TQC Sheen GLOSSMETER GL0010, Руководство по эксплуатации, Страница: 23 / 32

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surfaces (GU > 70 when measuring at a 70º angle). The 85º scan angle achieves the best results on matte
surfaces (GU < 10 when measuring at a 60º angle).
8.3 Calibrate
Calibration determines the glossmeter’s metrological characteristics. Calibration is performed by comparing
the gloss values of black glass at the bottom of the calibration holder.
You should check the condition of the calibration holder and the optical lenses before calibrating the device.
The calibration holder and the optical lenses must be clean and in pristine condition. Grease and dust can be
removed with clean, dry air or the supplied cleaning cloth. The device cannot measure surfaces accurately
if the lenses are permanently damaged. The TQC Sheen Glossmeter cannot be calibrated if the calibration
holder is damaged.
Note: To prevent measurement deviations caused by a calibration error, the TQC Sheen Glossmeter must
always be calibrated with the same holder.
Figure 4-4 Calibrate menu
The Calibrate menu contains the following options:
•
Calibrate
• Values
Calibrate the Glossmeter
1. Select Scan Setup in the Main Menu and press OK.
2. Select Calibrate and press OK. The Calibrate menu is displayed.
3. Select Calibrate and press OK. You are prompted to place the TQC Sheen Glossmeter in the calibration
holder.
4. Use the Down arrow to select Start and press OK. The message “Calibration successful” displays.
If calibration is unsuccessful, the message “Calibration fail, please clean tile” displays. Clean the tile and try
again.
View and change calibration values
You can view the calibration values and change them if necessary, for instance in case a different calibration
holder is used: