China-Portable-Colorimeter-in-Humanity-Design
**CNH300 Colorimeter Specifications**
The CNH300 colorimeter is a high-precision instrument designed for accurate color measurement in various industrial and research applications. It supports multiple color spaces, including CIE L*a*b* and CIE L*a*b*C*h, allowing users to analyze color differences with flexibility. The device uses the ΔE*ab, ΔL*a*b, and ΔE*C*h formulas to evaluate color variations, ensuring reliable results across different materials.
Equipped with an 8°/d illumination and viewing geometry, the CNH300 provides consistent measurements under standardized conditions. It utilizes LED blue light excitation as its light source, offering long-term stability and energy efficiency. The detector is a silicon photoelectric diode, ensuring accurate and fast response times.
The measuring aperture is set at Φ8mm, making it suitable for small sample sizes. The instrument adheres to the CIE 10° Standard Observer and CIE Standard Illuminant D65, ensuring compliance with international standards. The measurement range for lightness (L) spans from 0 to 100, covering a wide spectrum of colors.
In terms of performance, the CNH300 offers excellent repeatability, with a standard deviation within ΔE*ab of 0.07 when measuring a standard white plate over 30 readings. The minimum interval between measurements is approximately 1 second, allowing for efficient operation. The device is powered by a Li-ion battery, providing up to 3,000 measurements per charge. The lamp life exceeds 1.6 million cycles over a five-year period, ensuring long-term reliability.
The color display is a 2.8-inch TFT true-color screen with a 16:9 aspect ratio, offering clear and vibrant visuals. Connectivity options include USB and RS-232 interfaces, supporting data transfer and communication with external devices. The operating temperature range is from -10°C to 40°C, while storage conditions can be as low as -20°C and as high as 50°C. Humidity should remain below 85% RH without condensation.
The CNH300 weighs 500 grams and has dimensions of 205×70×100 mm. The packaging measures 435×205×345 mm, making it easy to transport and store. Standard accessories include an AC adapter, Li-ion battery, user manual, software CD, USB cable, white calibration cover, and a Φ8mm measuring aperture.
Optional accessories such as a mini-printer and printer cable are available for enhanced functionality. Additional tools like the Powder Test Box and Universal Test Components expand the device’s versatility. The Powder Test Box is ideal for measuring powders, with a dimension of Φ50×25mm. The Universal Test Components offer high sensitivity and are suitable for liquids, pastes, and powders, with dimensions of L×W×H = 190×190×85mm.
Overall, the CNH300 is a versatile and robust colorimeter, perfect for quality control, R&D, and production environments where precise color analysis is essential. Its combination of accuracy, durability, and ease of use makes it a valuable tool for professionals in various industries.
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