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tilo@3nh.com

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About Us

3nh specializes in high-precision color measurement instruments, including colorimeters, spectrophotometers, and haze meters, serving industries like textiles, plastics, and coatings. With innovative R&D and global reach, we deliver reliable solutions for color management and quality control, trusted by customers in over 80 countries.

Products

Products Frequently Ask Questions

Pick a haze meter that correlates with your materials, precision needs, and applicable testing protocols. For lab-level precision, a bench-top version is advisable; for a rapid field check, a portable haze meter is appropriate. International standards must be met at all times.


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

For accurate results, install a clean and well temperature-regulated booth that is also sheltered from reflective surfaces and direct sunlight. Ambient light in the booth and the surrounding area from where the light is being viewed should not mix.


Measuring zinc coating thickness is most commonly using magnetic induction. The gauge measures how far the magnetic probes are to the metal base under the zinc. This is the most reliable way to measure the thickness and the preservation of the galvanization.

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The best tool for measuring clear coat thickness is an ultrasonic coating thickness gauge. It is capable of measuring the thickness of each layer of paint on the vehicle, even the clear coat. This is common in automotive refinishing and inspection.


Follow the calibration steps form 3nh. Don’t touch the sample and drop the measurement light to eliminate external light.


The color measurement test applies a colorimeter or spectrophotometer to evaluate the way a sample reflects or absorbs light. It is given in objective color values (L*a*b*, RGB, or absorbance) and is usually contrasted to a standard in quality control or compliance.

Assembling the light booth entails connecting the panels, fixing the light fixtures, fitting the tubes, and calibrating the lights according to our 3nh manufacturer’s instructional and safety guidelines.


Who are we? Threenh Technology: 22-Year Professional Color Measurement Solution Provider

Threenh Technology is a Chinese professional Measurement Instrument manufacturer with 22 years of industry experience, specializing in the field of color measurement and surface gloss detection. Integrating research and development, design, production, marketing, and sales, the company takes technological innovation as its core and is committed to providing global customers with high-precision and intelligent testing instruments as well as professional solutions.