提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 .nu @ o40  
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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。 %3q0(Xl  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： SzwQOs*  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). 2~[@_  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). \Ng\B.IQ  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   *L6PLe  
Triggerinput and output for in line applications. tM-^<V&  
Windows,Linux, OSX and embedded systems compatible. n+@F`]Ke  
SCPIcommand interface for easy integration in other applications. H1GRMDNXOA  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. D4eTTf
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USBTMCstandard compliant. wbDM5%  
Integrating-or sampling mode available NjPDX>R\K  
3 gainstages for every mode a,F&`Wg  
Auto-rangefunction   ;*ix~taL%  
Usercalibration function and pre-programmed calibration values   |7,L`utp  
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Opticalsystem   LMi:%
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Optics M.-"U+#aD  
10mmapperture lens }+o:j'jB  
Acceptanceangle 2?m.45`  
5(±2.5) degrees. @`tXKP$so  
Spotsize @ 50mm |@,|F:h<M  
12mm H>9CW<
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Spotsize @ 75mm w-Nhs6  
15.5mm t}IkK=f  
Spotsize @ 100mm I;5R2" 3  
19mm ?D,=37  
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Samplemode - signal frequency response   vZ/6\Cz
 
Parameter x!\ONF5$  
f3db(1) o"wXIHUmV  
Gain 1 WN(ymcdYB  
DC –20 kHz y;mj^/SxK  
Gain 2 DeR='7n  
DC –50 kHz }:0uo5B7  
Gain 3 *Av"JAX  
DC –120 kHz @(P=Eh  
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Measurementspecification gtUUsQ%y.  
Parameter 6v,z@!b  
Range f.24:Dw,  
Accuracy {t};-q!v$j  
Lightlevel [cd/m A:(*y 2  
2 85EQ5yY  
]       Repeatability (2)     Speed [samples/sec] (2) < >UPD02  
Luminance(Y) zF5uN:-s  
(integratingmode) $/6;9d^  
0.005– 15,000 cd/m2 QwhRNnE=  
integrationtime l5
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between1ms and 5 w9 w%&{j  
seconds e><5Pr
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±4% of measuredvalue. BBcV9CGU  
Measuredat white image of LED LCD display. q+B&orp  
Luminance~150 cd/m2; 0$7.g!h?  
0.1 "[}O"LTQ  
±0.20% PtqJ*Z  
4-10 .>z][2oz  
1 8M@
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±0.10% As+t#
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10-20 4&/j|9=X  
5 jxJv.  
±0.05% 3\T2?w9u(  
20-100 7d92Pe  
>150 ''\;z<v  
±0.03% ~4q5 k5.,  
20-100 P{Q=mEQ  
Luminance(Y) rJ KZ)N{  
(samplingmode) UT}i0I9  
1 –15,000 cd/m2 Kx_h1{  
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±4% of measuredvalue. K't]n{$  
Measuredat white image of LED LCD display. Mi~(aah  
Luminance~150 cd/m2; sg
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1 5SkW-+$  
±0.20% ;gC|  
4-10 eAPXWWAZJ1  
5 )Ud-}* g  
±0.10% $%VuSrZ&  
10-20  |W<+U  
20 3> /K0N|$  
±0.05% $=?@*p  
20-100 Vf(6!iRP@  
>150 C"IK
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±0.03% G\NPV
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20-100 jY_T/233d  
Flicker ')GSAY7  
(ContrastMethod) VbBPB5 $q  
1-15,000cd/m2 %X9r_Hx  
±1% #p[',$cC  
Flickerfrequency:30Hz AC/DC 10% sine wave @   y\{%\$  
10Cd/m NH_<q"gT  
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Flicker ^k<oT'89  
(JEITAmethod) 1 hg}(Hix  
1-15,000cd/m2 aZbw]0q@o  
±1dB _#vrb;.+  
Flickerfrequency:30Hz AC/DC 10% sine wave @ 7t
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10Cd/m /PsnD_s]5  
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