Maico MA 42 Operating Instructions

Operating Instructions MA 42
Operating_Instructions_8100460-6_MA42_e_15a 60 8100460-6 1/15
Calibration values: Insert phone Eartone 3A
Reference equivalent threshold sound pressure level
Frequency
[Hz]
Tone IEC
60318-5
RETSPL dB re
20µPa
NBN IEC
60318-5
RETSPL dB re
20µPa
Tone
Max Level
[dBHL]
NBN
Max Level
[dBHL]
sound
damping
[dB]
125
26.0
30.0
90
90
32.5
250
14.0
18.0
105
105
36
500
5.5
9.5
110
110
37.5
750
2.0
7.0
115
110
-
1000
0.0
6.0
120
110
36.5
1500
2.0
8.0
120
110
-
2000
3.0
9.0
120
110
33
3000
3.5
9.5
120
110
-
4000
5.5
10.5
115
110
39.5
6000
2.0
7.0
100
100
-
8000
-1.0
4.0
95
95
42.5
Signal
IEC60645-2
RETSPL
IEC Max
Level [dBHL]
ANSI S3.6
RETSPL
ANSI Max
Level [dBHL]
Speech
20.0
100
12.5
100
SN
20.0
100
12.5
100
WN
0.0
100
0.0
100
Calibration values: Bone conductor Radioear B71W Force: 4.9 ... 5.9 N
Mastoid placement
Frequency [Hz]
Reference equivalent threshold
force level for tone
Air radiation
Max level
ISO 389 - 3
ANSI S3.6
mean/max
[dB]
Tone
[dBHL]
250
67
67
-
45
500
58
58
-
60
750
48.5
48.5
-
70
1000
42.5
42.5
-
70
1500
36.5
36.5
-
70
2000
31
31
-
75
3000
30
30
4 / 18
80
4000
35.5
35.5
-
80
6000
40
40
10.5 / 31
50
8000
40
40
-
50
Signal
IEC60645-2
RETSPL
IEC Max Level
[dBHL]
ANSI S3.6
RETSPL
ANSI Max Level
[dBHL]
Speech
35.00
75
55.00
75
SN
35.00
75
55.00
75
WN
42.50
70
42.50
70

Maico MA 42 Specifications

General

Brand	Maico
Model	MA 42
Category	Medical Equipment
Language	English