Maico MI 34 - Calibration Values

Operation Manual touchTymp MI 24 and MI 34 Version
8107420 Rev. 6
65
03/09/2018
6.4 Calibration Values
COUPLER TYPES USED BY CALIBRATION
IOW Probe (probe
system):
Calibrated using a IEC 60318-5 (2cc) acoustic coupler made
in accordance to MAICO Standard Values
IP30
CIR22/CIR55 :
Calibrated using a IEC 60318-5 (2cc) acoustic coupler made
in accordance to ISO 389-2:1994
DD45C:
Calibrated using a IEC 60318-3 (6cc) acoustic coupler made
in accordance to MAICO Standard Values
REFERENCE VALUES FOR STIMULUS CALIBRATION
Fre-
quency
[Hz]
Reference equivalent threshold sound pressure level [RETSPL,
dB re. 20 Pa]
IP30/CIR22/CIR55
ISO 389-2
DD45 C
IOW Probe
MAICO Standard
Values
MAICO
Standard
Values**
SOUND
ATTENUA-
TION [dB]
ISO 4869-1
500
5.5
13.0*
7
9.5*
1000
0.0
6.0*
15
6.5*
2000
3.0
8.0*
26
12.0*
4000
5.5
9.0*
32
3.5*
BB
-5.0*
-8.0*
-
-5.0*
LP
-7.0*
-6.0*
-
-7.0*
HP
-8.0*
-10.0*
-
-8.0*
*All values marked with a star are MAICO Standard Values.
FREQUENCIES AND MAXIMUM VALUES FOR IMMITTANCE
Center
Frequency
[Hz]
Intensities [dB HL]
IP30
CIR22/CIR55
DD45 C
IOW Probe
Tone/Noise
Tone/Noise
Tone/Noise
Tone/Noise
500
110
110
120
100
1000
120
115
120
105
2000
120
115
120
105
4000
120
110
120
100
BB
115
115
120
95
LP
120
115
120
100
HP
120
115
120
95