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GB/T 26809-2011 English PDF

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GB/T 26809-2011: Thermostatic baths and circulators -- Refrigerated circulators
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PDF similar to GB/T 26809-2011


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Basic data

Standard ID GB/T 26809-2011 (GB/T26809-2011)
Description (Translated English) Thermostatic baths and circulators -- Refrigerated circulators
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N61
Classification of International Standard 19.040
Word Count Estimation 22,247
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; IB/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 cryostat circulation device, 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 environment cryostat circulation device (hereinafter referred to as hypothermic circulatory system).

GB/T 26809-2011: Thermostatic baths and circulators -- Refrigerated circulators

---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 circulators ICS 19.040 N61 National Standards of People's Republic of China Thermostatic bath and circulating means Cryostat circulation means 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 The main testing equipment and apparatus 4 6.2 Test conditions 5 6.3 Test appearance and structure 7 6.4 Operating temperature range Test 7 6.5 ACC Working Temperature Test 8 6.6 Temperature fluctuation test 8 6.7 Cooling capacity test 8 6.8 circulating pump maximum flow rate test 10 6.9 circulating pump maximum pressure test 12 Safety and environmental protection test 12 6.10 7 Inspection rules 13 7.1 Inspection classification 13 7.2 Test Item 13 7.3 Test conditions 13 7.4 factory inspection 13 14 7.5 Inspection stereotypes 7.6 Periodic Inspection 14 8 Marking 15 8.1 General requirements 15 8.2 Classification mark 15 8.3 Product nameplate 15 8.4 Operations with 16 flags 16 8.5 Safety Signs 8.6 Package Marking 16 9 packaging, transportation and storage 16 9.1 Packaging 16 9.2 Transport 16 9.3 Storage 17 10 accompanying documents 17 10.1 Technical Paper 17 10.2 Other documents 17

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 four of test equipment, machinery and industrial equipment Instrumentation Technology and Economy Institute, Zhejiang Institute of Metrology, on 海爱斯佩克 Environmental Equipment Co., Sunan test set Preparation Limited, the Ministry of Industry and Information Technology Institute of Electronics V, Hengyang Heng Instrument Electric Co. Participated in the drafting of this standard. Hunan Institute of Metrology detection, Shenyang Academy of Instrumentation Science, Anhui Institute of Metrology, 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, Jinli Hui, SHEN Cai Zhong Feng Hua, Ni Yiming, Zousu Yang, Liu Xiangheng, Xiong Zhi-ming, Xu Qiuling, Jinmei Feng, Zhouxiu Yuan, Wang Xiaofeng, Li Yaqin, Lim Chun Wing, Zhoulian Qin, Wang Jialong, He Jian Gang, Wang Huabin. Thermostatic bath and circulating means Cryostat circulation means

1 Scope

This standard specifies the classification cryostat cycle apparatus, conditions, requirements, test methods, inspection rules, marking, packaging, transportation, storage Deposit and accompanying documents. This standard applies to devices equipped with active cooling, in the form of liquid heat transfer medium to provide constant temperature cryostat cycle apparatus (hereinafter Acronym temperature cycling device).

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 circulation device, temperature cycling device category names, requirements and standard Chi 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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