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JJF 1294-2011 English PDF

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Q: Should I purchase the latest version JJF 1294-2011?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1294-2011 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$349.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJF 1294-2011: Calibration Specification for Transducers of Ultrasonic Flaw Detector
Status: Valid

JJF 1294: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1294-2011	349	Add to Cart	3 days	Calibration Specification for Transducers of Ultrasonic Flaw Detector	Valid
JJF 1294-1990	319	Add to Cart	3 days	O.T.N. for Primary Standard of Magnetic Induction	Obsolete

Similar standards

GB/T 3222.2 GB/T 3222.1 JJG 188 JJF 2012 JJF 1289 JJF 1288

Basic data

Standard ID: JJF 1294-2011 (JJF1294-2011)
Description (Translated English): Calibration Specification for Transducers of Ultrasonic Flaw Detector
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A59
Classification of International Standard: 17.140
Word Count Estimation: 15,145
Date of Issue: 2011-07-04
Date of Implementation: 2011-10-04
Quoted Standard: JJF 1001-1998; JJF 1034-2005; JJF 1059-1999; GB 3102.7-1993; GB/T 12604.1-2005; GB/T 18694-2002; EN 12668-2-2001
Regulation (derived from): AQSIQ Announcement No. 104 of 2011
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard specifies the type A display of ultrasonic flaw detector transducer (also known as probe) measurement characteristics, calibration conditions and handsome registration method. This standard applies to the center frequency in the range 0. 5MHz ~ 15MHz probe calibration.

JJF 1294-2011: Calibration Specification for Transducers of Ultrasonic Flaw Detector

---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 Transducers of Ultrasonic Flaw Detector People's Republic of China National Metrology Technical Specifications Ultrasonic flaw detector transducer calibration specification Issued on. 2011-07-04 2011-10-04 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Ultrasonic flaw detector transducer Calibration Specification This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on July 4, 2011, and from From October 4, 2011 implementation. Focal point. the National Committee of the acoustic measurement technology Main drafting unit. Jilin Institute of Metrology Shantou Institute of Ultrasonic Instruments Co., Ltd. Participated in the drafting unit. Institute of Measurement and Detection Guangzhou This specification metering commissioned National Technical Committee is responsible for interpreting acoustics The main drafters of this specification. Room-laid (Jilin Institute of Metrology) Yan surplus (Jilin Institute of Metrology) Wang Xingxiong (Shantou Institute of Ultrasonic Instruments Co., Ltd.) Drafters participate. Han Xiaofei (Jilin Institute of Metrology) Zhou Changhua (Guangzhou Institute of Measurement and Detection)

1 Scope (1) 2. Referenced Documents (1) 3 terminology and units of measurement (1) 3.1 Relative pulse-echo sensitivity (1) 3.2 angle probe incident point (1) 4 Overview (1) 5 Metrological characteristics (2) Pulse width 5.1 (2) The center frequency of 5.2 (2) Relative bandwidth 5.3 (2) 5.4 Relative pulse-echo sensitivity (2) 5.5 angle probe incident point (2) 5.6 angle probe beam angle (2) Calibration Condition 6 (2) 6.1 environmental conditions (2) 6.2 Standard device and main equipment (2) 7 calibration items and calibration methods (3) 7.1 calibration items (3) 7.2 Calibration method (3) 8 calibration results expression (6) 8.1 Calibration Data Processing (6) 8.2 calibration certificate (6) 8.3 Calibration of Uncertainty Evaluation (6) 9 Recalibration interval (6) Appendix A recommended calibration certificate contents (7) Appendix B Uncertainty evaluation calibration results of examples (9) Ultrasonic flaw detector transducer calibration specification

1 Scope

This specification defines the A-type ultrasonic flaw detector display transducer (also called probes) the metrological characteristics, calibration strip Member and calibration methods. This standard applies to the center frequency calibration of the probe within the 0.5MHz ~ 15MHz range.

2 Citations

This specification refers to the following documents. JJF 1001-1998 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 12604.1-2005 Terminology for nondestructive testing Ultrasonic testing Characterization of GB/T 18694-2002 Ultrasonic inspection and sound field EN12668-2.2001 Non-destructive testing and performance testing - Ultrasonic testing equipment - Part 2. Probe (Non-destructivetesting-Characterizationandverificationofultrasonicexamination equipment-Part 2. Probes) When using this specification it should be noted that using the currently valid version of the documents cited.

3 terminology and units of measurement

This specification uses quantities and units specified in GB 3102.7-1993. This specification uses JJF 1001-1998, JJF 1034-2005, GB/T 12604.1-2005 as defined in the following terms and definitions. 3.1 Relative pulse-echo sensitivity relativepulseechosensitivity From the specified reflector zoom back before the peak - peak-to-peak voltage applied on the probe - the ratio of peak voltage. NOTE. pulser/receiver set single transmit/receive mode, the relative sensitivity of the pulse-echo the formula shown in Equation (1). Srel = 20lg (Ue/Ua) (1) Where. Srel --- Relative pulse-echo sensitivity, dB; Ue --- from the specified reflector zoom back before the peak - peak voltage, V; Ua --- applied to the peak on the probe - peak voltage, V. 3.2 points angleprobeindex incident angle probe Beam axis through the bottom surface of the probe point. Note. This point is usually the side with the probe indicates scale reading.

4 Overview

Ultrasonic flaw detector transducer is in the ultrasonic frequency range to convert electrical energy into mechanical energy and/or mechanical energy is converted into ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1294-2011_English be delivered?

Answer: Upon your order, we will start to translate JJF 1294-2011_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 1294-2011_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1294-2011_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 1294-2011?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1294-2011 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.