© PCE Instruments
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6.
Press
to save the calibration. The unit is now highlighted in black in the upper part of
the display.
7.
To restore the factory settings of the probe, place it on the uncoated material surface
and press and hold
for 5 seconds. When the reset has been successful, the unit will
no longer be highlighted in black.
5.2
Measurement
1.
Connect the probe. (chapter 4.2)
2.
Before making a measurement, make a zero-point calibration and a single-point
calibration. (chapter 5.1)
3.
Select measuring or mean value mode as required. (chapter 4.3.2)
4.
Place the probe vertically on the coating to be measured. Wait for the meter to emit a
beep sound and then remove the probe. The last reading is now displayed and the
probe name will be highlighted in black.
5.
Before making another measurement, lift the probe up in the air until the probe name is
no longer highlighted in black, which means that the meter is ready.
6
How to use the DSH probe
The DSH probe works in line with the principle of a contact profilometer and is used to measure
the surface roughness Rz as well as the depth of grooves. The reading is the difference between
the probe’s base surface and the measuring tip.
6.1
Zero-point calibration
A zero-point calibration must be made on a polished material surface that has a roughness of
≤0.32 µm, for example a glass surface. Follow these steps:
1.
Connect the DSH probe and turn on the meter. (chapter 4.2)
2.
Place the sensor vertically on the polished material surface with a roughness of
≤0.32,
applying some pressure and lift it when you hear the beep sound. The measured value
will then be displayed.
3.
Press the
key. The displayed value will be set to 0.0.
4.
Repeat step 2 to make a control measurement and to check the zero-point calibration. If
the deviation is too high, repeat the zero-point calibration.
Summary of Contents for PCE-CT 90
Page 27: ...PCE Instruments...
