Lighting method

0/d

Spectral conditions

The overall response is equivalent to CIE Standard lighting D65 and 10 °Three stimulus values ​​under field color matching function X、Y、Z

Irradiation sample area

φ20

Display method

Digital display printout

Color system

（1）color: X、Y、Z、 y、x、y、L*、a*、b*、L、a、b、L*、U*、v*、L*、C*、h
    （2）Color aberration: △E(L*a*b*) 、 △E(lab)、△E(L*u*V*)、△L*、△C*、△H*
    （3）Whiteness: Gantz whiteness, CIE Recommended binary linear whiteness
               Blue light whiteness: W-B
               Taobei style (Tabble)：American Materials Association ASTM recommend, W＝4B-3G 
               R457 Reflection whiteness

Repeatability

δu（Y）≤0.2，δu（X）≤0.003 ，δu( y)≤0.003  

stability

ΔY≤0.6

Communication interface

RS232

Printer model

CK  NT-T40P（ Optional)

power supply

220V ±22V      50Hz± 1Hz

Instrument size

Host 410 mm×370mm×160mm， Test head Φ120mm*170mm

Net weight of the instrument

17kg