VeriVide light box standard, application field, operation process, solution

VeriVide light box application field: 　　 VeriVide CAC60 color review box/standard light source color light box is widely used in color evaluation, color quality control and color contrast. The stable light source of the light box can provide a good observation environment for color evaluation and help improve product quality.　　VeriVide light box conforms to the standard: 　　ASTM D1729 SAE J361 Tappi 7515 BS 950 Part A AS 1580.6001.1　　VeriVide light box usage and precautions:　　1. Make sure all the lamps are installed correctly and choose a suitable power supply. If the voltage is not suitable, replace with a suitable fuse and turn on the power supply. (Note: Please ensure that the power is off before checking or replacing the fuse) 　　 2. Choose a suitable light source, and choose a suitable light source according to the required test standards. (For specific light source types and application fields, see the table below) 　　 3. Place the sample and the standard color card in the light box for comparison and rating.　　4. Note: The use environment of the light box should avoid strong light, external light sources and other conditions that may cause visual discomfort. If there are windows near the light box, please configure curtains or cover them appropriately. The wall behind the light box is best painted light gray with latex paint. The ideal use environment temperature of the light box is 16-22℃. The light source D65 artificial daylight light source has a color temperature of 6500K, which meets the BS950-1 standard. It is suitable for occasions that require color consistency and color quality, and meets CIE's precise color evaluation requirements. Power 600mm-18w. TL84/P15 European Marksu0026Spencer special store light source, narrow-band fluorescent lamp has a relative color temperature of 4000K, and a power of 600mm-18w. A. Incandescent lamps, household light sources often require the use of this light source for metamerism testing, with a relative color temperature of 2856K and a power of 35w. H halogen tungsten lamp, a household light source that meets the ASTM D1729-74 standard, is often used for visual evaluation of the color difference of non-reflective materials, with a relative color temperature of 2300K and a power of 75w. UV ultraviolet black lamp is used to detect optical brighteners and fluorescent dyes, especially suitable for detecting the proportion of white or fluorescent colors and the uniformity in the material. Power 600mm-18w. Common Problems and Solutions of VeriVide Light Boxes Common Problems Causes and Solutions When power is on, the light box does not respond, and the display light does not turn on. Check the fuse or transformer of the light box. One of the light sources does not light up, and the other normal buttons light up. If the relay is normal, check the ballast. If the button light is off and the relay has no response, check that the button or relay circuit board in the same group of lamps does not light up, and the rest are normally replaced with new lamps. If it still does not light up, check the ballast and turn on the power. The lamp is always on and the relay sounds If it is too small, the rest of the operation fails, the relay is damaged, and the display screen is out of order. Other operations are normal. Check the relay circuit board. The display is on but there are no words. The lamp is off. Check whether the relay circuit board, IC, and crystal ring are normal. Buttons are out of order and cannot be shut down. Check the keypad. Whether it is short-circuited, whether the relay switch board line is short-circuited, the lamp is on but the brightness cannot be adjusted (the light box has the function of adjusting the light source). Check whether the adjustable resistance (potentiometer) or ballast is normal. After-sales service and maintenance of the stability and connection of the circuit board 1. The lamp tube should be replaced regularly (at least one year or less) 　　 2. The inner wall of the light box should be repainted regularly.　　3. Use a soft, clean, slightly moist fabric when wiping the light box board.

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