Page 26 OM001-16 Otowave 102 Operating Manual
Insert the probe, without an ear tip, into the hole at the 2ml end of the test
cavity. Make sure that the probe is pushed fully home and is held tight
against the stop. The probe must be square to the end of the test cavity.
The display should show the volume of the test cavity to within ± 0.1ml.
Remove the probe and repeat the test with the three remaining test
cavities. The display should show the volume of the 0.2ml and 0.5ml test
cavities to within ± 0.1ml. The 5.0ml test cavity should be within ± 0.25ml.
When the checks have been completed press ◄ to return to main menu.
11. Routine Maintenance
11.1. Cleaning the Otowave
The Otowave is a precision instrument. Handle it carefully in order to
ensure its continued accuracy and service. Before cleaning the instrument
remove the batteries. Use a soft damp cloth and mild detergent to clean
the instrument panel and case. Ensure no moisture enters the instrument.
11.2. Ear tip and Probe
Ear tips should be replaced after a single use.
The probe tip and its associated seal are disposable devices.
The probe tip should be checked before each ear insertion to ensure it is
undamaged and that none of the tubes through it are blocked. It should be
replaced if necessary.
The seal should be replaced when the probe tip is replaced, if it shows
signs of wear, or if a pressure leak is suspected.
Refer to Section 4.4 for illustrations of these components.
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