall be protected from rain, snow and strong mechanical vibration during
transportation.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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