This part of ISO/TS 18090 specifies the characteristics of reference pulsed radiation for calibrating and testing radiation protection dosemeters and dose rate meters with respect to their response to pulsed radiation. The radiation characteristics includes the following:
- time-dependent behaviour of the air kerma rate of the pulse;
- time-dependent behaviour of the X-ray tube high voltage during the pulse;
- uniformity of the air kerma rate within a cross-sectional area of the radiation beam;
- air kerma of one radiation pulse;
- air kerma rate of the radiation pulse;
- repetition frequency.
The pulse parameters with respect to the phantom-related quantities were determined using conversion coefficients according to ISO 4037 (all parts). This is possible as the radiation qualities specified in existing ISO and IEC standards are used.
A given reference pulsed X-ray facility is characterized by the parameter ranges over which the full specifications and requirements according to this part of ISO/TS 18090 are met. Therefore, not all reference pulsed X-ray facilities can produce pulses covering the same parameter ranges.
Cross References:
ISO 4037-1:1996
ISO 4037-2:1997
IEC 60050-395:2014
IEC 61267:2005
ICRU 34
ISO 4037-3:1999
IEC 60050
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