提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 )KcY<K  
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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。 smat6p[  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： !&5B&w{u~!  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). Sbjc8V ut  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). _QiGrC  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   CC XOxd  
Triggerinput and output for in line applications. Ls{]ohP  
Windows,Linux, OSX and embedded systems compatible. #E@X'jwu  
SCPIcommand interface for easy integration in other applications. K#a_7/!v/  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. JVh/<A  
USBTMCstandard compliant. c}D>.x|]  
Integrating-or sampling mode available &|c] U/_w  
3 gainstages for every mode `;z;=A*  
Auto-rangefunction   xqzB=0  
Usercalibration function and pre-programmed calibration values   9~yp=JOV@  
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Opticalsystem   yI8 /m|  
Optics Rmh u"N/q  
10mmapperture lens -k}&{v  
Acceptanceangle I8LoXY  
5(±2.5) degrees. f}{Oj-:"CC  
Spotsize @ 50mm -ZBSkyMGy  
12mm ?CZ*MMV  
Spotsize @ 75mm Pc=:j(  
15.5mm l#;o^H i  
Spotsize @ 100mm *","u;&  
19mm +V/mV7FK  
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Samplemode - signal frequency response   <R8!f
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Parameter l&
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f3db(1) f<P>IE  
Gain 1 Tg/rV5@ka  
DC –20 kHz W0KSLxM  
Gain 2 s78V\Vw3  
DC –50 kHz z|sR `
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Gain 3 zq4)Uab*  
DC –120 kHz fg~9{1B
 
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Measurementspecification D8wZC'7  
Parameter BxHfL8$1[$  
Range Wup%.yT~Ds  
Accuracy aXyg`CDv  
Lightlevel [cd/m :qO)^~x  
2 I=o/1:[-  
]       Repeatability (2)     Speed [samples/sec] (2) Dv-ubki  
Luminance(Y) c9axzg UA  
(integratingmode) y2NVx!?n  
0.005– 15,000 cd/m2 KfMaVU=4P  
integrationtime =YeI,KbA)  
between1ms and 5 cO/.(KBF  
seconds _-bEnF+/0  
±4% of measuredvalue. 9$e6?<`(Y  
Measuredat white image of LED LCD display. "uHU!)J#z  
Luminance~150 cd/m2; 4-{f$Z@  
0.1 _33YgO  
±0.20% Y<9Lqc.i  
4-10 =%$BFg1a(  
1 \z)` pno  
±0.10% 7="I;  
10-20 iXFN|ml  
5 Ikj_ 0/%F  
±0.05% e8$OV4X  
20-100 _0=$ 2Y^  
>150 u4;#~##  
±0.03% %[7<GcWl  
20-100 R|O."&CAB  
Luminance(Y) Wf!<Qot|R#  
(samplingmode) X1;ljX  
1 –15,000 cd/m2 Z*Jp?[##  
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±4% of measuredvalue. {\zB'SNq  
Measuredat white image of LED LCD display. x\2N @*I:  
Luminance~150 cd/m2; aO>Nev  
1 osW"b"_f  
±0.20% vqnFyd  
4-10 S#l6=zI7^R  
5 e x`mu E  
±0.10% 6I,4 6 XZ-  
10-20 /6a617?9J  
20 @F%_{6h  
±0.05% /E0/)@pDq  
20-100 2%zJI"Ic  
>150 Ve\=By-a|  
±0.03% Z=\wI:TY1  
20-100 :OvTZ ?\  
Flicker  {]=oOy1  
(ContrastMethod) Zfub+A  
1-15,000cd/m2 1>e%(k2w%  
±1% v05B7^1@_  
Flickerfrequency:30Hz AC/DC 10% sine wave @   
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10Cd/m ?v$kq}Rg  
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Flicker N J_#;t#j  
(JEITAmethod) (S4[,Sx6E  
1-15,000cd/m2 C.}Vm};M  
±1dB qD/X
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Flickerfrequency:30Hz AC/DC 10% sine wave @ E3<~C(APW  
10Cd/m 2or!v^^u  
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