ASTM E1324 - 11

    Standard Guide for Measuring Some Electronic Characteristics of Ultrasonic Testing Instruments

    Active Standard ASTM E1324 | Developed by Subcommittee: E07.06

    Book of Standards Volume: 03.03


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    Significance and Use

    The recommended measurement procedures described in this guide are intended to provide performance-related measurements that can be reproduced under the specified test conditions using commercially available test instrumentation. These measurements indicate capabilities of sections of the ultrasonic testing instrument independent of specific transducers or examination conditions. Measurements are made from normally available connectors or test points so that no access to internal circuitry is required. Further, this guide is not intended for service, calibration, or maintenance of circuitry for which the manufacturer's instructions are available. It is intended primarily for pulse echo flaw detection instruments operating in the nominal frequency range of 100 kHz to 25 MHz, but the procedures are applicable to measurements on instruments utilizing significantly higher frequency components.

    These procedures can be applied to the evaluation of any pulse-echo ultrasonic testing instrument which can be described as a combination of the electronic sections discussed in this guide.

    Note 2—These procedures are not intended to preclude the use or application of equipment for which some or all of the measurement techniques of this document are not applicable.

    An ultrasonic testing instrument that cannot be completely described as a combination of the electronic sections discussed in this practice can be partially evaluated. Each portion of the ultrasonic testing instrument that is evaluated must fit the description for the corresponding section.

    This guide is meant to be used by electronic personnel to evaluate the electronic system components and not the ultrasonic system characteristics.

    1. Scope

    1.1 This guide describes procedures for electronically measuring the following performance-related characteristics of some sections of ultrasonic instruments:

    1.1.1 Power Supply Section:

    line regulation,
    battery discharge time, and
    battery charge time.

    1.1.2 Pulser Section:


    pulse shape,
    pulse amplitude,
    pulse rise time, pulse length, and
    pulse frequency spectrum.

    1.1.3 Receiver Section:


    vertical linearity,
    frequency response,
    noise and sensitivity, and
    dB controls.

    1.1.4 Time Base Section:


    horizontal linearity, and
    clock (pulse repetition rate).

    1.1.5 Gate/Alarm Section:


    delay and width,
    resolution,
    alarm level,
    gain uniformity,
    analog output, and
    back echo gate.

    1.2 This guide complements Practice E317, and is not intended for evaluating the performance characteristics of ultrasonic testing instruments on the inspection/production line.

    Note 1—No access to internal circuitry is required.

    1.3 UnitsThe values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. ^REFERENCE:

    ASTM Standards:

    D2548 Method of Test for Analysis of Oil Soluble Petroleum Sulfonates by Liquid Chromatography; Replaced by D 3712 (Withdrawn)

    E317 Practice for Evaluating Performance Characteristics of Ultrasonic Pulse-Echo Testing Instruments and Systems without the Use of Electronic Measurement Instruments

    E1316 Terminology for Nondestructive Examinations

    ISO Standard:

    ISO 10012 Measurement Management SystemsRequirements for Measurement Processes and Measuring Equipment

    ANSI Standard:

    Z540-1 General Requirements for Calibration Laboratories and Measurement and Test Equipment

    Other Standard:

    IEEE Std. 100, IEEE Standard Dictionary of Electrical and Electronics Terms


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D2548 Method of Test for Analysis of Oil Soluble Petroleum Sulfonates by Liquid Chromatography; Replaced by D 3712

    E317 Practice for Evaluating Performance Characteristics of Ultrasonic Pulse-Echo Testing Instruments and Systems without the Use of Electronic Measurement Instruments

    E1316 Terminology for Nondestructive Examinations

    ISO Standard

    ISO10012 Measurement Management Systems--Requirements for Measurement Processes and Measuring Equipment Available from International Organization for Standardization (ISO), 1, ch. de la Voie-Creuse, CP 56, CH-1211 Geneva 20, Switzerland, http://www.iso.org.

    ANSI Standard

    Z540-1 General Requirements for Calibration Laboratories and Measurement and Test Equipment Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.

    Other Standard

    IEEEStd.100, IEEE Standard Dictionary of Electrical and Electronics Terms Available from Institute of Electrical and Electronics Engineers, Inc. (IEEE), 445 Hoes Ln., P.O. Box 1331, Piscataway, NJ 08854-1331


    ICS Code

    ICS Number Code 19.100 (Non-destructive testing)

    UNSPSC Code

    UNSPSC Code 41111804(Ultrasonic examination equipment)


    DOI: 10.1520/E1324-11

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