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GB/T 21978.3-2008 English PDF

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US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 21978.3-2008: Instrument for precipitation observation -- Part 3: Siphon rainfall recorder
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21978.3-2008	259	Add to Cart	3 days	Instrument for precipitation observation -- Part 3: Siphon rainfall recorder	Valid

Similar standards

GB/T 21978.5 GB/T 21978.2 GB/T 21997.1

Basic data

Standard ID: GB/T 21978.3-2008 (GB/T21978.3-2008)
Description (Translated English): Instrument for precipitation observation -- Part 3: Siphon rainfall recorder
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N93
Classification of International Standard: 07.060
Word Count Estimation: 11,120
Date of Issue: 2008-06-17
Date of Implementation: 2008-10-01
Regulation (derived from): Announcement of Newly Approved National Standards No. 10 of 2008 (total 123)
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 siphon rain gauge (hereinafter referred to as rain gauge) structure and composition of products, technical requirements, test methods, inspection rules and signs, instructions, packaging, transportation, storage and so on. This section applies to a continuous record rainfall, rainfall intensity rainfall time and siphon rain gauge.

GB/T 21978.3-2008: Instrument for precipitation observation -- Part 3: Siphon rainfall recorder

---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.
Instrument for precipitation observation Part 3. Siphon rainfall recorder ICS 07.060 N93 National Standards of People's Republic of China Precipitation observation instrument Part 3. Siphon rain gauge Posted 2008-06-17 2008-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 21978 "Precipitation observation instruments" is divided into seven parts. --- Part 1. gauges; --- Part 2. tipping bucket rain gauge; --- Part 3. Siphon rain gauge; --- Part 4. float rain gauge; --- Part 5. telemetry rain gauge; --- Part 6. Snowmelt snow meter; --- Part 7. Optical snow meter. This section GB/T 21978 Part 3. This section proposed by the People's Republic of China Ministry of Water Resources. This part of the National Technical Committee of Standardization Technical Committee hydrological hydrological instruments (TC199/SC1) centralized. This part mainly drafted by. MWR hydrological instruments and geotechnical engineering Instrument Quality Supervision and Testing Center, Nanjing Auto Hydrological The Institute. The main drafters of this section. Zhou Xiaoqing, Feng Na Min, Xu Lu, Lu Weijia. Precipitation observation instrument Part 3. Siphon rain gauge

1 Scope

This section GB/T 21978 specifies the siphon rain gauge (hereinafter referred to as gauges) product structures, technical requirements, test side Method, inspection rules and signs, instructions, packaging, transportation, storage and so on. This section applies to continuous recording rainfall, rainfall intensity and rainfall time siphon rain gauge.

2 Normative references

The following documents contain provisions which, through reference GB/T 21978 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 9359 Basic environmental testing instruments hydrological conditions and methods GB/T 13264 percent nonconforming small lot sampling inspection procedures and sample forms GB/T 18185-2000 hydrological instruments reliability technical requirements GB/T 18522.2 hydrologic instruments - Part 2. Reference Operating Conditions GB/T 18522.6 hydrologic instruments - Part 6. inspection rules and signs, packaging, transportation, storage and operation manual GB/T 19677 Terms and symbols for hydrological Instruments (GB/T 19677-2005, ISO 772. 1988, NEQ)

3 Terms and Definitions

GB/T 19677 and established the following terms and definitions apply GB/T 21978 in this section. 3.1 Has entered the mouth of the rain rains trapped part has not been measured. Wetting loss generally occurs when the rains start.

4 Product structure and composition

Cheng rain gauge by the mouth, float chamber, self-recording clock, siphons, etc., shown in Figure 1. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 21978.3-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 21978.3-2008_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 21978.3-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 21978.3-2008_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.