提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 ZwB< {?  
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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。 @bOhnd#W  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： %N7b XKDP  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). L&MR%5  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). RmY5/IYR|:  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   ^](sCE7  
Triggerinput and output for in line applications. {3@f(H m  
Windows,Linux, OSX and embedded systems compatible. Dz
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SCPIcommand interface for easy integration in other applications. CO%7^}xSE,  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. K>l$Y#x}k  
USBTMCstandard compliant. 8s-y+M@.  
Integrating-or sampling mode available ]@vX4G/  
3 gainstages for every mode X#'DS&{  
Auto-rangefunction   ' 7+x,TszI  
Usercalibration function and pre-programmed calibration values    gPh;  
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Opticalsystem   Xt^ldW  
Optics I;<0v@  
10mmapperture lens 9u^PM  
Acceptanceangle I'HPy.
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5(±2.5) degrees. ;e415T  
Spotsize @ 50mm 7"@^JxYN  
12mm O`Er*-O  
Spotsize @ 75mm 'FgBYy/
 
15.5mm ExeD3Zj  
Spotsize @ 100mm zflfV!vAg  
19mm t6m3lq{  
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Samplemode - signal frequency response   kfr' P u  
Parameter rn $a)^!  
f3db(1) xHq"1Vs=  
Gain 1 "XlNKBgM  
DC –20 kHz n/6#rj^$  
Gain 2 i'OFun+-,  
DC –50 kHz C-E~z{  
Gain 3 c[J?`8  
DC –120 kHz GK.^Gd  
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Measurementspecification 1DgRV7  
Parameter $s+/OgG4H  
Range (RVe,0y  
Accuracy ^\ A[^' 9  
Lightlevel [cd/m G d~ v _  
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]       Repeatability (2)     Speed [samples/sec] (2) @&?E3?5ll  
Luminance(Y) @W6:JO  
(integratingmode) G2qv)7{l2  
0.005– 15,000 cd/m2 vT~ey
 
integrationtime pqe7a3jr  
between1ms and 5 pMB!I9q  
seconds VK*Dm:G0  
±4% of measuredvalue. K
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Measuredat white image of LED LCD display. U{i xok  
Luminance~150 cd/m2; ( m/ujz  
0.1 fn.KZ  
±0.20% NIgqdEu1
 
4-10 ?+av9;Kg  
1 'L?e)u.  
±0.10% /By:S/[1pL  
10-20 X)oxNxZ[A  
5 &H8wYs  
±0.05% WX .Ax$fT  
20-100 %"-bG'Yc  
>150 "| Oj!&0  
±0.03% !yqez  
20-100 GT.1,E,Vw  
Luminance(Y) F t/yPv  
(samplingmode) 6_|iXs(&
 
1 –15,000 cd/m2 [wU e"{  
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±4% of measuredvalue. f~Y;ZvB  
Measuredat white image of LED LCD display. A0hKzj  
Luminance~150 cd/m2; YTpiOPf  
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±0.20% F+o4f3N  
4-10 /tm2b<G  
5 GuK3EM*_  
±0.10% `%QXaKO-  
10-20 Q^\m@7O :  
20 #($~e|  
±0.05% y0vJ@ %`  
20-100 'Qdea$o  
>150 b@QCdi,u  
±0.03% ) >;7"v  
20-100 U!d|5W.{Q  
Flicker n%|og^\0  
(ContrastMethod) 'tT
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1-15,000cd/m2 Tp46K\}Uf  
±1% WwsH7X)  
Flickerfrequency:30Hz AC/DC 10% sine wave @   ^H"o=K8=  
10Cd/m u9nJ;:  
2 wE[gp+X~  
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Flicker J':X$>
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(JEITAmethod) JBhM*-t(M1  
1-15,000cd/m2 x~Y{ {  
±1dB Ez8k.]q
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Flickerfrequency:30Hz AC/DC 10% sine wave @ kEgpF{"%n  
10Cd/m rp9?p%  
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