beautypg.com

2 probe zero & calibration, Performing a probe zero – Dakota Ultrasonics MVX User Manual

Page 7

background image

MVX High Performance Thickness Gauge

2) Use the UP and DOWN arrow keys to scroll through the sub menu items

until TYPE is highlighted.

3) Press the ENTER key to display the list of transducer types.

4) Press the UP and DOWN arrow keys to scroll through the transducer list

until the appropriate type is highlighted.

5) Press the ENTER key to display the confirmation screen.

6) Press the OK key to select the transducer and return to the menu screen, or

ESC to cancel the selecting the transducer.

2.2 Probe Zero & Calibration

The next step is to calibrate the MVX to the material and transducer being used. If a
sound velocity is not known, the MVX can be calibrated to a known thickness sample.
This demo will briefly explain both of these techniques.
In either case, the transducer MUST be zeroed on the probe zero disk (battery cover
located on the top of the unit as follows:

Performing a Probe Zero

1) Apply a drop of couplant on the transducer and place the transducer in

steady contact with the probe zero disk, and obtain a steady reading.