BS ISO 7004:2002
Current
Photography. Industrial radiographic films. Determination of ISO speed, ISO average gradient and ISO gradients G2 and G4 when exposed to X- and gamma-radiation
Hardcopy , PDF
English
10-16-2002
Specifies methods for measuring the ISO average gradient of industrial radiographic film when exposed directly to X and y radiation. Coverage includes: film holders, scattered radiation, film holders, modulation, and densitometry. Also gives detailed tables.
| Committee |
CPW/42
|
| DevelopmentNote |
Supersedes BS 5230(1975) Supersedes 99/703327 DC (12/2002) Reviewed and confirmed by BSI, August 2016. (07/2016)
|
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies methods for determining sensitometric curve shape, ISO speed, ISO average gradient and ISO gradients G2 and G4 for industrial radiographic systems consisting of film and film processing when exposed directly to X-rays and γ-rays. The measurement of characteristics of film systems used in industrial radiography with fluorescent intensifying screens is not specified in this International Standard.
NOTE Units of measured energy are given for information in annex A.
| Standards | Relationship |
| ISO 7000:2014 | Identical |
| ISO 7004:2002 | Identical |
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