DOI (Distinctness of Image) refers to the clarity of surface gloss and is an important indicator to measure the appearance quality of products. DOI measuring instrument is an instrument used to measure surface reflectance and gloss, and is widely used in industries such as automobiles, home appliances, plastics, and coatings.
select points
1. Measurement range: Different products have different measurement requirements, and you should choose a measurement range that suits your needs.
2. Accuracy and repeatability: Choose a measuring instrument with high precision and good repeatability to ensure the reliability of the test results.
3. Light source and Detector: A measuring instrument with high light source brightness, stable color temperature, and fast response speed of the Detector should be selected to ensure measurement accuracy and stability.
4. Ease of operation: Choose measuring instruments that are easy to operate and maintain to improve work efficiency.
5. Brand and after-sales service: choose products with familiar brands and good after-sales service, so as to ensure the quality and use effect of the products.
Precautions
1. The instrument should be calibrated before use to ensure the accuracy of the measurement.
2. When measuring, care should be taken to avoid the influence of external interference factors such as light, wind, vibration, etc., so as to ensure the accuracy of measurement.
3. For different products, the corresponding test mode and parameters should be selected to obtain better test results.
4. After use, the instrument should be cleaned and maintained in time to prolong the service life of the instrument.
