提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 @@O=a  
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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。 _ `RCY^t  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： bJz}\[z  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). lhk[U!>#  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). [= GVK  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   hLZ<h7:  
Triggerinput and output for in line applications. @DYxDap{  
Windows,Linux, OSX and embedded systems compatible. ,bQbj7  
SCPIcommand interface for easy integration in other applications. &3nbmkM  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. `a
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USBTMCstandard compliant. yz CQ  
Integrating-or sampling mode available .[1"3!T  
3 gainstages for every mode kYVn4Wq  
Auto-rangefunction   W
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Usercalibration function and pre-programmed calibration values   nS53mLU)  
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Opticalsystem   H</Mh*Fl2G  
Optics QX'EMyK$  
10mmapperture lens JE<zQf(&  
Acceptanceangle [CBhipoc  
5(±2.5) degrees. Oh\+cvbG  
Spotsize @ 50mm BDeX5/`U#  
12mm } +@H&}u  
Spotsize @ 75mm XM+o e0:[  
15.5mm vtv^l3  
Spotsize @ 100mm >z`^Q[  
19mm [&Z3+/lR*  
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Samplemode - signal frequency response   >~g(acH%`x  
Parameter scffWqEo  
f3db(1) : *~}\M*  
Gain 1 2 f"=f^rf  
DC –20 kHz rT2gX^Mj&  
Gain 2 wQ7G_kVp  
DC –50 kHz [F^qa/vJ10  
Gain 3 C;T:'Uws  
DC –120 kHz $ylQ \Y'  
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Measurementspecification R3G+tE/Y  
Parameter T4OH,^J  
Range 
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Accuracy jL|y4  
Lightlevel [cd/m H9x
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2 N34.Bt  
]       Repeatability (2)     Speed [samples/sec] (2) Y=%SK8]Q;  
Luminance(Y) D*>EWlZ   
(integratingmode) aXoD{zA  
0.005– 15,000 cd/m2 QEh_2  
integrationtime ?y] q\>  
between1ms and 5
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seconds 6N%fJ  
±4% of measuredvalue. Gj~1eS  
Measuredat white image of LED LCD display. ,s%1#cbR  
Luminance~150 cd/m2; aw0;  
0.1 92@/8,
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±0.20% uN:|4/;{&  
4-10 Br}&  
1 NV|[.g=lg  
±0.10% uB(16|W>S  
10-20 Zy}Qc")Z  
5 RGeM.  
±0.05% 23lLoyN  
20-100 p)t1]<,Of  
>150 LDj'L~H  
±0.03% d6$,iw@>^  
20-100 UBmD 3|Zo  
Luminance(Y) -/#VD&MJO=  
(samplingmode) `A]CdgA  
1 –15,000 cd/m2 *H"IW0I  
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±4% of measuredvalue. 19Cs 3B\4  
Measuredat white image of LED LCD display. }Htnhom0n  
Luminance~150 cd/m2; *^BW[C/CTR  
1 B!`Dj,_  
±0.20% hi{#HXa  
4-10 yGNZw7^(  
5 K3jPTAw=#  
±0.10% Ub0hISA  
10-20 5E~?hWAv  
20 j>2Jw'l;?  
±0.05% (M1HNIM;(  
20-100 *K9I+t"g  
>150 w/8`]q  
±0.03% uHBEpqC%  
20-100 K[wOK  
Flicker DCJmk6p%0  
(ContrastMethod) z (N3oBW  
1-15,000cd/m2 E8TJ*ZU  
±1% +`EF0sux  
Flickerfrequency:30Hz AC/DC 10% sine wave @   `EV"
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10Cd/m yI&{8DCCw  
2 |-WoR u  
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Flicker uS9:cdH  
(JEITAmethod) U($sH9,  
1-15,000cd/m2 +3HukoR(  
±1dB !Gv*iWg  
Flickerfrequency:30Hz AC/DC 10% sine wave @ FmfPi .;1  
10Cd/m uCA!L)$  
2 1E(~x;*)