WF28 8mm Colorimeter Color Difference Meters Tester Detector CIELAB CIELCH Display Mode

Features: 1.Portable:Structure Design in line with Ergonomics,and easy-to-use Operation.English operating system 2. Stable: The excellent stability △E*ab ≤ 0.07 3. Precision: Precison measurement performance with core technological competence. 4. Using High Capacity Li-ion Battery: Li-ion battery will save cost and charge to ensure the stability of long time measureme 5. Large Data Storage,Saving more than10000 data. 6.More Function Expansion: Micro printer.(Optional Accessories: ) 7. Innovative Technologies: Core technological configuration with a number of innovative technologies.Self calibrate,Direct positioning,Multifunctional testing accessories,Fastest to 0.5s,etc Technical Specifications ❤❤Display mode: CIELAB,CIELCH ❤❤Color difference formula: ΔE *ab ❤❤Illumination Condition: CIE Recommendation:8/d ❤❤Light Source: The LED blue light stimulate ❤❤Sensor: Photodiode array ❤❤Measuring Aperture: Φ8mm ❤❤Measuring Condition: Observer:CIE 10° Standard observer,Light source: D65 Contain light way:SCI SCE ❤❤Measuring Range: L:0-100 ❤❤Repeated Accuracy: ΔE<0.07(take the deviation average after 30 times measuring the whiteboard) ❤❤Table Difference: ΔE <0.2 ❤❤Measurement Time: 0.5 second ❤❤Storage Capacity: 100 standard samples and 20000 test sample ❤❤Battery Power supply: Li-ion battery, 5000 times Measurement ❤❤Lifetime of Bulb: 5years more than 160 million measuring ❤❤Display screen: TFT true color 2.8inch@(16:9) Resolution ratio:400x240 ❤❤Interface of External: RS-232 (115200bps)- connected with micro printer ❤❤Standard Accessory: 3000mAH Li-ion battery/AC adapter/User manual/Warranty card ❤❤Optional Accessory: Flour measuring device/Liquid measuring device/Micro printer