|
US$1344.00 · In stock
Delivery: <= 8 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42125.4-2024: Safety requirements for electric equipment for measurement, control, and laboratory use - Part 4: Particular requirements for climatic and environmental testing and other temperature conditioning equipment
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 42125.4-2024 | English | 1344 |
Add to Cart
|
8 days [Need to translate]
|
Safety requirements for electric equipment for measurement, control, and laboratory use - Part 4: Particular requirements for climatic and environmental testing and other temperature conditioning equipment
| Valid |
GB/T 42125.4-2024
|
PDF similar to GB/T 42125.4-2024
Basic data | Standard ID | GB/T 42125.4-2024 (GB/T42125.4-2024) | | Description (Translated English) | Safety requirements for electric equipment for measurement, control, and laboratory use - Part 4: Particular requirements for climatic and environmental testing and other temperature conditioning equipment | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N09 | | Classification of International Standard | 19.080 | | Word Count Estimation | 67,697 | | Date of Issue | 2024-10-26 | | Date of Implementation | 2026-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42125.4-2024: Safety requirements for electric equipment for measurement, control, and laboratory use - Part 4: Particular requirements for climatic and environmental testing and other temperature conditioning equipment
---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/GBT42125.4-2024
ICS 19.080
CCSN09
National Standard of the People's Republic of China
Safety requirements for electrical equipment for measurement, control and laboratory use
Part 4.Climatic and environmental tests and other temperatures
Special requirements for regulating equipment
equipment,IDT)
Released on October 26, 2024, implemented on November 1, 2026
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope and Purpose 1
2 Normative references 2
3 Terms and Definitions 2
4 Experiment 7
5 Signs and Documents11
6 Protection against electric shock 19
7.Protection against mechanical hazards 20
8 Mechanical stress resistance 21
9 Prevent the spread of fire 22
10 Temperature limits and heat resistance of equipment 23
11 Protection against hazards from fluids and solid foreign matter 26
12 Protection against radiation (including laser sources), sound pressure and ultrasonic pressure 37
13 Protection against released gases and substances, explosions and implosions 38
14 Components and Assemblies 39
15 Protection by interlocking device 40
16 Hazards caused by application 42
17 Risk Assessment 42
Appendix 43
Appendix K (Normative) Insulation requirements not covered in 6.7 44
Appendix AA (Informative) Useful Symbols 45
Appendix BB (Informative) Protection of Personnel in Walk-in Equipment 48
Appendix CC (Informative) Safety Requirements for Components and Pipes 49
Appendix DD (informative) Equipment containing flammable refrigerants - Information and marking requirements 53
Appendix EE (Normative) Non-sparking "n" type electrical devices 55
Reference 56
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is Part 4 of GB/T 42125 "Safety requirements for electrical equipment for measurement, control and laboratory use".
The following parts have been published.
--- Part 1.General requirements;
--- Part 2.Particular requirements for laboratory equipment for heating materials;
--- Part 3.Particular requirements for refrigeration equipment;
--- Part 4.Particular requirements for climate and environmental tests and other temperature regulation equipment;
--- Part 5.Particular requirements for laboratory centrifuges;
--- Part 7.Safety requirements for hand-held and hand-operated probe assemblies for electrical measurement and test;
--- Part 10.Particular requirements for insulation resistance measurement and dielectric strength test equipment;
--- Part 14.Particular requirements for automatic and semi-automatic equipment for laboratory use for analytical and other purposes;
--- Part 18.Particular requirements for control equipment;
--- Part 19.Particular requirements for electric control valve actuators.
This document is equivalent to IEC 61010-2-012.2019 "Safety requirements for electrical equipment for measurement, control and laboratory use Part 2-012
Part 3.Special requirements for climate and environmental tests and other temperature regulation equipment.
The following minimal editorial changes have been made to this document.
--- In order to coordinate with the existing standard, the name of the standard is changed to "Safety requirements for electrical equipment for measurement, control and laboratory use Part 4.
Special requirements for climate and environmental testing and other temperature regulation equipment";
--- Deleted the informative Appendix L "Term Index".
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Safety Standardization of Measurement, Control and Laboratory Electrical Equipment (SAC/TC338).
This document was drafted by. Hangzhou Xuezhongtan Constant Temperature Technology Co., Ltd., Mechanical Industry Instrumentation Comprehensive Technology and Economic Research Institute, Beijing Printing
Brush College, Beijing Medical Device Inspection Institute (Beijing Medical Bioprotection Equipment Inspection and Research Center), Fujian Shunchang Hongrun Precision Instrument
Co., Ltd., China Electronics Technology Standardization Institute, China Quality Certification Center, China Silian Instrument Group Co., Ltd., China Qualified
National Accreditation Center for Assessment, Fujian Shangrun Precision Instrument Co., Ltd., Shanghai Instrument and Automation System Inspection and Testing Institute Co., Ltd., Qingdao Hai
Er Biomedical Co., Ltd., Hangzhou Yungu Technology Co., Ltd., Liaoning Institute of Metrology, Shanghai Metrology and Testing Technology
Institute, Sichuan Provincial Institute of Drug Control (Sichuan Provincial Medical Device Testing Center), Guangdong Provincial Medical Device Quality Supervision and Inspection Institute, Guangzhou
Lightia Lighting Co., Ltd., TUV Rheinland Testing and Certification Services (China) Co., Ltd., MicroPort Investment Holdings Co., Ltd., Zhengzhou Great Wall Science and Technology
Trade Co., Ltd., Fujian Product Quality Inspection Institute, Hangzhou Qi Intelligent Source Technology Co., Ltd., Zhejiang Keen Experimental Equipment Co., Ltd.
Co., Ltd., Hunan Yanjian Intelligent Technology Co., Ltd., Wenzhou Luxury Auto Parts Co., Ltd., Hunan Meiyu Technology Co., Ltd., Wuxi Lambton
Technology Co., Ltd., Guangdong Jinding Optical Technology Co., Ltd., Danbo Instrument (Kunshan) Co., Ltd., Jiangsu Youshang Environmental Engineering Co., Ltd.
Co., Ltd., Xiamen Yuanqian Electronics Co., Ltd., Suzhou Beiyin Technology Co., Ltd., Anhui Wanrui Refrigeration Technology Co., Ltd., Hangzhou Meiyi
AUTOMATION LIMITED.
The main drafters of this document are. Xu Yueming, Shang Yujia, Kong Jiayi, Liu Xiaojing, Liang Zhenshi, Chen Zhiyang, Guo Jianyu, Hu Nan, Li Jinlan, Ni Jia,
Wang Liwen, Ge Jian, Zhang Yixiang, Wang Yi, Ding Yun, Liang Guoding, Feng Jian, Zhang Yi, Guan Hui, Fan Xiang, Lü Henan, Mai Miao, Ding Yi, Wang Chengying, Feng Lei,
Wang Jiakai, Zhu Nairong, Xu Yijun, Wu Jinwei, Yuan Lijun, Jiang Hanxiong, Ye Zhiyue, Sun Dahai, Bai Bing, Chen Xifu, Luo Shuijin, Ding Changjian,
Mei Lihua, Zhang Kaifeng, Xie Weimin, Zhang Xuehua, and Ye Zhizeng.
introduction
GB/T 42125 "Safety requirements for electrical equipment for measurement, control and laboratory use" is planned to consist of 20 parts.
--- Part 1.General requirements. The purpose is to specify the general safety requirements of electrical equipment for measurement, control and laboratory use and their accessories
Require.
--- Part 2.Particular requirements for laboratory equipment for material heating. The purpose is to specify the special requirements for laboratory equipment for material heating.
Safety requirements.
--- Part 3.Particular requirements for refrigeration equipment. The purpose is to specify the special safety requirements for refrigeration equipment used in measurement, control and laboratory
Require.
--- Part 4.Climate and environmental tests and special requirements for other temperature regulation equipment. The purpose is to specify climate and environmental tests
Special safety requirements for testing and other temperature regulating equipment.
--- Part 5.Particular requirements for laboratory centrifuges. The purpose is to specify special safety requirements for laboratory centrifuges.
--- Part 6.Particular requirements for test and measuring circuits. The purpose is to specify special safety requirements for test and measuring circuits.
--- Part 7.Safety requirements for hand-held and hand-operated probe assemblies for electrical measurement and testing. The purpose is to specify the safety requirements for hand-held and hand-operated probe assemblies.
Safety requirements for head assemblies and related accessories.
--- Part 8.Particular requirements for hand-held and hand-operated current sensors for electrical measurement and testing. The purpose is to specify the requirements for hand-held and hand-operated current sensors.
Special safety requirements for current sensors.
--- Part 9.Particular requirements for household and professional handheld multimeters capable of measuring mains voltage.
Particular safety requirements for hand-held multimeters for household and professional use for measuring mains supply voltage.
--- Part 10.Particular requirements for insulation resistance measurement and dielectric strength test equipment. The purpose is to specify the output voltage AC
Safety requirements for equipment used for insulation resistance measurement and dielectric strength testing at 50 V or DC 120 V and above.
--- Part 11.Particular requirements for sterilizers and washer-disinfectors for processing medical materials.
Particular safety requirements for sterilizers and washer-disinfectors.
--- Part 12.Particular requirements for laboratory mixing and stirring equipment. The purpose is to specify electric stirring equipment used for mechanical stirring and stirring
Particular safety requirements for laboratory equipment and its accessories.
--- Part 13.Particular requirements for laboratory atomic spectrometers with thermal atomization and ionization.
Particular safety requirements for atomization and ionization atomic spectrometers.
--- Part 14.Particular requirements for automatic and semi-automatic equipment for laboratory analysis and other purposes. The purpose is to specify the
Particular safety requirements for automatic and semi-automatic equipment for analytical and other purposes.
--- Part 15.Particular requirements for cabinet X-ray systems. The purpose is to specify special safety requirements for cabinet X-ray systems.
--- Part 16.Particular requirements for in vitro diagnostic (IVD) medical devices. The purpose is to specify the intended use for in vitro diagnostic medical purposes
Special requirements for medical devices.
--- Part 17.Particular requirements for equipment used by children in educational institutions. The purpose is to specify the requirements for the use of equipment by student operators in educational institutions.
Particular safety requirements for electrical equipment and accessories.
--- Part 18.Particular requirements for control equipment. The purpose is to specify the special requirements and related requirements for control equipment used in industrial environments
identification test.
--- Part 19.Particular requirements for electric control valve actuators. The purpose is to specify the requirements for electric control valve actuators installed in industrial processes or discrete control
Safety requirements for electric control valve actuators and solenoid coils in environments.
--- Part 20.Particular requirements for industrial communication circuits and communication port interconnections. The purpose is to specify the requirements for installation in process or discrete control
Particular safety requirements for industrial communication circuits in an environment.
Note. The correspondence between each part and the IEC 61010 series standards is as follows.
--- Part 1 corresponds to IEC 61010-1;
--- Part 2 corresponds to IEC 61010-2-010;
--- Part 3 corresponds to IEC 61010-2-011;
--- Part 4 corresponds to IEC 61010-2-012;
--- Part 5 corresponds to IEC 61010-2-020;
--- Part 6 corresponds to IEC 61010-2-030;
--- Part 7 corresponds to IEC 61010-031;
--- Part 8 corresponds to IEC 61010-2-032;
--- Part 9 corresponds to IEC 61010-2-033;
--- Part 10 corresponds to IEC 61010-2-034;
--- Part 11 corresponds to IEC 61010-2-040;
--- Part 12 corresponds to IEC 61010-2-051;
--- Part 13 corresponds to IEC 61010-2-061;
--- Part 14 corresponds to IEC 61010-2-081;
--- Part 15 corresponds to IEC 61010-2-091;
--- Part 16 corresponds to IEC 61010-2-101;
--- Part 17 corresponds to IEC 61010-2-130;
--- Part 18 corresponds to IEC 61010-2-201;
--- Part 19 corresponds to IEC 61010-2-202;
--- Part 20 corresponds to IEC 61010-2-203.
IEC 61010-2-012, together with IEC 61010-2-010 and IEC 61010-2-011, addresses the application of heating and
Special hazards during cooling process. The three documents are organized as follows.
IEC 61010-2-010 specifically addresses the hazards associated with equipment containing heating systems
IEC 61010-2-011 specifically addresses the hazards associated with equipment containing refrigeration systems
IEC 61010-2-012
Specifically addresses the hazards associated with combined equipment that contains both heating and cooling systems that interact with each other.
equipment and heating or cooling systems alone present additional or more severe hazards; this document also addresses the
Hazards associated with handling materials exposed to elements such as radiation, high humidity, carbon dioxide, and mechanical movement
Guidelines for Correctly Selecting 3 Related Documents
For equipment that only includes a material heating system and does not include a cooling system or other environmental factors, it must meet the requirements of IEC 61010-2-010.
IEC 61010-2-011 and IEC 61010-2-012.
Equipment for material heating systems or other environmental factors must meet the requirements of IEC 61010-2-011 and does not need to meet the requirements of IEC 61010-2-010 and
However, for equipment that contains both a material heating system and a cooling system, or is used in the intended application
When handling materials that introduce significant heat into the refrigeration system, the selection process is more efficient than evaluating both systems separately (controlling temperature, see Figure 102).
If the interaction between the heating and cooling functions creates additional or more serious hazards,
If the use of the device does not create additional or more serious hazards, then the two functions must meet the requirements of IEC 61010-2-010 and IEC 61010-2-011 respectively.
requirements; on the contrary, if additional or more serious hazards are generated, or if the equipment also contains other elements of material processing, the equipment shall meet
The requirements of IEC 61010-2-012 are met, rather than the requirements of IEC 61010-2-010 or IEC 61010-2-011.
What are the dangers of refrigeration systems?
The refrigeration system consisting of a motor-compressor, a condenser, an expansion device and an evaporator (as shown in Figure 101) includes but is not limited to the following.
Typical hazards described.
---The maximum temperature of the low-pressure side of the motor-compressor (return air temperature). The motor-compressor uses refrigerant to cool the motor, and it is necessary to ensure
The maximum temperature on the low voltage side shall not exceed the insulation rating of the motor under the most unfavorable conditions.
---The maximum pressure at the low-pressure side inlet of the motor-compressor. The motor-compressor housing directly bears this pressure, so the motor-
The compressor casing must be designed to withstand the most adverse pressure conditions while providing suitable pressure vessels.
Safety margin.
--- Maximum temperature on the high-pressure side of the condenser. Under the most unfavorable conditions, if the operator is exposed to this temperature or the insulation deteriorates, the condenser
The temperature on the high pressure side of the device may cause a dangerous temperature change.
--- Maximum pressure at the high-pressure side outlet of the motor-compressor. from the refrigerant components downstream of the motor-compressor to the expansion device
Directly bear the pressure, so the design rating of these components must ensure that they can withstand the pressure under the most adverse conditions, and at the same time
The force container provides an appropriate safety margin.
---Maximum control temperature. the soaking temperature condition for releasing heat, which may affect the maximum temperature of the low-pressure side of the motor-compressor and
If the operator is exposed to such temperature or the insulation deteriorates, it will cause a temperature hazard.
Whether it is the overall heating function of the equipment or the heat release of the cooled material, the impact under the most unfavorable conditions needs to be evaluated.
--- When the refrigeration system is operating under the most unfavorable conditions, including any defrost cycle that may be applicable, the equipment should establish a stable current
consumption.
The most unfavorable conditions of the equipment need to be determined, including the most unfavorable normal use conditions and the most unfavorable test results under single fault conditions.
Figure 101 Schematic diagram of a refrigeration system including a condenser
The selection process is shown in Figure 102.
Figure 102 Selection process flow chart
This document should be combined with GB/T 42125.1-2024 "Safety requirements for electrical equipment for measurement, control and laboratory use Part 1.General
Requirements》.
The part marked "applicable" in this document indicates that the corresponding clauses of GB/T 42125.1-2024 are applicable to this document;
The part marked "replace" or "modify" indicates that the terms of this document shall prevail; the part marked "add" in this document indicates that in addition to complying with
In addition to the corresponding clauses of GB/T 42125.1-2024, the clauses added in this document must also be complied with.
The number of the clauses added to this document begins with 101, for example, 3.1.101.The number of the appendixes added to this document begins with AA, for example,
Such as Appendix AA and Appendix BB.
Safety requirements for electrical equipment for measurement, control and laboratory use
Part 4.Climatic and environmental tests and other temperatures
Special requirements for regulating equipment
1 Scope and Purpose
Except for the following, Chapter 1 of GB/T 42125.1-2024 is applicable.
1.1.1 Equipment to which this document applies
replace.
Replace the second paragraph with the following.
This document specifies the safety requirements for electrical equipment of categories a) to c) and their accessories, regardless of their intended use, provided that the equipment contains the following
Next one or more characteristics.
--- A cooling system that is affected or influenced by a self-contained heating function, making the combined heating and cooling system different from a single heating or cooling system.
The system presents additional and/or more severe hazards than the
---In the intended application, the material to be processed will introduce significant heat into the refrigeration system, causing the refrigeration system to
There may be additional and/or more severe hazards than when operating with
--- Irradiation of the material to be processed may create additional hazards.
--- Exposing the material to be treated to high humidity, carbon dioxide, salt spray or other substances may create additional hazards.
--- Mechanical movement functions create additional hazards.
--- Provide conditions for operators to enter the operating area to load or unload materials to be processed.
Increase.
Add the following after the first paragraph.
NOTE 101.For example, this type of equipment includes environmental test and plant growth test chambers, refrigeration cycle devices with heating functions, cooling water circulation devices for removing heat, and
Ring device, etc.
Equipment, in whole or in part, may fall within the scope of this document and one or more other parts of the IEC 61010 series of standards.
Scope. In this case, the requirements of these standards also apply. This document applies when one or more additional hazards listed above are introduced.
However, if the equipment only contains a cooling system, or only contains a heating function, or contains both a cooling system and a heating function but does not introduce
If there are additional hazards described in the above items, then use IEC 61010-2-011 or IEC 61010-2-010, or both, as applicable.
Replaces this document.
Further information is provided in the selection process flow chart (Figure 102) and guidelines in the Introduction.
NOTE 102.3.1.107 and Appendix BB provide the definition of walk-in equipment and the requirements for protecting persons therein.
1.1.2 Equipment not included in the scope of this document
Increase.
Add the following columns after item j).
aa) Heating, cooling and ventilation equipment for laboratories;
bb) Sterilization equipment.
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 42125.4-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 42125.4-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 5 ~ 8 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB/T 42125.4-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 42125.4-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
|