WR-10 portable color measurement instrument has a fast, accurate data, long-term stability, ease of operation, etc., and a large-capacity lithium battery, low-power design, mobile measurement time can be very convenient, its general-purpose measuring 8mm Most adapt caliber measurement needs, is a great choice production line testing, mobile measurement. WR-18 colorimeter technical parameters are as follows: Model WR-10 display modes (color space) CIELAB color difference formula △ E * ab measure the caliber φ8mm illumination CIE recommended way: 8 / d illuminant D65 digital sensor diode array observer observed by: CIE 10 ° standard observer Range L: 0 to 100 Repeatability △ E <0.08 units difference between △ E <0.2 measurement interval data storage standard 1 Sec: 100 Sample: 10000 Source life for five years or more than 1.6 million measurement screen TFT color 2.8inch @ (16: 9), Resolution: 400x240 Language Selection English / Simplified Chinese interface USB2.0 (USB-B) 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 battery charge 8 hours lithium battery is fully charged over 5000 times a measurable standard accessories 3000mAH lithium battery, power adapter, warranty card, manual Optional accessories powder test kit, mini-printer