Firstly, you can turn into Calibration Mode via MENU (Menu->
Calibration->Enable) system. Then the LC will display 'Cal n(or 1~2)
Zero n (or y)". The "n" means not any point calibration and Zero
calibration, and '''y' means ‘there is Zero calibration", "Cal 1~2” means
''There is one or two point Calibration". After finishing all Calibration task,
we advise that you disable calibration via MENU system.
Preparing to make calibration:
-Switch the gauge on (far from any metal at least 1 Oem).
-Substrate sample and necessary foils (calibration standard).
-Set woke mode: continuous or single via MENU.
4-2-1.Zero-point Calibration (no need to enable calibration)
- Place the probe on uncoated sample (zero coating thickness) vertically
and rapidly.
-The LC display <x.x
µm >.
Operating is different in continuous mode
and single mode. See the work mode section for more details. Then,
raise the probe rapidly (far from metal substrate at least 10cm)
-Press and hold Zero button for about 1.5seconds, the LC display 0.0
um. The calibration is finished.
-Repeat this procedure several times. The calibration system always
saves the mean value of the previous calibration point.
NOTE
: You can delete the old zero point calibration before making a new
zero point calibration via MENU system if existent. The meter always
calculates the mean of 5 calibration readings furthest. When full, the
newest calibration value will replace the oldest calibration value. We
suggest that you make a Zero calibration when starting a measurement.
4-2-2. One-point calibration
This method is recommended for high precision measurements,
measurements on small parts and on hardened and low-alloy steel.
-Zero-point calibration according to section 4-2-1
-Lay the calibration foil on an uncoated sample, apply the probe and
raise it if steady. Press UP or DOWN to adjust required foil thickness.
The thickness of the foil should be roughly equivalent 10 the estimated
coating thickness.
-Repeat step 2 several times. It will get the mean value of previous
calibration readings.
