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GB/T 21399-2008 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 21399-2008: Evaluating rule of automatic control system for grain driers
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21399-2008	189	Add to Cart	3 days	Evaluating rule of automatic control system for grain driers	Valid

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Basic data

Standard ID: GB/T 21399-2008 (GB/T21399-2008)
Description (Translated English): Evaluating rule of automatic control system for grain driers
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B91
Classification of International Standard: 65.060.99
Word Count Estimation: 8,838
Date of Issue: 2008-02-03
Date of Implementation: 2008-07-01
Quoted Standard: GB/T 2423.1-2001; GB/T 2423.2-2001; GB/T 2423.3-2006; GB 5491-1985; GB/T 5497-1985; GB/T 11605-2005; GB/T 17626.2-2006; GB/T 17626.3-2006; GB/T 17626.4-1998; GB/T 17626.5-1999; GB/T 17626.11-1999; GB 50054-1995
Regulation (derived from): National Standard Approval Announcement 2008 No.2 (Total No.115)
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 technical properties of grain dryers automatic control system requirements, test methods and evaluation methods. This standard applies to all types of grain dryer automatic control system.

GB/T 21399-2008: Evaluating rule of automatic control system for grain driers

---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.
Evaluating rule of automatic control system for grain driers ICS 65.060.99 B91 National Standards of People's Republic of China Grain dryer automatic control system assessment rules Posted 2008-02-03 2008-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee of agricultural machinery. This standard was drafted. Chinese Academy of Agricultural Mechanization Sciences. The main drafters. Zhang Chao, Huxiao An. Grain dryer automatic control system assessment rules

1 Scope

This standard specifies the technical performance requirements grain dryer automatic control system, test methods and evaluation methods. This standard applies to all types of grain dryer automatic control system (control system).

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 2423.1-2001 Environmental testing for electric and electronic products Part 2. Test methods Test A. Cold (idt IEC 60068-2-1.1990) GB/T 2423.2-2001 Environmental testing for electric and electronic products Part 2. Test methods Test B. high temperature (idt IEC 60068-2-2. 1974) GB/T 2423.3-2006 Environmental testing for electric and electronic products Part 2. Test methods - Test Cab. Damp heat test (IEC 60068-2-78.2001, IDT) GB 5491-1985 grain and oilseeds testing for sampling, and sample method GB/T 5497-1985 grain and oilseeds - Determination of water test GB/T 11605-2005 humidity measurement GB/T 17626.2-2006 Electromagnetic compatibility - Testing and measurement techniques - Electrostatic discharge immunity test (IEC 61000-4-2.2001, IDT) GB/T 17626.3-2006 Electromagnetic compatibility - Testing and measurement techniques RFEMS test (IEC 61000-4- 3.2002, IDT) GB/T 17626.4-1998 Electromagnetic compatibility - Testing and measurement techniques - Electrical fast transient burst immunity test (idt IEC 61000-4-4.1995) GB/T 17626.5-1999 Electromagnetic compatibility - Testing and measurement techniques - Surge (impact) immunity test (idt IEC 61000-4-5. 1995) GB/T 17626.11-1999 Electromagnetic compatibility Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity Test (idt IEC 61000-4-11.1994) Low voltage power distribution design specifications GB 50054-1995

3 General requirements

3.1 General requirements 3.1.1 The control system manufactured in accordance with prescribed procedures approved product drawings and technical documents. 3.1.2 Control system components and parts shall comply with the relevant standards, and after passing inspection before assembly. 3.1.3 Control system should be able to work at a relative humidity of 0 ℃ ~ 40 ℃ ambient temperature, and 20% to 80% air. sensor And control means relative humidity should be able to work at -20 ℃ ~ 40 ℃ ambient temperature and 20% to 90% air. 3.2 Safety Requirements Fire control system should be set, static grounding, leakage and overload protection and other safety devices. Use of electrical components, electrical wire, electrical Connection, the control device shall be designed to comply with the relevant safety standards. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 21399-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 21399-2008_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 21399-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 21399-2008_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.