提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 FC[8kq>Hk  
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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。 r#hA kOw  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： O(q1R#n-}+  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). 9>?3FMKdY  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). ]yI~S(  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   M9so3L<N0  
Triggerinput and output for in line applications. UP]X,H~stU  
Windows,Linux, OSX and embedded systems compatible. F|9:$Jpw!  
SCPIcommand interface for easy integration in other applications. vdA3  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. ZyAm:yO  
USBTMCstandard compliant. ?=$=c8xw  
Integrating-or sampling mode available $0+n0*fp  
3 gainstages for every mode H{qQ8j)  
Auto-rangefunction   x[L/d"Wf  
Usercalibration function and pre-programmed calibration values   _UU-  
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Opticalsystem   s.ywp{EF  
Optics +9Vp<(  
10mmapperture lens vk;]9o j*  
Acceptanceangle <E/"v  
5(±2.5) degrees. P(h[QAM  
Spotsize @ 50mm l@C3
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12mm G_OLUuK?C  
Spotsize @ 75mm vhsHyb  
15.5mm !<'0 GOl  
Spotsize @ 100mm !| ObNS  
19mm -hv<8bC~4  
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Samplemode - signal frequency response   '1rHvz`B/"  
Parameter W<']Q_su  
f3db(1) y?Vsp<  
Gain 1 P:Nj;Cxh  
DC –20 kHz %#gHa  
Gain 2 Km/#\$|}  
DC –50 kHz d^-sxl3}  
Gain 3 Owt|vceT  
DC –120 kHz gxa@da  
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Measurementspecification FH Hi/yh  
Parameter BBkYc:B=SA  
Range #21t8  
Accuracy #0*OkZMt  
Lightlevel [cd/m (>.+tq}  
2 JY6&CL`C  
]       Repeatability (2)     Speed [samples/sec] (2) *.g@6IkAQ  
Luminance(Y) P`ZYm  
(integratingmode) ?|}%A9  
0.005– 15,000 cd/m2 ~r%>x  
integrationtime uIeD.I'@{5  
between1ms and 5 L"Vi:zdp  
seconds fwWE`BB  
±4% of measuredvalue. iRwlK5(&  
Measuredat white image of LED LCD display. e/S^Rx4W  
Luminance~150 cd/m2;  8AX+s\N  
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±0.20% 7"|j.Yq$H{  
4-10 R\VM6>SN'S  
1 g#Doed.30=  
±0.10% aM2[<m}  
10-20 ZA;VA=)\8  
5 t
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±0.05% N7}Y\1-8  
20-100 4pkTOQq_tQ  
>150 (K"8kQLY  
±0.03% DnY7$']"|  
20-100 gr&Rkuyfv  
Luminance(Y) +[2X@J  
(samplingmode) J3;dRW  
1 –15,000 cd/m2 0SJ7Q
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±4% of measuredvalue.
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Measuredat white image of LED LCD display. $IdY(f:.:5  
Luminance~150 cd/m2; fxR}a,a  
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±0.20% !uno!wUIYd  
4-10 c2$&pZ
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5 T@. $Zpz  
±0.10% .*0`}H+_  
10-20 $AI0&#NM  
20 *,Mg  
±0.05% 0'{`"QD\IW  
20-100 W@:a3RJ  
>150 G0u3*.  
±0.03% *`(/wE2v]  
20-100 0xNlO9b/  
Flicker DJm/:td  
(ContrastMethod) XIrNT:h4  
1-15,000cd/m2 I{V1Le4?  
±1% UdS
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Flickerfrequency:30Hz AC/DC 10% sine wave @   _tGR:E  
10Cd/m %5zztReI  
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Flicker UpA{$@  
(JEITAmethod) c/c%-=  
1-15,000cd/m2 w
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±1dB ,Cj8{s&;
 
Flickerfrequency:30Hz AC/DC 10% sine wave @ {]a
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10Cd/m e$wbYByW  
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