
156
Appendix D Display accuracy and acoustic measurement uncertainties
In accordance with IEC60601-2-37 and NEMA UD-3 2004, the display accuracy and measurement uncertainty for
acoustic measurement are summarised in the following table.
The display accuracy of MI is ±20%, and TI is ±40% or <0.1, if MI,TI is below 0.5.
Item
Measurement uncertainty
(Percentage at 95% confidence limit)
Centre frequency
± 5%
Acoustic power
± 30%
Acoustic intensity
± 30%
Peak rarefactional pressure
± 15%
Содержание Sonido Smart
Страница 1: ...Instructions for Use SonidoSmart EN ...
Страница 64: ...49 Obstetrics markers Gynaecology markers Paediatric markers Urology markers ...
Страница 65: ...50 Small parts markers Vascular markers ...
Страница 66: ...51 Nerve markers Quick markers ...