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GB/T 28850-2012 English PDF

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US$419.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 28850-2012: Thermostatic baths and circulators -- Heated liquid baths
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 28850-2012	419	Add to Cart	3 days	Thermostatic baths and circulators -- Heated liquid baths	Valid

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Basic data

Standard ID: GB/T 28850-2012 (GB/T28850-2012)
Description (Translated English): Thermostatic baths and circulators -- Heated liquid baths
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N61
Classification of International Standard: 19.040
Word Count Estimation: 18,117
Quoted Standard: GB/T 191-2008; GB/T 2829-2002; GB 4793.1-2007; GB 4793.6-2008; GB/T 9969-2008; GB/T 16895.10-2010; JB/T 9512-1999; GB/T 17248.3-1999
Regulation (derived from): National Standards Bulletin 2012 No. 28
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 high-temperature thermostat bath, conditions, requirements, test methods, inspection rules, marking, packaging, transportation, storage and accompanying documents. This standard applies to active refrigeration

GB/T 28850-2012: Thermostatic baths and circulators -- Heated liquid 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. Heated liquid baths ICS 19.040 N61 National Standards of People's Republic of China Thermostatic bath and circulating means Hot bath Issued on. 2012-11-05 2013-02-15 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

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 2 4.3 liquid heat transfer medium 5 Requirement 2 5.1 appearance and structure 2 5.2 Technical Performance 2 5.3 Safety and environmental protection 3 6 Test Method 4 6.1 Main test instruments and equipment 4 6.2 Test conditions 4 6.3 Test appearance and structure 6 6.4 Operating temperature range Test 6 6.5 Minimum extended operating temperature Test 6 6.6 Temperature fluctuation test 6 6.7 Temperature Uniformity Test 7 6.8 Heating time Test 8 Safety and environmental protection test 8 6.9 7 Inspection rules 9 7.1 Inspection classification 9 7.2 Test item 9 7.3 factory inspection 10 10 7.4 Inspection stereotypes 7.5 Periodic Inspection 10 8 Marking 11 11 8.1 General Requirements 8.2 Classification mark 12 8.3 Product nameplate 12 8.4 Operations with 12 flags 12 8.5 Safety Signs 8.6 Package Marking 12 9 packaging, transportation and storage 12 9.1 Packaging 12 9.2 Transport 13 9.3 Storage 13 10 accompanying documents 13 10.1 Technical Paper 13 10.2 Other documents 13

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Machinery Industry Federation. The standard by the 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, Southern Jiangsu Wuxi Test Equipment Co., Ltd., Hunan measurement Detection Homes, and the Ministry of Information Industry Institute of Electronics V, on 海爱斯佩克 Environmental Equipment Co., Ltd. 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, Jinli Hui, Zhou Lianqin, Ni Yiming, Xiong Zhiming, Zousu Yang, Feng Hua, Xu Qiuling, He Gang Jian, Liu Xiangheng, Zhouxiu Yuan, Wang Xiaofeng, Li Yaqin, Lim Chun Wing, Wang Jialong, only Shen Zhong, Jinmei Feng, Wang Huabin. Thermostatic bath and circulating means Hot bath

1 Scope

This standard specifies the classification of the bath temperature, conditions, requirements, test methods, inspection rules, marking, packaging, transportation, storage and with Line in the file. This standard applies not equipped with active cooling means to provide liquid heat transfer medium in the form of a constant temperature bath temperature environment (hereinafter referred to as high 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/T 16895.10-2010 low-voltage electrical installations Part 4-44. Protection for safety voltage electromagnetic harassment and harassment protection 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 a high temperature liquid heat transfer medium tank. Category Name hot bath, 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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 28850-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 28850-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 28850-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 28850-2012_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+ countries

Question 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 Sales@ChineseStandard.net. 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.