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APPENDEX A
Sensitivity Calibration
Ultrasonic Tone Generator Method
Ultraprobe 10000
It is advisable to check the sensitivity of your instrument before proceeding with your inspection. To
assure reliability keep a record of all your sensitivity validation tests and be sure to keep your Warble
Tone Generator charged.
Procedure:
1. Create a chart or use the one below:
A. For the Scanning Module, insert it into the front end of the instrument.
2. Select 30 kHz as the test frequency and note “30” in the Frequency box for the Scanning Module
in the Sensitivity Validation Chart
3. Plug in the Headphones and adjust the ear pieces so that they are opened up and place them on
the test table
4. In your kit select the longest of the Stethoscope extension probe rods.
5. Place an “L” in the Rod used box of your Sensitivity Validation Chart
6. Place the Tone generator on the side with the front facing you.
7. Place the rod in the middle of the transducer are (as above)
8. Select a volume level on the Warble Tone Generator (Low or High).
9. Note the level (L or H) in the TG box of the Sensitivity Validation chart.
10. Turn the Ultraprobe 10000 on its’ side so that it will rest flat on the test table with the
handle facing you and the Scanning Module facing the Tone Generator.
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