提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 :[@rA;L  

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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。 F,vkk{Z>  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： w!UF^~  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). |}{gE=]  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). JOuy_n  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   TJYhgna  
Triggerinput and output for in line applications. v,n 8$,  
Windows,Linux, OSX and embedded systems compatible. *Y85evq  
SCPIcommand interface for easy integration in other applications. RV]#Bg*[#  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. =b66H]h?  
USBTMCstandard compliant. I{w(`[Nxw*  
Integrating-or sampling mode available YXo?(T..  
3 gainstages for every mode (?A c`H  
Auto-rangefunction   "PMJh3q  
Usercalibration function and pre-programmed calibration values   & *tL)qKDc  
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Opticalsystem   M*k,M=sX  
Optics 
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10mmapperture lens `BZ|[ q3  
Acceptanceangle 8$c)]Bv  
5(±2.5) degrees. e<+)IW:  
Spotsize @ 50mm _#M4zO7  
12mm 9'(^Coq  
Spotsize @ 75mm HG /fp<[   
15.5mm QcWg  
Spotsize @ 100mm b7hICO-w  
19mm N?c~AEk9U  
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Samplemode - signal frequency response   Lp%J:ogV`  
Parameter <LZ#A@]71  
f3db(1) )z&C&Gqz  
Gain 1 h% >ZN-K)  
DC –20 kHz /w?zO,!  
Gain 2 K91O$'J  
DC –50 kHz w3i74C&0  
Gain 3 ADF<5#I  
DC –120 kHz }#tbK 2[  
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Measurementspecification 5
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Parameter {li Q&AZ  
Range |L89yjhWBs  
Accuracy ,2 xD>+=  
Lightlevel [cd/m gcI<bY  
2 `_.:O,^n^  
]       Repeatability (2)     Speed [samples/sec] (2) +P+h$gQ  
Luminance(Y) oR%cG"y  
(integratingmode) 5GPrZY"  
0.005– 15,000 cd/m2 E3{kH 7_'\  
integrationtime 3-AOB3](
 
between1ms and 5 'A3*[e|OS  
seconds pub?%  
±4% of measuredvalue. ^N^s|c'  
Measuredat white image of LED LCD display. OK-*TPrc  
Luminance~150 cd/m2; ?ec
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0.1 =oq=``%  
±0.20% toU<InN  
4-10 =/xx:D/  
1  6shN%  
±0.10% ~-G_
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10-20 !K2QD[x  
5 1Ke9H!_P  
±0.05% @o1#J`rv  
20-100 JbitRV@a  
>150 4M0p:Ey '  
±0.03% !M)] 1Y
 
20-100 X>pCkGE  
Luminance(Y) \|B\7a'4  
(samplingmode) p1.3)=T  
1 –15,000 cd/m2 r? }|W2^%  
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±4% of measuredvalue. eHIcfp@&  
Measuredat white image of LED LCD display. uvR l`"Y  
Luminance~150 cd/m2; ={]POL\ A  
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±0.20% Chad}zU`  
4-10 k}qCkm27  
5 Vo.~1^  
±0.10% P0sAq7"  
10-20 amX1idHo^  
20 OZz!8-|wE  
±0.05% wZJbI[r  
20-100 d0Ubt  
>150 CY*GCkH  
±0.03% LylCr{s7  
20-100 _ShWCU-~Z  
Flicker /?b{*<TK  
(ContrastMethod) }L%2K"8?}  
1-15,000cd/m2 .LnknjC  
±1% ][#|5UK8L  
Flickerfrequency:30Hz AC/DC 10% sine wave @   3^$=XrD  
10Cd/m b5KK0Jjk  
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Flicker 3J/l>1[  
(JEITAmethod) @6aJh< c  
1-15,000cd/m2 N>Uxq&)!  
±1dB B(} 'yY@%u  
Flickerfrequency:30Hz AC/DC 10% sine wave @ 59"tHb6E  
10Cd/m k\dPF@~Hvl  
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