Maico touchTymp MI 26 - Page 88

Operation Manual touchTymp MI 26 and MI 36 Version
8511780 Rev. 4
87
30/06/2021
6.4.2 Calibration Values and Maximum Levels – Audiometry
Calibration Values and Max Levels: Headphone DD45
Coupler IEC 60318-3
Fre-
quency
[Hz]
Tone
IEC 60318-3
RETSPL dB
re 20µPa
NBN
IEC 60318-3
RETSPL dB
re 20µPa
Tone
Max Level
[dB HL]
NBN
Max Level
[dB HL]
SOUND
ATTENUA-
TION [dB]
ISO 4869-1
125
47.5
51.5
85
65
3
250
27.0
31.0
105
85
5
500
13.0
17.0
120
100
7
750
6.5
11.5
120
105
-
1000
6.0
12.0
120
105
15
1500
8.0
14.0
120
105
-
2000
8.0
14.0
120
105
26
3000
8.0
14.0
120
105
-
4000
9.0
14.0
120
105
32
6000
20.5
25.5
110
95
-
8000
12.0
17.0
105
95
24
White Noise
-
0.0
-
120
-
Calibration Values: Insert Earphone IP30
Reference equivalent threshold sound pressure level
Fre-
quency
[Hz]
Tone
IEC 60318-5
RETSPL dB
re 20µPa
NBN
IEC 60318-5
RETSPL dB
re 20µPa
Tone
Max Level
[dB HL]
NBN
Max Level
[dB HL]
SOUND
ATTENUA-
TION [dB]
ISO 4869-1
125
26.0
30.0
90
85
33.5
250
14.0
18.0
105
100
34.5
500
5.5
9.5
110
105
34.5
750
2.0
7.0
115
110
-
1000
0.0
6.0
120
110
35.0
1500
2.0
8.0
120
110
-
2000
3.0
9.0
120
110
33.0
3000
3.5
9.5
120
110
-
4000
5.5
10.5
115
105
39.5
6000
2.0
7.0
100
95
-
8000
0.0
5.0
90
90
43.5
White Noise
-
0.0
-
110
-