|
|
| Tympanometry
Mode |
| Probe
Frequency |
226
Hz +/- 2% typical |
| Probe
Intensity |
85
dB SPL into a 2cc cavity |
| Pressure
Range |
+
200 to -400 daPa |
| Volume
Range |
0
to 5.0 ml |
| Accuracy |
+/-10
or 10 daPa
whichever is greater |
| Rate
Of Sweep |
Variable,
550 daPa/sec. max.
200 daPa/sec. near peak |
| Test
Time |
Less
then 2 seconds typical |
| Compliance
Ranges |
0-1.5
ml or 0-3 ml
(automatic selection) |
| Reflex
Mode |
| IPSI
Frequencies |
500,
1000, 2000, 4000 Hz +/- 2% |
| IPSI
Intensities |
70
- 105 dB HL
(105 dB HL max. at 4000 Hz), on/off ratio greater then 70 dB, rise /fall
time 10 msec. typical |
| CONTRA
Intensities |
70
- 105 dB HL
(105 dB HL max. at 4000 Hz) |
| Pressure |
Automatically
set to
peak value on tympanogram |
| Reflex
Decay Mode |
| Reflex
Frequencies |
500,
1000, 2000, 4000, Hz +/- 2% |
| Contra
Intensities |
70
- 105 dB HL
(105 dB HL max. at 4000 Hz) |
| Pressure |
Automatically
set to
peak value on tympanogram |
| Test
Time |
13
seconds, 10 seconds
auto tone present |
| Eustachian
Tube Function Mode |
| Pressure
Range |
+400
to -400 daPa,
whichever is greater |
| Accuracy |
+/-10%
or +/-10 daPa
whichever is greater |
| Display |
| LCD
type graphical display shows graph of tympanogram, peak compliance, peak
pressure, canal volume, gradient, reflex, graph, and conclusion |
| Dimensions |
15"
W X 4" H X 13" D
38.1 cm W x 10.2 cm H x 33cm D |
| Weight |
10
lb / 4.5 kg |
| Voltage |
117
/ 234 volts AC, switchable |
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