ASTM-E1002:2011 Edition

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E1002-11 Standard Practice for Leaks Using Ultrasonics

Published By	Publication Date	Number of Pages
ASTM	2011	4

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Category: ASTM

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Description

ASTM E1002-11

Historical Standard: Standard Practice for Leaks Using Ultrasonics

ASTM E1002

Scope

1.1 Practice A, Pressurization—This practice covers procedures for calibration of ultrasonic instruments, location, and estimated measurements of gas leakage to atmosphere by the airborne ultrasonic technique.

1.2 In general practice this should be limited to leaks detected by two classifications of instruments, Class I and Class II. Class I instruments should have a minimum detectable leak rate of 6.7 × 10⁻⁷ mol/s (1.5 × 10⁻² std. cm³/s at 0°C) or more for the pressure method of gas leakage to atmosphere. Class II instruments should have a minimal detectable leak rate of 6.7 × 10⁻⁶ mol/s (1.5 × 10⁻¹ std. cm³/s at 0°C) or more for the pressure method of gas leakage to atmosphere. Refer to Guide E432 for additional information.

1.3 Practice B, Ultrasonic Transmitter—For object under test not capable of being pressurized but capable of having ultrasonic tone placed/injected into the test area to act as an ultrasonic leak trace source.

1.3.1 This practice is limited to leaks producing leakage of 6.7 × 10⁻⁶ mol/s (1.5 × 10⁻¹ std. cm³/s at 0°C) or greater.

1.4 The values stated in SI units are to be regarded as the standard.

1.5 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 consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

leak detectionultrasonic; leak testing; leakage rate; ultrasonic detector; Leak testing; Leak testing–gas; Pressure testing–leaks; Ultrasonic testing

ICS Code

ICS Number Code 19.100 (Non-destructive testing)

DOI: 10.1520/E1002-11

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Practice Basis of Application
2	Significance and Use Interferences Apparatus Calibration
3	General Considerations Detection and Location of Pressurized Gas Leaks FIG. 1
4	Report Keywords