Probe Zero - DAKOTA ULTRASONICS MMX-6 Operation Manual

Dakota Ultrasonics
Setting the Zero Point of the MMX-6 is important for the same reason
that setting the zero on a mechanical micrometer is important. If the gauge
is not "zeroed" correctly, all of the measurements the gauge makes will be
in error by some fixed number. When the MMX-6 is "zeroed", this fixed
error value is measured and automatically corrected for in all subsequent
measurements. The MMX-6 may be "zeroed" by performing the following
procedure:
1) Make sure the MMX-6 is on.
2) Plug the transducer into the MMX-6. Make sure that the
connectors are fully engaged. Check that the wearface of the
transducer is clean and free of any debris.
3) The metal probe-disc is on the top end of the MMX-6. Apply a
single droplet of ultrasonic couplant to the face of this disc.
4) Make sure that the MMX-6 is in P-E ( pulse-echo mode ) by
pressing the Dual-Multi key to toggle the modes.
Note: The Probe-Zero feature is not used in Echo-Echo Thru-Paint
mode, and has been disabled. If the PRB-0 key is pressed, while
in this mode, "nO" followed by "Prb0" will be displayed.
5) Press the transducer against the probe-disc, making sure that the
transducer sits flat against the surface. The display should show
some thickness value, and the Stability Indicator should have
nearly all its bars illuminated.
12
1.800.544.2843

Probe Zero

Performing a Probe-Zero
www.calcert.com
15
10 20
5 25
0 30
sales@calcert.com