提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 s Yp?V\Y"  
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Asteria是Admesy公司专门针对亮度和闪烁（LED频闪、液晶Flicker）推出的亮度计，采用优选硅光电二极管以保证较高的测试精度，测量速度最高为180000次/s。性价比高，便于携带和产线应用。
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： ~Ey)9phZK  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). gZ{q85C.>  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). X MkyX&y  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   i;+]Y  
Triggerinput and output for in line applications. R.ZC|bPiD  
Windows,Linux, OSX and embedded systems compatible. =lyP &u  
SCPIcommand interface for easy integration in other applications. {~cG'S Y%  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. # MpW\y
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USBTMCstandard compliant. 'j6)5WL$  
Integrating-or sampling mode available "l8
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3 gainstages for every mode ,Oqd4NS  
Auto-rangefunction   gW0{s[}T  
Usercalibration function and pre-programmed calibration values   Y@&1[Z  
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Opticalsystem   vsFRWpq  
Optics '3n?1x  
10mmapperture lens ;{@jj0h;  
Acceptanceangle .)eJL  
5(±2.5) degrees. 6x6xv:\  
Spotsize @ 50mm ]mED3#  
12mm 52RFB!Z[  
Spotsize @ 75mm =aL=SC+  
15.5mm DM*GvBdR  
Spotsize @ 100mm kTCWyc  
19mm |dLA D4%  
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Samplemode - signal frequency response   g 0=Q
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Parameter F0&BEJBkU  
f3db(1) ^M51@sXI7  
Gain 1 0zscOE{  
DC –20 kHz |.8lS3C  
Gain 2 fe,A\W&8  
DC –50 kHz Y(:.f-Du  
Gain 3 O-5s}RT  
DC –120 kHz -Odk'{nW  
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Measurementspecification 9lT6fW`v1Q  
Parameter ;JNI$DR  
Range vocXk_  
Accuracy >icL,n"]  
Lightlevel [cd/m a.oZ}R7'Y  
2 QH?}uX'x)G  
]       Repeatability (2)     Speed [samples/sec] (2) $}9.4`F>  
Luminance(Y) wK0= I\WN9  
(integratingmode) KINKq`Sx  
0.005– 15,000 cd/m2 vZ<@m2  
integrationtime Ru1I,QvCj"  
between1ms and 5 W0++q=F  
seconds &n
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±4% of measuredvalue.
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Measuredat white image of LED LCD display. &n5Lc`  
Luminance~150 cd/m2; CB76  
0.1 z j[/~I  
±0.20% '[XtARtY`  
4-10 !W^b:qjJ  
1 ?2;gmZd7  
±0.10% !3E %u$-}  
10-20 ;OE=;\  
5 ,$lOQ7R1(  
±0.05% |VY+!  
20-100 `0]kRA8=  
>150 L}>XH*  
±0.03% \P3[_kbf1  
20-100 Wq4>!|  
Luminance(Y) Ym)8L.  
(samplingmode) w]BZgF.  
1 –15,000 cd/m2 wEMh !jAbv  
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±4% of measuredvalue. .x 1& 
  
Measuredat white image of LED LCD display. c[/h7
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Luminance~150 cd/m2; xB%Felz  
1 3Pb]Of#  
±0.20% ~"oxytJ  
4-10 eyx;8v cM  
5 U\_-GS;1  
±0.10% ]3+xJz~=  
10-20 q- U/JC  
20 '+!@c&d#%o  
±0.05% T8ga)BA  
20-100 (sngq{*%%z  
>150 kt.y"^  
±0.03% %E!^SF?Y  
20-100 XT n`$}nz  
Flicker [Rqv49n*V  
(ContrastMethod) 3#d5.Ut  
1-15,000cd/m2 z}Qt6
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±1% ;NyX9&@  
Flickerfrequency:30Hz AC/DC 10% sine wave @   {V> >a  
10Cd/m WVP^C71  
2 ^,Paih 2  
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S 1%/ee3  
Flicker S{v [65  
(JEITAmethod) i.0}d5Y  
1-15,000cd/m2 N8<Wm>GLX~  
±1dB t)yWQV  
Flickerfrequency:30Hz AC/DC 10% sine wave @ L_>j SP  
10Cd/m sknta0^=2  
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