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Types of 3NH ISO Test Charts Products

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FAQs About ISO Test Charts

Our professional team will give you the best suggestion as long as you tell us what kind of test you need to do and the required specification.


Yes, we offer free samples for test, you are welcome to order samples to experience our excellent quality and service.

a. When the colorimeter is disconnected to the PC, "Connection Timeout" will occur. At the moment, you have to check whether the USB cable is well connected the colorimeter and the PC. Then you can re-plug the USB to try out.

b. After ensuring the colorimeter is connected to the PC with USB cable, turn on the colorimeter and enter the main menu. Select "Comm" and press "Enter" key to start communication.

c. Turn off CQCS3 software, and reopen it.

After receiving NH310/NH300, you have to perform white and black calibration manually when first starting.

A colorimeter is a scientific instrument used to measure and analyze the color characteristics of objects or materials. It quantifies color by evaluating specific parameters related to human visual perception and standardized color spaces.

ISO Test Charts Solution