Technical Specifications - Inventis TIMPANI Bedienungsanleitung

Tympanometry (226Hz and optional 1000Hz), Acoustic Reflexes (optional), Manual tonal
audiometry (optional), Automatic tonal audiometry.
12 months
Probe tone
Frequency and intensity
Measurement range and
accuracy
Representation
Influence of ambient
temperature
Influence of atmospheric
pressure
Scan range
Scan rate
Pressure control
Pressure safety limits
TYMPANOMETRY 1000HZ –
Frequency and intensity
Measurement range and
accuracy
Representation
ACOUSTIC REFLEXES –
Type of stimulation
Stimulus frequencies and
accuracy
Harmonic distortion
Intensity and accuracy
Duration of stimulus
Type of test
Recognition threshold

Technical specifications

AVAILABLE TESTS
CALIBRATION
TYMPANOMETRY 226HZ
With AGC
226 Hz ± 1%; 85 ± 1.5 dB SPL
0.2 to 8.0 ml
± 0.1 ml or ± 5% (whichever is greater)
Meatus-compensated
-0.003 ml/°C
-0.0002 ml/daPa
Standard +200 to -400 daPa
Low +100 to -200 daPa
± 10 daPa or ± 10 % (whichever is greater)
400 daPa/s
automatic
Upper limit 550 daPa
Lower limit -750 daPa
Tympanometry 1000Hz license required
1000 Hz ± 1%; 75 ± 1.5 dB SPL
0.9 to 16 mmho
± 0.5 mmho or ± 5% (whichever is greater)
Meatus-compensated
Reflex and Reflex 1000Hz license required
Ipsilateral, pulsed (50ms ON, 70ms OFF)
1kHz ± 1% (with 1000Hz-only reflex license)
500Hz, 1kHz, 2kHz, 4kHz ± 1% (with full reflex license)
THD 2.5% maximum
70 to 100dB HL ± 3 dB HL
1s
- Fixed intensity, adjustable intensity, 5dB steps
- Threshold search, attenuator steps 5dB or 10dB, initial value
and final value adjustable through 5dB steps
Adjustable 0.04 or 0.06 ml ± 0.01ml
There is a negligible risk of artifacts in measurements at high
stimulus levels, and they do not influence the reflex identification
system
Appendix A
41
EN