提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 }xx"  
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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。 3#\++h]QZ  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： ZYS`M?Au  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). 7Gh+EJJ3I  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). _BFDsQ  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   mV>l`&K=  
Triggerinput and output for in line applications. W(4Mvd  
Windows,Linux, OSX and embedded systems compatible. cMU"SO  
SCPIcommand interface for easy integration in other applications. Bm>>-nG;  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. yf4I<v$y  
USBTMCstandard compliant. @5RbMf{  
Integrating-or sampling mode available iY,FfuE  
3 gainstages for every mode kJ'rtz4QO  
Auto-rangefunction   02$d  
Usercalibration function and pre-programmed calibration values   %~e+H|  
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Opticalsystem   qkbGM-H%U  
Optics REg&[e+%  
10mmapperture lens zi^?9n),  
Acceptanceangle @k-C>h()C  
5(±2.5) degrees. +,Ud 3iS  
Spotsize @ 50mm W(jOD,QM
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12mm fzdWM:g  
Spotsize @ 75mm m{gw:69h  
15.5mm mOC<a7#  
Spotsize @ 100mm ;!hwcOkX  
19mm |LLDaA-=0  
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Samplemode - signal frequency response   Y&uwi:_g  
Parameter |NdWx1  
f3db(1)
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Gain 1 ^7Rc\  
DC –20 kHz O0^?VW$y_  
Gain 2 ,+4*\yI3l  
DC –50 kHz !AXt6z cZ  
Gain 3 y3 "+4e  
DC –120 kHz pi|=3W  
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Measurementspecification nYnBWDnV  
Parameter >Jk]=_%  
Range 'NNfzh  
Accuracy ^'ws/(  
Lightlevel [cd/m rT|wZz9$@  
2 \ z3>kvk  
]       Repeatability (2)     Speed [samples/sec] (2) 8w$q
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Luminance(Y) J#DN2y<  
(integratingmode) &J\<"3  
0.005– 15,000 cd/m2
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integrationtime [gDl<6
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between1ms and 5 `%/w0,0  
seconds 1EMud,,:  
±4% of measuredvalue. fm0]nT   
Measuredat white image of LED LCD display. P:>]a$Is  
Luminance~150 cd/m2; L.s$|%  
0.1 Js<DVe,  
±0.20% "x0/i?pqa  
4-10 DJZ$M  
1 nN2huNTf:  
±0.10% 8AJ#].q0F  
10-20 a$5
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±0.05% g/4ipcG;N  
20-100 CjGQ  
>150 af'gk&%  
±0.03% JRR,ooN*i  
20-100 {G+io
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Luminance(Y) feJl[3@tO  
(samplingmode) aH_0EBR
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1 –15,000 cd/m2 $H`{wJ?2(  
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±4% of measuredvalue. {kghZur  
Measuredat white image of LED LCD display. |=:<[FU  
Luminance~150 cd/m2; u}.mJDL  
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±0.20% nT%ko7~-  
4-10 q+
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±0.10% 8+ ]'2{  
10-20 ^ib =fLu  
20 Z7NR%u_|[  
±0.05% _3IRj=Cs  
20-100 "Hk7s+%  
>150 :=*V i`  
±0.03% 3RF`F i  
20-100 {DapXx  
Flicker Us.k,  
(ContrastMethod) CFUn1^?0  
1-15,000cd/m2 HQNpf1=
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±1% 8#w%qij  
Flickerfrequency:30Hz AC/DC 10% sine wave @   BV6B:=E0  
10Cd/m CQPq5/@Y4  
2 "A> _U<Y  
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Flicker fB 0X9iV6j  
(JEITAmethod) yJ="dEn>i"  
1-15,000cd/m2 xf{ZwS%X  
±1dB kA> e*6  
Flickerfrequency:30Hz AC/DC 10% sine wave @ ,M~> t7+  
10Cd/m v o4U%  
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