DRK200 portable computer colorimeter is a precision instrument developed and produced according to national standards. The colorimeter adopts new imported key components and is carefully designed to be accurate and stable, simple to operate, easy to learn, easy to understand, and economical. Product Description: DRK200 portable computer colorimeter is a precision instrument developed and produced according to national standards. The colorimeter adopts new imported key components and is carefully designed to be accurate and stable, simple to operate, easy to learn, easy to understand, and economical. Applications: DRK200 portable computer colorimeter is suitable for plastic, clothing cloth, cosmetics, powder, medicine, paint ink, food, beverage and other color testing. Features: 1. 　Leading humanized design and ease of operation · Automatic black-and-white board calibration function at boot; · Structural design in line with human mechanics; · Fool-like operation interface. 2. 　Stable measurement performance · The fluctuation of △E is less than 0.08 on average, in fact it is more between 0.03 and 0.06; · The portable structure design is more conducive to maintaining the stability of the body during application. 3. 　Convenient and fast positioning · Illumination positioning function is a fast and simple positioning function, which is an original function of 3nh. 4. 　PC-side software realizes more function expansion · The PC software has intellectual property rights, and the product is equipped with a one-to-one correspondence of genuine software serial numbers and password protection; · It can perform color difference analysis, color difference accumulation analysis, chromaticity index, color sample library management, simulated object color, etc. 5. Advanced power management design · The first high-capacity lithium-ion battery used in the colorimeter; · It can be used repeatedly and automatically to save costs, and it can measure more than 3000 times in one charge, ensuring the stability of long-term measurement. 6. Precise technical specifications Illumination receiving system 8/d Measuring caliber Φ8mm Color space CIE L*a*b*C*H* CIE L*a*b* CIE XYZ Color difference value △E*ab △(L*a*b*) △(L*C*h*) Standard observer 10° viewing angle Observation light source D65 Illumination light source LED blue light excitation Sensor Photodiode array Storage capacity 100 standard 5000 samples Measurement interval: about 1.5 seconds Repeatability 0.08ΔE*ab The average value of 30 measurements of the white standard plate Power supply Rechargeable lithium ion battery 3.7V@3200mAh power adapter (DC 5V) Display TFT true color 2.8inch@（16:9） Lamp life 3 years greater than 1 million measurements Charging time: about 8 hours-100% power The number of measurable times after charging can be measured 3000 times in 8 hours Operating temperature range 0~40℃, 0~85% relative humidity (non-condensing) Storage temperature range -10~50℃, 0~85% relative humidity (non-condensing) Difference between stations ΔE*ab within 0.40 Weight 500g Size 205×70×100 mm Interface USB RS-232: Baud rate 19200bps Standard accessories Power adapter Lithium battery Manual CD-ROM Data cable Whiteboard cover Measuring caliber (8mm) Optional accessories, micro printer, powder test box, universal test kit