User's Manual Part 3

ProScale M150, M250 and all products with General Purpose LCD Digital Displays 17 of 17
Calibration
Once installed, ProScale can be calibrated easily and quickly. Following is an example
for calibrating ProScale on an industrial wide belt sander. Other installations follow the
same general procedure.
1. Check to be sure installation of all parts is complete, all fasteners are secure, and the
readhead is plugged into the digital display.
2. Set-up the machine to operate as normal. Run a part through the sander.
3. Measure the thickness of the sanded part with the most precise measuring tool
available (digital calipers if possible).
4. Press the zero key on the ProScale digital display then press and hold the PLUS key
to scroll until the thickness measurement is displayed (The longer the PLUS key is
held down, the faster the display will scroll).
5. When the proper reading is reached, lock the display if desired. This prevents
accidentally re-zeroing of the display. See Section 4:
Lock Mode
.
If the direction of movement (+ and -) on the digital display is opposite the desired
direction, the display programming should be changed.
See Section 4:
Programming (Programming Parameter Pr0).
Maintenance
Although the ProScale will operate in a dry environment of non-conductive debris such as
sawdust, the system should be cleaned of excess debris when necessary. This will
prevent premature damage to the scale or readhead. Should the scale become difficult
to move, check to see if debris has built up under the readhead and remove if necessary.
Find and remove any burrs which may have developed on the aluminum scale. Do not
use any liquid lubricants on the scale assembly, as this may impede the readhead's
ability to operate properly and will attract other contaminants to the scale.
The Digital Display should be cleaned periodically with compressed air to remove any
dust on the lens and keys.
All mounting fasteners should be checked occasionally for tightness
.