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JJF 1337-2012 English PDF

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Q: Should I purchase the latest version JJF 1337-2012?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1337-2012 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$324.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1337-2012: Calibration Specification for Acoustic Emission Sensors (Comparative Method)
Status: Valid

JJF 1337: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1337-2012	324	Add to Cart	3 days	Calibration Specification for Acoustic Emission Sensors (Comparative Method)	Valid
JJF 1337-1990	199	Add to Cart	2 days	O.T.N. of 4πβ(PC)-γ Coincidence Secondary Standard of Measuring Activity	Obsolete

Similar standards

GB/T 3222.2 GB/T 3222.1 JJG 188 JJF 1339 JJF 1340 JJF 1338

Basic data

Standard ID: JJF 1337-2012 (JJF1337-2012)
Description (Translated English): Calibration Specification for Acoustic Emission Sensors (Comparative Method)
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A59
Classification of International Standard: 17.140
Word Count Estimation: 17,180
Quoted Standard: JJF 1001-2011; JJF 1034-2005; JJF 1059-1999; GB 3102.7-1993; GB/T 3947-1996; GB/T 12604.4-2005; GB/T 19801-2005
Adopted Standard: ISO 12714-1999, IDT
Regulation (derived from): AQSIQ Announcement No. 45 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard specifies the receiving solid medium wave and P-wave measurement of acoustic emission sensor characteristics, calibration conditions and calibration methods. This standard applies to secondary calibration of acoustic emission sensors.

JJF 1337-2012: Calibration Specification for Acoustic Emission Sensors (Comparative Method)

---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.
Calibration Specification for Acoustic Emission Sensors (Comparative Method) People's Republic of China National Metrology Technical Specifications Acoustic emission sensor calibration specification (comparison) Issued on. 2012-03-20 2012-06-20 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Acoustic emission sensor calibration specification (Comparison) Sensors (ComparativeMethod Focal point. the National Committee of the acoustic measurement technology Drafting units. China Institute of Metrology China Special Equipment Inspection and Research Institute Fujian Institute of Metrology This specification metering commissioned National Technical Committee is responsible for interpreting acoustics Drafters of this specification. He Longbiao (China Institute of Metrology) Li Guanghai (China Special Equipment Inspection and Research Institute) Yang Ping (China Institute of Metrology) Niu Feng (China Institute of Metrology) Lie (Fujian Institute of Metrology)

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 terminology and units of measurement (1) 3.1 Acoustic Emission (1) 3.2 Test Block (1) 4 Overview (1) 5 Metrological characteristics (2) 5.1 Frequency Response (2) 5.2 maximum sensitivity level (2) Calibration Condition 6 (2) 6.1 environmental conditions (2) 6.2 standards and other measuring equipment (2) 7 calibration items and calibration methods (3) 7.1 calibration items (3) 7.2 Calibration method (3) 8 calibration results (5) 8.1 Calibration records (5) 8.2 Calibration Data Processing (5) 8.3 calibration certificate (5) 8.4 Calibration of Uncertainty Evaluation (5) 9 Recalibration interval (6) Appendix A calibration certificate (7) Appendix B Uncertainty Evaluation calibration sample (9)

Introduction

This specification based JJF 1071-2010 "national measurement calibration specifications write rules" in preparation. JJF 1337-2012 "acoustic emission sensor calibration specification (Comparative Law)" reference identical with ISO 12714. 1999 national standard GB/T 19801-2005 "destructive testing - Acoustic emission testing acoustic emission sensors secondary school Secondary calibration method quasi "prescribed receiving solid medium wave acoustic emission sensors. Acoustic emission sensor calibration specification (comparison)

1 Scope

This specification defines the measured characteristics of the received solid medium wave and longitudinal wave acoustic emission sensors, calibration conditions and The calibration method. This instruction applies to secondary calibration of acoustic emission sensors. 2. References This specification references the following documents. JJF 1001-2011 common measurement terms and definitions JJF 1034-2005 acoustic measurement terminology and definitions JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement GB 3102.7-1993 Quantities and units of acoustics GB/T 3947-1996 Acoustics Terminology GB/T 12604.4-2005 Terminology for nondestructive testing - Acoustic emission testing GB/T 19801-2005 destructive testing - Acoustic emission inspection - Secondary calibration of acoustic emission sensors For dated references, only the dated edition applies to this specification; undated reference documents Member, the latest edition (including any amendments) applies to this specification.

3 terminology and units of measurement

JJF 1001-2011, JJF 1034-2005, GB/T 3947-1996 and GB/T 12604.4-2005 community And given the following terms and definitions apply to this specification. This specification uses quantities and units GB/T 3102.7-1993 requirements. 3.1 Acoustic emission acousticemission Rapid release of energy within the material phenomenon generated by transient elastic waves. 3.2 Test Block testblock Isotropic and homogeneous elastomeric block. Note. for placing the excitation source, the reference sensor and test sensor.

4 Overview

Acoustic emission signals of acoustic emission sensors for receiving material or internal structures, pressure vessels, piping, nuclear power equipment And many other types of structures can be monitored using acoustic emission technique. Commonly used are based on the acoustic emission piezoelectric effect Sensor sensitivity is defined as the mechanical input per unit (displacement, velocity, acceleration) of the output voltage when mechanical When the input speed, using the formula (1). S = Uv (1) ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1337-2012_English be delivered?

Answer: Upon your order, we will start to translate JJF 1337-2012_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 JJF 1337-2012_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1337-2012_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.

Question 5: Should I purchase the latest version JJF 1337-2012?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1337-2012 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.