| Model | CRX-50 | CRX-51 | CRX-52 |
| Lighting observation conditions | 45 ° observation (0 / 45 °) |
D / 8 (diffuse illumination / 0 ° observation) - SCI (including specular reflection light) |
45 ° illumination, 15 °, 45 °, 110 ° observation |
| Lighting source | Cleds (full band balanced LED light source) | ||
| Sensor | Dual optical path array sensor | Dual optical path array sensor | Silicon photodiode |
|
Non contact
Measuring distance |
7.5 ± 3mm (distance fluctuation)
Repeatability in case (de < 0.1) |
0.5mm | Contact measurement |
| Calibration mode | Built in calibration | ||
| Degree of protection | / | IP67 | / |
| Wavelength range | 400-700nm | ||
| Wavelength interval | 10nm | ||
| Half bandwidth | 5nm | ||
| Measuring range | 0-200% | ||
| Resolving power | 0.0001 | ||
| Measuring caliber | φ7mm | φ10mm(φ4mm Optional） | φ7mm |
| Measurement time | 小于20ms | 小于20ms | 6s |
|
Measuring light source |
A,C,D50,D55,D65,D75,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,CWF,U30.DLF,NBF,TL83,TL84.U35 | ||
| Measurement parameters |
CIE-L*a*b,L*C*h,L*u*v,XYZ,Yxy,reflectivity，WI(ASTM E313-00,ASTM
E313-73,CIE/ISO,AATCC,Hunter,Taube Berger Stensby),
YI(ASTM D1925,ASTM E313-00,ASTM E313-73), Tint(ASTM E313,CIE,Ganz),Homochromatism index milm, color fastness to adhesion, color fastness |
CIE-L*a*b,L*C*h,Surface particle grade | |
| Colour-difference formula | ΔE*ab,ΔE*CH,ΔE*uv,ΔE*cmc(2:1),ΔE*cmc(1:1),ΔE*94,ΔE*00 | ΔE*ab,ΔEc,ΔEp | |
| Repeatability※ | Chromaticity value：ΔE*ab Standard deviation≤0.03，Maximum≤0.05 | ||
| Inter station difference※※ | Δ E * AB within 0.2 | Δ E * AB within 0.5 | |
| Light source life | Lifetime warranty | ||
| Operating environment | 0-45 ℃, relative humidity 80% or lower (at 35 ° C), no water vapor condensation | ||
| Storage environment | -25 ° C to 55 ° C, relative humidity 80% or less (at 35 ° C), no moisture condensation | ||
| Power Supply | DC12V | DC12V | DC6V |
| Interface | Industrial USB, other interfaces can be customized | ||
※ After correction, the whiteboard shall be measured continuously for 30 times with an interval of 1s
※※ Average value of 12 color plates of BCRA series Ⅱ
