[Brief] WR-18 colorimeter, WR-18 precision colorimeter, WR-18 portable color measurement instrument has a fast, accurate data, long-term stability, etc., and small and medium body, delicate and beautiful, and has a large capacity Lithium batteries, low-power design, WR-18 colorimeter can move long-term measurements, very convenient; WR-18 ports can be replaced more multiple measurements, WR-18 colorimeter compatible 4mm, 8mm, 40mm, etc. from a smaller to a larger diameter measurements to meet most of the measurement requirements, WR-18 colorimeter is rare a portable colorimeter. [Details] WR-18 colorimeter, WR-18 precision colorimeter WR-18 portable color measurement instrument has a fast, accurate data, long-term stability, etc., and the compact body is moderate, delicate and beautiful, and has a large capacity lithium battery, low-power design, WR-18 colorimeter can move long-term measurements, very convenient; WR-18 ports can be replaced more multiple measurements, WR-18 colorimeter compatible 4mm, 8mm, 40mm, etc. from small to larger diameter measurements to meet most of the measurement requirements, WR-18 colorimeter is rare a portable colorimeter. WR-18 colorimeter Technical Specifications Model WF-18 display modes (color space) CIELAB CIELCH CIEXYZ Srgb difference formula △ E * ab △ E * LCH illumination CIE recommended way: 8 / d light D65 A F2 (CWF) sensor integrated optoelectronic diode array measuring caliber φ4mm / φ8mm / φ40mm (switchable) observer CIE 10 ° standard observer Range L: 0-100 repeatability △ E <0.06 units difference between △ E <0.2 0.5 seconds interval measurement data storage standard: 100 Group Sample: 20000 Group Language Selection English / Simplified Chinese Battery charging time 8 hours lithium battery is fully charged 5000 times more light to measure life 5 years or greater than 160 million times the measurement screen TFT color 2.8inch @ (16: 9), Resolution: 400x240 Interface USB2.0 (USB-B type), RS-232 (115200bps) Operating temperature 0 ℃ -40 ℃ (32 ℉ -104 ℉) Storage temperature -20 ℃ -50 ℃ (-4 ℉ -122 ℉ ) Humidity range less than 85% relative humidity, non-condensing Weight 350g Dimensions 172 * 80 * 60mm Packing size 300 * 280 * 255mm Standard accessories 3000mAH lithium battery, power adapter, USB data cable, "Color Analysis System" CD, manual warranty card optional accessories powder test kit, micro-printer product information from more than colorimeter official website: http: //www.wavegd.com