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GB/T 26808-2011: Thermostatic baths and circulators -- Refrigerated baths
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| GB/T 26808-2011 | English | 509 |
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Thermostatic baths and circulators -- Refrigerated baths
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GB/T 26808-2011
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Basic data | Standard ID | GB/T 26808-2011 (GB/T26808-2011) | | Description (Translated English) | Thermostatic baths and circulators -- Refrigerated baths | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N61 | | Classification of International Standard | 19.040 | | Word Count Estimation | 22,219 | | Date of Issue | 2011-07-29 | | Date of Implementation | 2011-12-01 | | Quoted Standard | GB/T 191-2008; GB/T 2829-2002; GB 4793.1-2007; GB 4793.6-2008; GB/T 9969-2008; GB 16895.12-2001; GB/T 17248.3-1999; JB/T 9512-1999 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 12 of 2011 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the classification of low-temperature thermostat bath, conditions, requirements, test methods, inspection rules, marking, packaging, transportation, storage and accompanying documents. This standard applies to devices equipped with active cooling to form a liquid heat transfer medium temperature thermostat bath temperature environment (hereinafter referred to as cryogenic tank). | GB/T 26808-2011: Thermostatic baths and circulators -- Refrigerated baths---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Thermostatic baths and circulators. Refrigerated baths
ICS 19.040
N61
National Standards of People's Republic of China
Thermostatic bath and circulating means
Low temperature thermostat bath
Issued on. 2011-07-29
2011-12-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Category 1
4 Conditions 2
Environmental Conditions 2 4.1
4.2 Supply Condition 2
4.3 Water Supply 2
2 4.4 liquid heat transfer medium
5 Requirement 2
5.1 appearance and structure 2
5.2 Technical Performance 3
5.3 Safety and environmental protection 3
6 Test Method 4
6.1 Main test instruments and equipment 4
6.2 Test conditions 5
6.3 Test appearance and structure 6
6.4 Operating temperature range Test 7
6.5 ACC Working Temperature Test 8
6.6 Temperature fluctuation test 8
6.7 Test temperature uniformity 8
6.8 Cooling time trial 9
6.9 Cooling capacity test 9
Safety and environmental protection test 11 6.10
7 Inspection rules 12
7.1 Inspection classification 12
7.2 Test Item 12
7.3 factory inspection 12
13 7.4 Inspection stereotypes
7.5 Periodic Inspection 13
8 Marking 14
14 8.1 General Requirements
8.2 Classification mark 15
8.3 Product nameplate 15
8.4 Operations with 15 flags
15 8.5 Safety Signs
8.6 Package Marking 15
9 packaging, transportation and storage 15
9.1 Packaging 15
9.2 Transport 16
9.3 Storage 16
10 accompanying documents 16
10.1 Technical Paper 16
10.2 Other documents 16
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents.
This standard is proposed and managed by China Machinery Industry Federation.
Drafting of this standard. Hangzhou snow carbon thermostat Technology Co., Ltd., Chongqing Sida Test Equipment Co., Ltd., Zhejiang Branch metering
Studies Institute of Instrumentation Technology and Economy Institute, on 海爱斯佩克 Environmental Equipment Co., Sunan test set
Preparation Ltd., Hunan Institute of Metrology detection, the Ministry of Industry and Information Technology Institute of Electronics V.
Participated in the drafting of this standard. Shenyang Academy of Instrumentation Science, Anhui Institute of Metrology, Hengyang Heng Instrument Electric Co., Ltd., China
Electric Apparatus Research Institute, Ningbo Dongfang Heating Equipment Co., Ltd., Shanghai Jing Hong Experimental Equipment Co., Ltd., Chongqing Yinhe Experimental Instrument Co.,
the company.
The main drafters of this standard. Xu Yueming, Chen Yunsheng, Shen Zhong only, Jinli Hui, Feng Hua, Ni Yiming, Xiong Zhiming, Zousu Yang, Xu Qiuling,
He Gang Jian, Liu Xiangheng, Zhouxiu Yuan, Wang Xiaofeng, Li Yaqin, Zhoulian Qin, Wang Jialong, Lim Chun Wing, Jinmei Feng, Wang Huabin.
Thermostatic bath and circulating means
Low temperature thermostat bath
1 Scope
This standard specifies the classification cryostat tank, conditions, requirements, test methods, inspection rules, marking, packaging, transportation, storage and with
Line in the file.
This standard applies to devices equipped with active cooling, in order to provide low-temperature liquid heat transfer medium in the form of a constant temperature bath environment (hereinafter referred to as Low
Temperature tank).
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 191-2008 Packaging - Pictorial signs
GB/T 2829-2002 periodic inspection Sampling procedures and tables (suitable for process stability test)
GB 4793.1-2007 measurement, control and laboratory safety requirements for electrical equipment - Part 1. General requirements
GB 4793.6-2008 measurement, control and laboratory safety requirements for electrical equipment - Part 6. Laboratory material heating apparatus
Particular requirements for equipment
GB/T 9969-2008 General Industrial Product Manual
GB 16895.12-2001 Electrical installations of buildings Part 4. Protection for safety Chapter 44. Over Voltage Protection Section 443.
Atmospheric over-voltage or over-voltage protection operation
GB/T 17248.3-1999 Acoustics machinery and equipment noise emission and other operating position emission sound pressure levels specified location
Measuring method in situ
Determination of JB/T 9512-1999 climate chamber test equipment and sound power levels
Category 3
Non-combustible liquids or combustible liquids can be used as low-temperature liquid heat transfer medium tank, cold tank category name, requirements and signs are shown in Table 1.
Table 1
Category Name e liquid heat transfer medium request flag
Ⅰ a non-flammable liquid over-temperature protection c NFL
Combustible liquid b
Adjustable temperature over-temperature protection d
Adjustable temperature over-temperature protection and an additional level of protection d
FL
a usually water and the other in a single fault condition and the predetermined temperature range nonflammable liquid.
B liquid heat transfer medium flash point of not less than 65 ℃, Ⅱ class requirements apply, such as silicone oil. Otherwise Ⅲ class requirements apply, such as ethanol.
c independent, non-self-resetting, and can cut off all poles of the heater or level overtemperature protection device.
d can be adjusted over a moderate level of protection, it should only be carried out by means of tools.
e manufacturers the option of using or not using.
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