提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 z^r|3;  
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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。 '9qn*H`'  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： `h?LVD'l  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). UxyY<H~Wx  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). C` pp  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   "Nbos.a]5  
Triggerinput and output for in line applications. 'Q5&5UrBr  
Windows,Linux, OSX and embedded systems compatible. KxY$PgcC  
SCPIcommand interface for easy integration in other applications. <P1rqM9^  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. ?0{yq>fTu  
USBTMCstandard compliant. R2l[Q){!  
Integrating-or sampling mode available 4IZlUJ?j+c  
3 gainstages for every mode O}QFq14<+  
Auto-rangefunction   ?w*yW;V`  
Usercalibration function and pre-programmed calibration values   _?.\Xc  
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Opticalsystem   u)v$JpNE  
Optics y0<Uu  
10mmapperture lens Zd[OWF  
Acceptanceangle L1wZU,o  
5(±2.5) degrees. =`-|&  
Spotsize @ 50mm ryg4hHspl  
12mm ~b Rd)1  
Spotsize @ 75mm QQFf5^  
15.5mm b$Ln}<  
Spotsize @ 100mm $Z ]z  
19mm lyyX<=E{)  
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Samplemode - signal frequency response   hT'=VN  
Parameter ,^ 7 CP  
f3db(1) 77*qkKr  
Gain 1 rnO0-h-;  
DC –20 kHz x`2| }AP(  
Gain 2 X D) 8?  
DC –50 kHz |g<*Rk0  
Gain 3 yxwWj>c  
DC –120 kHz rgqQxe=  
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Measurementspecification *_1[[~Aw  
Parameter 03([@d6<
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Range %&+TbDE+T  
Accuracy XX2h(-  
Lightlevel [cd/m G`F8!O(  
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]       Repeatability (2)     Speed [samples/sec] (2) K'aWCscM  
Luminance(Y) .wy$
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(integratingmode) rA1
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0.005– 15,000 cd/m2 OP%?dh]  
integrationtime C#;@y|Rw  
between1ms and 5 _9@ >;]  
seconds y\'P3ihK  
±4% of measuredvalue. G 4qy*.  
Measuredat white image of LED LCD display. f8'MP9Lv  
Luminance~150 cd/m2; v$Uhm</|19  
0.1 ,PECYwegkt  
±0.20% 0/ !,Dn  
4-10 Yp1bH+/u  
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±0.10% ufrqsv]=  
10-20 ghAi{@s$)  
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±0.05% nX^1$')gp  
20-100 zN~6HZ_:^  
>150 L9FHgl?  
±0.03% }gGkV]  
20-100
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Luminance(Y) }$kQs!#  
(samplingmode) ?WpenUWk  
1 –15,000 cd/m2 ]|U-y645  
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±4% of measuredvalue. <G~>~L.E  
Measuredat white image of LED LCD display. p'f%%#I  
Luminance~150 cd/m2; r-IT(DzkD  
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±0.20% u6Je@e_!  
4-10 fD4ICO@  
5 !kL> ,O>/  
±0.10% + G;LX'B  
10-20 `/n
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20 zhblLBpeE\  
±0.05% ;%Hf)F  
20-100 >cN~U
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>150 *7
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±0.03% tX%`#hb?s  
20-100 P0Z!?`e=M  
Flicker /6+NU^  
(ContrastMethod) -#s [F S  
1-15,000cd/m2 M4m$\~zf  
±1% ymN!-x8q>'  
Flickerfrequency:30Hz AC/DC 10% sine wave @   jrMe G.e=D  
10Cd/m LF*&(NC  
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Flicker 3c3OG.H$8  
(JEITAmethod) $`VFdAe  
1-15,000cd/m2 9GLb"6+PK  
±1dB <F=9*.@D  
Flickerfrequency:30Hz AC/DC 10% sine wave @ A,gEM4  
10Cd/m k`{7
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