提供Admesy公司Asteria亮度计

z#t;n  
提供Admesy公司Asteria亮度计 2[Vs@X  
_sC kBDl-  
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。 .?;"iv+  
nVv=smVOt  

图片:Asteria-2.gif

图片:Asteria.gif

8eZ^)9m  
Asteria亮度计的特性： d(;Qe}ok>  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). +BkmI\  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). jt4c*0z  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   V"Y-|R  
Triggerinput and output for in line applications. _U`1BmTC2  
Windows,Linux, OSX and embedded systems compatible. FAF+}  
SCPIcommand interface for easy integration in other applications. bs\7 juHt  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. f>jAu;S  
USBTMCstandard compliant. ip2BvN&  
Integrating-or sampling mode available Ah1fcXED  
3 gainstages for every mode 9xIz[`)i.  
Auto-rangefunction   g;t>jgX  
Usercalibration function and pre-programmed calibration values   -`}
d@x  
F}{uY(hv"[  
Opticalsystem   |(O _K(  
Optics 2^T`> ?{X  
10mmapperture lens Sz'JOBp  
Acceptanceangle 7W `gN[*  
5(±2.5) degrees. wU)vJsOq  
Spotsize @ 50mm -KFozwr5/  
12mm yfCdK-9+B  
Spotsize @ 75mm }@avGt;v  
15.5mm ;_?RPWZ;MO  
Spotsize @ 100mm } 2P,Z6L  
19mm DXc3u^
L  
_!?iiO  
Samplemode - signal frequency response   Uh8c!CA8:\  
Parameter eBxOa  
f3db(1) >Mc,c(CvU  
Gain 1 l[Rl:k!  
DC –20 kHz V j"B/@  
Gain 2 .m_-L Y-  
DC –50 kHz fKjUEMRK  
Gain 3 |%xgob  
DC –120 kHz 8sGaq [  
3F|#nq  
Measurementspecification x,>r}I>^Q  
Parameter Y> f 6  
Range c&n.JV   
Accuracy 6
;vfl*  
Lightlevel [cd/m |*-&x:p7O  
2 >{huaN B  
]       Repeatability (2)     Speed [samples/sec] (2) ]Y
@B= 5e/  
Luminance(Y) E4dN,^_ F!  
(integratingmode) 0N(o)WRv  
0.005– 15,000 cd/m2 95^A !  
integrationtime N)N\iad^  
between1ms and 5 KG8Km  
seconds P<{N)H 2r  
±4% of measuredvalue. tp3]?@0  
Measuredat white image of LED LCD display. "~^#{q  
Luminance~150 cd/m2; z~y=(T  
0.1 ilpP"B  
±0.20% Uel^rfE`  
4-10 tj=l!  
1 7.N~e}p8  
±0.10% )T26cT$  
10-20 T0=%RID%=  
5 oUG!=.1}K5  
±0.05% SWrP0Qjc  
20-100 POtwT">z  
>150 @XRN#_{  
±0.03% B6gn(w3  
20-100 p&|:,|jo5  
Luminance(Y) &q0s8'qA  
(samplingmode) 2J5RZg9jL  
1 –15,000 cd/m2 c^s%t:)K  
dZ"w2ho  
±4% of measuredvalue. TaI72"8  
Measuredat white image of LED LCD display. xvx+a0 A  
Luminance~150 cd/m2; C}>Pn{wY9  
1 lZ![?t}2`  
±0.20% uiQRRT  
4-10 y2:~_MD  
5 fce~a\y0  
±0.10% O${B)C,  
10-20 /$NZj"#  
20 ]= nM|e  
±0.05% u|}p3-z|Y  
20-100 ./#F,^F2  
>150 ]> dCt<  
±0.03% o,yP9~8\  
20-100 SZ'2/#R>  
Flicker _2N7E#m"S  
(ContrastMethod) ndCHWhi  
1-15,000cd/m2 >/5'0n_R  
±1% Nxd<#p  
Flickerfrequency:30Hz AC/DC 10% sine wave @   Zj]jE%AT  
10Cd/m eNEMyv5{w4  
2 4gkaCk{]  
Pv3rDQ/Yt|  
2LqJ.HH  
Flicker oFC]L1HN&  
(JEITAmethod) 8'}D/4MUr  
1-15,000cd/m2 n 9X:s?B/  
±1dB `BOG e;pl  
Flickerfrequency:30Hz AC/DC 10% sine wave @ .Fe_Z)i>h  
10Cd/m f0d*%  
2 8,DY0PGP