Model |
WSB-0 (No screen version) |
WSB-1 (Professional version with screen) |
WSB-2 (Screen enhanced) |
Measurement structure | 45 / 0 (in accordance with GB / T 3978) | ||
Measurement index | Blue brightness:R457/ISO2470 |
9 whiteness indexes:(ASTM,CIE,Ganz,Hunter,Tauble,
Berger,AATCC,R457/IOS2470,GB/T17644)
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Lighting source | LED(Full band balanced LED light source) | ||
Measuring caliber | Diameter 4mm | ||
Resolving power | 0.1 | 0.01 | |
Measuring range | 0-200 | ||
Zero drift | <0. 2/10min | <0.1/10min | |
Indication drift | <0. 3/3min | <0.1/3min | |
Measurement repeatability※ | <0.1 | ||
Measurement time | 1.5s | ||
Interface | USB,Bluetooth | ||
Screen | No screen | IPS full color screen(135*240,1.14inch) | |
Power Supply | 460mah, a single full charge can be measured 7000 times continuously | ||
Language | Simplified Chinese, English | ||
Calibration | Automatic calibration | ||
Software support | Andriod,IOS,Wechat applet,Windows | ||
Weight | About 75g | ||
Volume | Diameter:33mm,Height:84mm | ||
Can it be over measured | But the bag is returned | ||
Storage | App mass storage |
※ After the whiteboard is calibrated, measure the standard deviation of the whiteboard 30 times at an interval of 5 seconds