WF28 8mm Digital Colorimeter Color Meter CIELAB, CIELCH Display Mode

Specifications: Model:WF28 Display Mode: CIELAB、CIELCH Color Difference Formula:△E*ab Illumination Condition: CIE Recommendation：8/d Light Source: LED blue excitation Sensor: Photodiode array Measurement Caliber:φ8mm Observer: CIE 10° Standard observer Measurement Condition: 1,Light source:D65; 2,Contain light way: SCI SCE Measurement Range: L: 0 to 100 Repeated Accuracy:△E<0.07(take the deviation average after 30 times measuring the whiteboard) Table Difference:△E<0.2 Measurement Interval:0.5 Sec. Storage Capacity: Type sample data : 100 with testing sample data: 200 Battery Charging Time:8 hrs Battery: Li-ion battery, 5000 times Measurement Lifetime of Bulb:5 years more than 1.6 million measurements Display Screen: TFT true color 2.8inch@(16:9) Resolution ratio:400x240 Interface of External:RS-232 (115200bps)- connected with micro printer Standard Accessories: 3000mAH Li-ion battery/AC adapter/User manual/Warranty card Optional Accessories: Flour measuring device/Liquid measuring device/Micro printer

• WF28 colorimeter can store 100 standard data and 20000 sample data, you can also add mini-printers to do real-time printing measurement data. It can’t operate with "color analysis system" software functions.
• Working Temperature Range: 0℃-40℃(32℉-104℉); Storage Temperature Range:-20℃-50℃(-4℉-122℉). Humidity Range: Relative humidity less than 85%,without condensation.
• One measuring light source (D65) only; two kinds of color modes (CIE1976LAB, CIELCH); one color difference formula (△ E * ab); and a universal measuring caliber (8MM).