ut_iso

dB % Indicación % Pantalla 0 100 67 -1 89 63 -2 79 60 -3 71 57 -4 63 53 -5 56 50 -6 50 47 -7 45 43 -8 40 40 -9 35 37 -10 32 33 -11 28 30 -12 25 27 -13 22 23 -14 20 20 -15 18 17 -16 16 13 -17 14 10 -18 13 7 -19 11 3 -20 10 0 dB = 20 log 10 (A1/A0) % ind = 10 (dB/20)

Upload: damian23

Post on 04-Oct-2015

1 views

Category:

Documents

0 download

Report

Download

Embed Size (px):

DESCRIPTION

Criterio de aceptación ultrasonidos según norma europea

TRANSCRIPT

dB % Indicacin % Pantalla

0 100 67

-1 89 63

-2 79 60

-3 71 57

-4 63 53

-5 56 50

-6 50 47

-7 45 43

-8 40 40

-9 35 37

-10 32 33

-11 28 30

-12 25 27

-13 22 23

-14 20 20

-15 18 17

-16 16 13

-17 14 10

-18 13 7

-19 11 3

-20 10 0

dB = 20 log10 (A1/A0)

%ind = 10 (dB/20)