GB/T 20441.4-2006 English PDFUS$234.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 20441.4-2006: Measurement microphones -- Part 4: Specifications for working standard microphones Status: Valid
Basic dataStandard ID: GB/T 20441.4-2006 (GB/T20441.4-2006)Description (Translated English): Measurement microphones -- Part 4: Specifications for working standard microphones Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: A59 Classification of International Standard: 17.140.50 Word Count Estimation: 12,164 Date of Issue: 2006-08-23 Date of Implementation: 2007-02-01 Quoted Standard: GB/T 15173-1994; IEC 61094-1-1992; IEC 61094-2-1992; IEC 61094-3-1995; ISO 1993; ANSI B1.1-1982 Adopted Standard: IEC 61094-4-1995, IDT Regulation (derived from): China Announcement of Newly Approved National Standards No. 9, 2006 (No. 96 overall) 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 applies to working standard microphones. This section specifies the measurement system for the determination of the working standard microphones sound pressure mechanical dimensions and acoustic properties, these microphones can be used as the acoustic measurement instrument calibration transfer standards. This section provides a working standard microphones classification methods, depending on size and performance will be divided into several types of microphone, so that standardized measurement system, with acoustic calibrator to calibrate the measurement system and microphones, as well as measurement and calibration systems interchangeable microphone sex. This part of the work standard microphones Transducer principle not be described. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 20441.4-2006_English be delivered?Answer: Upon your order, we will start to translate GB/T 20441.4-2006_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 20441.4-2006_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 20441.4-2006_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+ countriesQuestion 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. |