AmpliVox 170 - 7 Technical Information

21
D-0115687-C (OM008) – 170 Operating Manual
Definition: Class II equipment – equipment in which
protection against electric shock does not rely on basic
insulation only, but in which additional safety precautions
such as double insulation or reinforced insulation are
provided, there being no provision for protective earthing
or reliance upon installation conditions.
7 Technical Information
Audiometer
Audiometer type: Type 4 (IEC 60645-1:2001)
Type 4 (ANSI S3.6:2004)
Transducers
Types and reference levels: DD45: ISO 389-1, Table 2
Static headband force: Headphones: 4.5N
Sound attenuation characteristics: ISO8253-1, Table 3
Earphone Sound Attenuation Characteristics
Frequency, Hz
125
250
500
1000
2000
4000
8000
Attenuation, dB
3
5
7
15
26
32
24
Environmental
Operating temperature: +15
o
C to +35
o
C
Operating humidity: 30% to 90% (non-condensing)
Atmospheric pressure: 700 hPa to 1060 hPa
Input / Output
Power input: 2.5mm barrel-type socket.
Patient response input: 6.3mm Jack socket
Left & Right outputs: 6.3mm Jack socket
USB: Type B socket
Printer: RJ12 socket (6-way)
Maximum voltage at any output: 12V peak