5
4.Operation
4.1Calibration
Set the sound velocity to be 0.232”(5900m/s) .Put a pea sized drop of couplant gel on calibration block built-in on
the gauge. Press the probe on the face of the block to obtain measurement .LCD screen will display a value. Lift
the probe off the block. Then press the up and down arrows to adjust the value on the display to match
0.157”(4.00mm). You may need to press the Back Arrow button to move the cursor from column to column. Once
the value of 0.157” has been obtained, press the CAL button to save the calibration. Now place the probe back on
the block to verify the reading. If value doesn’t not show 0.157” or 4.00mm, repeat above steps to get correct
reading.
Verification should be carried out every time the unit is turned on. This should be done on either the built-in test
block or a swatch of your own material with a known thickness value.
4.2 Measuring
Put a small drop of couplant gel on the work-piece, then place the probe on the surface of your sample. The
thickness value will display on LCD screen in either mm or inch. The gauge shows the measuring result whenever
the probe is coupled with the work-piece for longer than 2 seconds with couplant gel.
4.3 Saving Test Results
Test results can be saved into 5 individual files. Each file holds up to 100 values.
To save test results, highlight SaveN by pressing MENU press to change N to required number. Press
MENU when the file number N is set. The gauge is now ready to save measuring data to the file numbered above.
During measurement, press MEM to save the reading to SaveN file. A flash mark of “Memory” will seen on
LCD if the value is successfully saved.
4.4 Reading Saved Results
To read saved results from the tester ,highlight SaveN by pressing MENU, press to change N to required
number ,Press MEM to open the file ,”NO” points to current result ,”Total” is the number of the readings in
“SaveN” file .Press will delete the current result from the file .Use and keys to display the other results in
this file.
4.5 System Setting-Change Resolution and/or Units
Press MENU until MENU is highlighted ,press to enter system setting. Use operating key and/or to
select the function and press to adjust the setting accordingly.
To change display resolution for the tester, enter “System Setup” and choose ‘HIGH” or 0.0001” or “MID”
0.001” (0.01mm) or LOW 0.01” for the display resolution. This setting can be seen on LCD with “HIGH” or
“MID” or “LOW”.
Switch between “Metric” and “Imperial” units can be done through Menu→System Setup→Units→Press
Press MENU key or perform measurement to return to the main operation, after system setting.
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