Portable color difference meter
Product Details:
| Place of Origin | Shanghai, China |
|---|---|
| Brand Name | selon |
| Model Number | selon-HP-2132 |
Detailed Product Description
profile
In 1931,the CIE(Commission Internationale De L'E'clalrage)setup a series of visible spectrum color space standards.The Basic CIE color space standardS iS CIE_XYZ.lt iS built on standard visual observerson the basis of ability to see,and it reflects the standardS scope of color by eye.Based On CIE_XYZ there are CIE_XvY,CIE_Lab,CIE Lch standard color space,etc.
At present,the CIE Lab color space iS the most commonly used in the industry.In ClE Lab color space,L value stands for color brightness and a value stands for the Green-0n-red value.and b value stands for the blueonyellow color value.If determine a value of color by only a group Lab,it will be not practical.However,we can determine the differences among them by comparing two groups of Lab values.
Technical Features
Easy operation make you use it easily
Widely applied to quality control of plastic and printing industries
Display directly color difference by E*abL*a*bCIE_L*a*bCIE_L*C*h
Standard deviation withinE*ab0.2(test conditionchoose average values by 12pcs white tabula)
It can be connected with computer to do the inspection by software with USB expansion interface
Skills Indications
test accuracy | Within 0.2 E*a b |
Display | E*abCIE_LabL,a,bCIE_Lch |
Test swpe | L:0100 a-128--127 b-128--127 |
Test time | About 3 seconds |
Test Interval | 2 seconds |
Test aperture | 8mm |
Automatic shutdown | Automatic shutdown after 5 minutes waiting |
Light source | C light source |
Sensor | Correct sillicon photodiode carrays |
Power | DC5V(1.5A).2pcs 1.5V(AAA)batteries |
Size | 171*50*48.8mm |
Weight | 203.6g(Exclusive battery) |
Ope rated temperature scope | 0-40 132-104'f);lower than 85% relative humidlty |
Standard accessories | 1 pc nlanual/softwbag/9V battery/5v external power supplyUSB connecting cableCD |
Application | Measure any color Of smooth surface |
Workin~theory
Compa re the color difference between sample and the measured subject then
output CIE_Lab 3 groups data,and the 4 groups of E,L,a,b data after
comparision
E stands for the totaI color difference.
L+stands for partial white,L-stands for partial black(cornpa ring with p rototype)
a+stands for pa rtial red,astands for partial green(comparing with p rototype)
b+stands for pa rtial yellow,b-stands for pa rtial blue(comparing with plrototype)
Color dif SCOpe | Color dif.anylysis |
0.0 25AE | very small or novery perfect matching |
0.250.5E | smallacceptable matching |
0.01.0E | small to mediumacce-ptabIe in some areas |
1.02.0E | Mediumacceptable in some a reas |
2.04.0E | has dislanceacceptable in special applications |
4.0 E | ve ry bignot acceptable in most applications |
Portable color difference meter
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Company Info
Shanghai Selon Scientific Instrument Co., Ltd.
[China]
[Verified Member]
City: Shanghai
Province/State: Shanghai
Country/Region : China
Business Type:Manufacturer, Trading Company
Online Postings: Products