High Precision Portable Digital Colorimeter Color Difference Tester 8mm D65 Two color modes WF28

Features
shipping:EMS 1. Portale 2. Stable 3. Precison 4. Using High Capacity Li-ion Battery 5. Large Data Storage, 6.More Function Expansion Micro printer. 7. Innovative Technologies
Core technological configuration with a number of innovative technologies.
Self calibrate,Direct positioning,Multifunctional testing accessories,Fastest to 0.5s,etc Model WF28
Display Mode CIELAB、CIELCH
Color Difference Formula â–³E*ab
Illumination Condition CIE Recommendation：8/d
Light Source LED blue excitation
Sensor Photodiode array
Measurement Caliber φ8mm
Measurement Condition " Observer：CIE 10° Standard observer Light source: D65 Contain light way：SCI SCE"
Measurement Range L: 0 to 100
Repeated Accuracy â–³E<0.07(take the deviation average after 30 times measuring the whiteboard)
Table Difference â–³E<0.2
Measurement Interval 0.5 Sec.
Storage Capacity " Type sample data : 100 with testing sample data: 200 "
Language Patterns Simplified Chinese/English
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
Working Temperature Range 0℃-40℃（32℉-104℉）
Storage Temperature Range -20℃-50℃（-4℉-122℉）
Humidity Range Relative humidity less than 85%,without condensation Weight 700g
Size 199*68*90mm
Size of Exterior Package 400*240*340mm
Standard Accessories 3000mAH Li-ion battery/AC adapter/User manual/Warranty card