
Operation Manual MA 42
8100460 Rev.7 Ver.1
55
12/15
11.
Technical Data
Classification
The MA 42 audiometer is an active, diagnostic medical product
according to the class Ia of the EU medical directive 93/42/EEC.
Technical Data
Standards:
ANSI S3.6: Type 2A
IEC 60645-1: Type 2
IEC 60645-2: Type A
ISO 389 Acoustics – Reference zero
for calibration of audiometric
equipment
IEC 60601-1 class I, protection class
B, International Standards for Medical
Electrical Equipment
Medical Device Directive 93/42/EEC
Test Frequencies:
125 Hz – 8,000 Hz
8,000 Hz – 16,000 Hz optional*
Level Step:
5 dB, 2 dB or 1 dB level steps (user
selectable)
Maximum Sound Pressure Level:
AC with earphone DD 45:
- 10 dB
HL
to 120 dB
HL
BC with B 71/B 71 W Bone Conduction
Oscillator:
- 10 dB
HL
to 80 dB
HL
Insert earphones IP30:
- 10 dB
HL
to 120 dB
HL
Sound field speaker from Amp
(using SP90 Speaker Kit with AP70 Amplifier)
:
Tones:
- 10 dB
HL
to 100 dB
HL
Speech:
- 10 dB
HL
to 90 dB
HL
Sound field speaker from MA 42
(using SP90 Speaker Kit)
:
Содержание MA 42
Страница 1: ...Operation Manual MA 42...
Страница 2: ......