Standard Guide for Measuring Some Electronic Characteristics of Ultrasonic Testing InstrumentsName übersetzen
NORM herausgegeben am 1.6.2016
Bezeichnung normen: ASTM E1324-16
Ausgabedatum normen: 1.6.2016
Zahl der Seiten: 11
Gewicht ca.: 33 g (0.07 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
electronic characteristics, evaluation, instruments, linearity, pulsers, receivers, ultrasonic ,, ICS Number Code 19.100 (Non-destructive testing)
|Significance and Use|
4.1 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.
4.2 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.
4.3 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.
4.4 This guide is meant to be used by electronic personnel to evaluate the electronic system components and not the ultrasonic system characteristics.
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:
1.1.2 Pulser Section:
1.1.3 Receiver Section:
1.1.5 Gate/Alarm Section:
1.2 This guide complements Practice , 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 Units—The 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.
|2. Referenced Documents|
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