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Help CenterPortable Color Difference Meter Color Meter
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Portable Color Difference Meter (HP-2132)
I. Technical Features
1. Easy operation make you use it easily
2. Widely applied to quality control of plastic and printing industries
3. Display directly color difference by ΔE*ab, ΔL*a*b, CIE_L*a*b, CIE_L*C*h
4. Standard deviation within ΔE*ab0.2(test condition: choose average values by 12pcs white tabula)
5. It can be connected with computer to do the inspection by software with USB expansion interface.
II. Skills Indications
|
test accuracy |
Within 0.2 ΔE*a b |
|
Display |
ΔE*ab, CIE_Lab, ΔL, Δa, Δb, CIE_Lch |
|
Test swpe |
L:0—100 a: -128--127 b: -128--127 |
|
Test time |
About 3 seconds |
|
Test Interval |
2 seconds |
|
Test aperture |
φ8mm |
|
Automatic shutdown |
Automatic shutdown after 5 minutes waiting |
|
Light source |
C light source |
|
Sensor |
Correct silicon photodiode carrays |
|
Power |
DC/5V(1.5A).2pcs 1.5V(AAA)batteries |
|
Size |
171*50*48.8mm |
|
Weight |
203.6g(Exclusive battery) |
|
Operated temperature scope |
0-40 °c (132-104°F); lower than 85% relative humidity |
|
Standard accessories |
1 pc nlanual/softwbag/9V battery/ 5v external power supply/ USB connecting cable/ CD |
|
Application |
Measure any color Of smooth surface |
CIE ColorSpace Coordinate ChartConnecting with Computer to do the analysis
COLOR DIFFERENCE FORMULA
ΔE*ab=[(ΔL*)2+(Δa*)2.+(Δb*)2]1/2
ΔL*=Lsample-L*standard(lightness difference)
Δa*=a*Lsample-a* standard(red/green difference)
Δb*=b*Lsample-b standard.mmd(yellow/blue difference)
III. Working~theory
Compare the color difference between sample and the measured subject then
output CIE_Lab 3 groups data, and the 4 groups of ΔE, ΔL, Δ a, Δb data after comparision
ΔE stands for the total color difference.
ΔL+stands for partial white, ΔL-stands for partial black (cornpa ring with p rototype)
Δa+stands for partial red, Δa—stands for partial green (comparing with p rototype)
Δb+stands for partial yellow, Δb-stands for partial blue (comparing with plrototype)
|
Color difference Scope |
Color dif. anylysis |
|
0.0 25AE |
very small or no; very perfect matching |
|
0.25—0.5ΔE |
small; acceptable matching |
|
0.0—1.0E |
small to medium: acceptabIe in some areas |
|
1.0—2.0ΔE |
Medium: acceptable in some a reas |
|
2.0—4.0ΔE |
has dislance: acceptable in special applications |
|
4.0 ΔE |
ve ry big; not acceptable in most applications |
We can make and manufacture products according to customer specific needs.
provide best and professional service for you, pls contact with us freely;
Stable performance, best price, good quality , good after-sales service
Usage: laboratory products
Product name: Portable Color Difference Meter (HP-2132), China color difference meter
We do treasure and value our business working partnership with you, we are waiting for your enquiry and wish you all the best!
Send Inquiry to This Supplier
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