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GSi TYMPSTAR Series User Manual

GSi TYMPSTAR Series
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Specifications
Stimulus Signal ON/OFF Ratio: >70 dB
Presentation Control OFF mode signal level: <20 dB SPL
Signal To Noise Ratio: >70 dBA
Measured with disabled probe signal and A” weighting for noise
measurement
.
Residual noise: <25 dBA SPL
(Stimulus Present switch in OFF position)
Unwanted Acoustic Probe Signals:
<60 dBA
Measured while pump is operating and probe tone is disabled
.
Measure it
with “A” weighted filter in “SLOW” Time mode.
The noise in normal
operating mode will not effect the immittance measurement accuracy.
Signal separation between Ipsi and Contra channels; all frequencies: >70 dB
(Measured at the probes with the “ON” channel set to 90 dB)
Leaked signal: <20 dB SPL
The radiated acoustic noise from the instrument (with reflex stim off) when
measured at 1 meter from the instrument, shall be:
<50 dBA
(“A” weighting and “SLOW” averaging)
Temporal Specifica- Steady State Stimulus
tions of Stimulus Initial Delay (elapsed time from present bar activation to 10% stimulus
Presentation amplitude): < 100 msec
Terminal Delay (elapsed time from present bar deactivation to 90% stimulus
amplitude): <100 msec
Rise time:
7.5 ± 2.5 msec
Fall time:
7.5 ± 2.5 msec
Multiplexed Stimulus (Used in Reflex Threshold test mode)
Period data for frequencies: 250 and 500 Hz:
Period 124
msec
Stimulus on time 44 msec
Stimulus off time 62 msec
Rise and fall time 18 msec
Period data for all other frequencies:
Period
115 msec
Stimulus on time 44 msec
Stimulus off time 53 msec
Rise and fall time 18 msec
Temporal Spec.
Accuracy:
±10% or 5 msec, whichever is greater
GSI TympStar Version 1 and Version 2 Service Manual 2 - 5

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GSi TYMPSTAR Series Specifications

General IconGeneral
BrandGSi
ModelTYMPSTAR Series
CategoryMeasuring Instruments
LanguageEnglish

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