Inventis TRIANGLE Manual página 38

AC DD45
[dB SPL]
100
REFERENCE EQUIVALENT THRESHOLD LEVEL FOR PURE TONE
DD45
ISO 389-1
Ref.
(ANSI S3.6)
std.
Coupler: IEC 60318-3
Freq.
[Hz] [re 20 µPa]
125 47.0
250 27.0
500 13.0
750
1000
1500
2000
3000
4000
6000 20.5
8000 12.0
(*) Calibration of bone vibrator (B71) refers to mastoid placement.
(**) Value to apply for ANSI S3.6-2010
Freq
[Hz]
125
250
500
750
1000
1500
2000
3000
30
WHITE NOISE (WN)
MAXIMUM INTENSITIES
DD65
Vendor Tech.
Specificat.
Coupler: IEC 60318-1
dB
[re 20 µPa]
6.5
6.0
8.0
8.0
8.0
9.0
SOUND ATTENUATION VALUES
DD45
[dB]
3.0
5.0
7.0
-
15.0
-
26.0
-
AC DD65
[dB SPL]
85
ER-3C
ISO 389-2
(ANSI S3.6)
Coupler: IEC 60318-5
dB
[re 20 µPa]
30.5
17.0
8.0
5.5
4.5
2.5
2.5
2.0
9.5
21.0
21.
(*)
DD65
[dB]
15.5
26.1
32.4
43.6
AC ER-3C
[dB SPL]
95
ISO 389-3
(ANSI S3.6)
Mastoid: IEC 60318-6
dB
[re 1 µN]
26.0
14.0
5.5
2.0
0.0
2.0
3.0
3.5
5.5
2.0
0.0
ER-3C
8.3
-
-
-
B71(*)
dB
-
67.0
58.0
48.5
42.5
36.5
31.0
30.0
35.5
40.0
40.0
[dB]
33.5
34.5
34.5
-
35.0
-
33.0
-