MA 25 Operating Manual
18
9.
Technical data
Standards:
Audiometer :
EN 60645-1/ANSI S3.6, Type 4
Safety :
EN 60601-1
EMC :
EN 60601-1-2
Frequencies and Maximum Intensities:
Freq. Hz.
AC (Air Condition) dB
HL
125
70
250
90
500
100
750
100
1000
100
1500
100
2000
100
3000
100
4000
100
6000
100
8000
90
Inputs:
Patient response switch, USB-Power-Supply
Outputs:
Left AC, Right AC
Attenuator:
-10 to 100 dB HL in 5 dB steps.
Tone Presentation:
Manual or reverse (chosen in Setup Menu);
Multiple pulses 250 or 500 msec (chosen in Setup Menu); On/Off; pure tone or warble tone
Talk Forward:
Built in talk forward microphone. 0-11dB SPL. Continuously adjustable on
operation panel
