German Ral color card number Ral k7 classic color chart Ral k7
colour chart ral k7 ral colour chart international metal card
Made in Germany
RAL color card has been choose to the color standard for 70 years.
At the beginning only have 40 different colors , so far has
developed for 200 kinds The dull color shading standard is
RAL840-HR, shiny color shading basic standard RAL841-GL. This two
kinds of color samples contain a long term wide arange of
industrial color sample for important research Institute. Applied
in the design of color sample, also including conform to the safety
of the DIA standard color and color signal.
Ral K7 colour chart features:
Large area of colour for all 210 RAL CLASSIC colours.
U-shaped protective cover.
Full page colour area of 5 x 15 cm.
Ideally suited for colour combination and colour comparison.
Choice of semi-matte or gloss.
The RAL-K7 Fabric colour chart Colour Collection with its 210
colours is indispensable in many areas.
Many products are internationally available in these colours. RAL
Colours with four digit numbers will continue to be important for
colour decision also in the future.
Cheap color meter NR110 with small aperture 4mm compare to wsc-s
colorimeter and color difference meter
Since 1998, from import to domestic, 3nh NR110 colorimeter is an
iconic milestone in color test industry.
Its friendly interface makes operation very simple. And once
connected with PC via the software CQCS3 whose complete independent
intellectual property right is owned by 3nh, more powerful
extension functions will be at hand, like color difference
analysis, color difference cumulative analysis, chromaticity index,
color sample database management and simulating object color, etc.
1. PC software: CQCS3 software
2. Pass CE, ISO 9001, ROHS, TUV certifications
3. 8mm measurement aperture
4. Rechargeable Li-ion battery
5. USB interface
6. Optional mini printer
7. D65 light source
8. 8/d illuminating geometry
9. 0.08 high presicion
10. Instrument Box
CIE L*a*b; CIE XYZ;CIE*C*H
Color Difference Formula
ΔE*ab; ΔL*ab; ΔE*C*H
8/d (8°illumination angle/diffuse viewing)
LED blue light excitation
Silicon photoelectric diode
Observer: CIE 10° Standard Observer
L: 0 to 100
Standard deviation within ΔE*ab 0.08
100 pcs standard samples; 20000 pcs test samples
More than 3000 measurements
Model B: USB RS-232: Baud rate 19200bps
more than 1.6 million times in 5 years