The digital display gloss meter is an instrument used to measure the glossiness of the surface of an object. When choosing a digital display gloss meter, the following points and precautions need to be considered:
select points
1. Measuring range: Select the appropriate measuring range according to actual needs, the common measuring range is 0100 GU or 02000 GU.
2. Resolution: The higher the resolution, the more accurate the measurement result, usually you can choose the resolution of 0.1 or 0.01 GU.
3. Repeatability: The better the repeatability, the more accurate the measurement result. It is recommended to choose an instrument with repeatability less than or equal to 0.2 GU.
4. Stability: The better the stability, the more accurate the measurement result. It is recommended to choose an instrument with a stability less than or equal to 0.1 GU.
5. Light source: The stability and life of the light source will affect the measurement results. It is recommended to choose an LED light source with a long life and good stability.
6. Display screen: The size and display method of the display screen need to consider clarity and legibility.
7. Interface: choose the instrument with USB or RS232 interface, which is convenient for data transmission and processing.
Precautions
1. Use environment: Avoid using it in an environment with strong light or obvious vibration, which may affect the measurement accuracy.
2. Calibration: Calibration is required before use, and the calibration operation must be carried out in accordance with the requirements of the manual to ensure the measurement accuracy.
3. Sample surface: The sample surface needs to be kept clean and flat to avoid affecting the measurement results.
4. Measurement position: The measurement position should be consistent to avoid result errors due to different measurement positions.
5. Maintenance: Clean and maintain regularly to avoid affecting the measurement accuracy of the instrument due to dirt or dust.
