Vážení zákazníci, v letošním roce budeme expedovat poslední objednávky ve středu 18. 12. 2024.

Těšíme se s vámi na shledanou od pondělí 06. 01. 2025.

 

Cena s DPH / bez DPH
Hlavní stránka>PD CEN ISO/TS 18090-1:2019 Radiological protection. Characteristics of reference pulsed radiation Photon radiation
Sponsored link
sklademVydáno: 2019-11-05
PD CEN ISO/TS 18090-1:2019 Radiological protection. Characteristics of reference pulsed radiation Photon radiation

PD CEN ISO/TS 18090-1:2019

Radiological protection. Characteristics of reference pulsed radiation Photon radiation

Formát
Dostupnost
Cena a měna
Anglicky Zabezpečené PDF
K okamžitému stažení
6820 Kč
Čtěte normu po dobu 1 hodiny. Více informací v kategorii E-READING
Čtení normy
na 1 hodinu
682.00 Kč
Čtěte normu po dobu 24 hodin. Více informací v kategorii E-READING
Čtení normy
na 24 hodin
2046.00 Kč
Anglicky Tisk
Skladem
6820 Kč
Označení normy:PD CEN ISO/TS 18090-1:2019
Počet stran:26
Vydáno:2019-11-05
ISBN:978 0 539 04159 0
Status:Standard
Popis

PD CEN ISO/TS 18090-1:2019


This standard PD CEN ISO/TS 18090-1:2019 Radiological protection. Characteristics of reference pulsed radiation is classified in these ICS categories:
  • 13.280 Radiation protection
ISO/TS 18090-1:2015 is directly applicable to pulsed X-radiation with pulse duration of 0,1 ms up to 10 s. This covers the whole range used in medical diagnostics at the time of publication. Some specifications may also be applicable for much shorter pulses; one example is the air kerma of one pulse. Such a pulse may be produced, e.g. by X-ray flash units or high-intensity femtosecond-lasers. Other specifications are not applicable for much shorter pulses; one example is the time-dependent behaviour of the air kerma rate. This may not be measurable for technical reasons as no suitable instrument is available, e.g. for pulses produced by a femtosecond-laser. ISO/TS 18090-1:2015 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: a) time-dependent behaviour of the air kerma rate of the pulse; b) time-dependent behaviour of the X-ray tube high voltage during the pulse; c) uniformity of the air kerma rate within a cross-sectional area of the radiation beam; d) air kerma of one radiation pulse; e) air kerma rate of the radiation pulse; f) repetition frequency. ISO/TS 18090-1:2015 does not define new radiation qualities. Instead, it uses those radiation qualities specified in existing ISO and IEC standards. This part of ISO/TS 18090 gives the link between the parameters for pulsed radiation and the parameters for continuous radiation specifying the radiation qualities. It does not specify specific values or series of values for the pulsed radiation field but specifies only those limits for the relevant pulsed radiation parameters that are required for calibrating dosemeters and dose rate meters and for determining their response depending on the said parameters. 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.