提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 XOU-8;d  
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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： Y)5uK:)^  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). AA& dZjz  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). +VW]
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Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   y $DB  
Triggerinput and output for in line applications. zt?wn*_  
Windows,Linux, OSX and embedded systems compatible. leYmVFE  
SCPIcommand interface for easy integration in other applications. A`/7>'k/q[  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. eD1MP<>h  
USBTMCstandard compliant. Z!i'Tbfn  
Integrating-or sampling mode available K$vRk5U  
3 gainstages for every mode Pk]9.e1_  
Auto-rangefunction   -bu. *=  
Usercalibration function and pre-programmed calibration values   ZXDMbMD  
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Opticalsystem   fU~y481A  
Optics !9cPNIi  
10mmapperture lens GQ)cUrXQz  
Acceptanceangle i&Cqw~.H  
5(±2.5) degrees. b`Ek;nYek  
Spotsize @ 50mm >)Z2bCe  
12mm O xau
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Spotsize @ 75mm z}N^`_ *  
15.5mm %t
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Spotsize @ 100mm XBt0Ez  
19mm h?tV>x/Fu  
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Samplemode - signal frequency response   $/#)  
Parameter g\nL n#  
f3db(1) acZ|H  
Gain 1 +hhbp'%  
DC –20 kHz \mit&EUh}  
Gain 2 pR7G/]U$A  
DC –50 kHz L`@&0Zk  
Gain 3 s"F,=]HQ!G  
DC –120 kHz &|FG#.2yw  
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Measurementspecification o@~gg*
  
Parameter [c%}L 3B  
Range UiN ^x  
Accuracy {"(|oIo{  
Lightlevel [cd/m xW )8mv?4n  
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]       Repeatability (2)     Speed [samples/sec] (2) }(O kl1  
Luminance(Y) 93b5S>&r  
(integratingmode) ]>!_OCe&  
0.005– 15,000 cd/m2 fb=vO U  
integrationtime >(Ddw N9l  
between1ms and 5 1@@]h!>k:  
seconds cwU6}*_zn  
±4% of measuredvalue. = $Yk8,  
Measuredat white image of LED LCD display. hrxASAfg6  
Luminance~150 cd/m2; ?I
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0.1 r|$g((g  
±0.20% n9yv.p]  
4-10 !aoO,P#j  
1 !}m8]&  
±0.10% KA[Su0  
10-20 F&Z>B};  
5 JsdEA  
±0.05% imuHSxcaV  
20-100 !LESRh?  
>150 :udZfA\sW  
±0.03% _+7f+eB  
20-100 @}}1xP4Sr  
Luminance(Y) y!Eh /KD  
(samplingmode) 9$t@Gmn  
1 –15,000 cd/m2 }Q*ec/^{f  
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±4% of measuredvalue. <m\TZQBD  
Measuredat white image of LED LCD display. &$ 9bC't6  
Luminance~150 cd/m2; s@9#hjv2  
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±0.20% $x<-PN  
4-10 (9h{6rc=I  
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±0.10% yw^,@'  
10-20 }?$Mh)  
20 riQ?'!a7  
±0.05% ![Y$[l  
20-100 wjs7K|PK  
>150 ~'Hwszpb  
±0.03% cwM0Z6  
20-100 =
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Flicker T~d';P  
(ContrastMethod) !h;VdCCi#  
1-15,000cd/m2 U$%w"k7^(  
±1% @:8|tJu8b  
Flickerfrequency:30Hz AC/DC 10% sine wave @   Ei!z? sxzx  
10Cd/m "^7Uk#! 7  
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Flicker epePx0N%x$  
(JEITAmethod) 3H2'HO  
1-15,000cd/m2 l,3tU|V  
±1dB $1F9TfA  
Flickerfrequency:30Hz AC/DC 10% sine wave @ :>u{BG;=79  
10Cd/m 5VS<
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