User guide
AUDI
O
SMART
ECH001XN141-A4 – 07/2022
51
Technical specifications
7.1 General technical characteristic of the device
7.1.1
Test parameters :
Measurement
Characteristic
Pure tone audiometry
- Sound intensity AC: from -10 to 110 dB HL
- Sound intensity BC: from -10 to 80 dB HL
- Available intensity step: 5 dB
- Acoustic Stimulation: 125Hz to 8kHz
(up to 16kHz with HF module)
-Narrow band masking noise: 1/3 octave
- Manual operation
- Automatic operation
Speech audiometry
- Sound intensity: from -10 to 110 dB HL
- Automatic list selection
Central
frequency
(Hz)
Narrow band masking noise
AC
BC
Lower cut-off
(Hz)
Upper cut-off
(Hz)
Maximum
power.
*
(dB EM)
min = -10 dB EM
Maximum
power.
*
(dB HL)
min = -10 dB HL
Maximum
power.
*
(dB HL)
min = -10 dB HL
125
111
140
80
80
250
223
281
95
100
50
500
445
561
95
110
60
750
668
842
95
110
70
1 000
891
1 120
95
110
80
1 500
1 340
1 680
95
110
80
2 000
1 780
2 240
95
110
70
3 000
2 670
3 370
95
110
70
4 000
3 560
4 490
95
110
70
6 000
5 350
6 730
85
100
50
8 000
7 130
8 980
80
90
50
*
Depending on the type of stimulator chosen, the device is capable of achieving slightly higher maximum values
than those indicated
Information about the transducers and the calibration method used can be found on the calibration certificate.
