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High Accuracy Color Matching Spectrophotometer
- Chongqing/Shanghai/Guangzhou/Shenzhen/Xiamen
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Product Details
| Brand Name | Drawell | Place of Origin | Chongqing, China | |
| Model Number | DW-WSF | Size | 431x318x195mm | |
| Weight | 8kg | Wavelength Range | 400nm~700nm, 400nm~700nm | |
| Focal Length | ±2nm |
Product Description
DW-WSF
Spectroscopical Color photometer
Characteristics:
l Wide application range and easy-to-operate feature.
l Measure reflection color and transmission color of objects and can test chromaticity, whiteness and color difference between two objects or two kinds of liquid.
l Only accept d/0 lighting specified by CIE.
l Display reflectance and transmittance of objects or liquid within the scope of visible light wave (400nm-700nm), and generate a spectral curve on reflectance and transmittance of objects or liquid, which greatly facilitates analysis on object color.
l Wide used in such industries as textile, dye, printing and dyeing, coating, paint, paper making, building materials, food, and printing.
Specifications:
l Lighting conditions: d/0
l Spectrum conditions: overall response is equivalent to tristimulus values X, Y, and Z calculated in corresponding functions under GB3978 standard illuminant D65, A, C and 10°, 2° view of field.
l RS232
l Measurement window: Ø20mm
l Wavelength range: 400nm~700nm; Accuracy: ±2nm
l Accuracy of spectrum transmittance (%):±1.5
l Repeatability: σ u (Y) ≤0.5, σ u (x),σ u (y) ≤0.003
l Instrument stability: ΔY≤0.6
l Accuracy: ΔY≤2, Δx,Δy≤0.02
l Palette system:
l Color: X, Y, Z; Y, x, y; L*, a*, b*; L, a, b; L*, u*, v*; L*, c*, h*
l Color difference: Δ E (L*a*b*); ΔE (Lab); ΔE (L*u*v*); ΔL*, ΔC*, ΔH*
l Whiteness: Gans whiteness
Blu-ray whiteness: W=B
Tabble: W=4B-3G
| Model | DW-WSF |
| Measurement window | 20mm |
| Wavelength range | 400nm~700nm |
| Accuracy | ±2nm |
| Accuracy of spectrum transmittance (%) | ±1.5 |
| Instrument stability | ≤0.6 |
| Resolution | 1mV,0.01pH |
| Control Titration Sensitive | ±5mV,±0.1pH |
| Titration Mode | Manual, automatic, constant pH(potential) titration |
Contact Us
- Chongqing Drawell Instrument Co., Ltd.
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