提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计  gt_XAH  
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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。 *J_iXu|  
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Asteria亮度计的特性： 7%9)C[6NSs  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). 7':f_]  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). nMGrG  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   >`89N'lZBm  
Triggerinput and output for in line applications.
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Windows,Linux, OSX and embedded systems compatible. gcg>Gjp  
SCPIcommand interface for easy integration in other applications. =4zNo3IvL+  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. ALd]1a&  
USBTMCstandard compliant. =3|pHc hJ4  
Integrating-or sampling mode available @H\pipT_b  
3 gainstages for every mode a jQqj.  
Auto-rangefunction   S<nP80C  
Usercalibration function and pre-programmed calibration values   K 3Yw8t2J  
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Opticalsystem   b,sGq  
Optics &$qF4B*  
10mmapperture lens kG1;]1tT#  
Acceptanceangle qO-C%p [5  
5(±2.5) degrees. o\ngR\>  
Spotsize @ 50mm ?j/kOD0  
12mm 0e+W/Tq  
Spotsize @ 75mm [?chK^8  
15.5mm Zx+cvQ
  
Spotsize @ 100mm s=d+GMa  
19mm `c"4PU^  
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Samplemode - signal frequency response   AkrTfi4hC  
Parameter 5`{vE4A]q  
f3db(1) '{[!j6wt\  
Gain 1 lC#RNjDp/~  
DC –20 kHz MO[kr2T  
Gain 2 }:`5,b%Y_  
DC –50 kHz bj@xqAGl  
Gain 3 4xm&pQo{V6  
DC –120 kHz 5YiZ-CQ>  
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Measurementspecification 6eQsoKK  
Parameter nr OqH  
Range {A|bBg1!  
Accuracy $$JIBf8  
Lightlevel [cd/m 4`nqAX~'f  
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]       Repeatability (2)     Speed [samples/sec] (2) naz:A  
Luminance(Y) &=6%
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(integratingmode) }A|))Ao
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0.005– 15,000 cd/m2 McjS)4j&.  
integrationtime %3M95UZ2  
between1ms and 5 3bH~';<  
seconds AD]e0_E  
±4% of measuredvalue. 9\v.qo.  
Measuredat white image of LED LCD display. u4YM^* S.  
Luminance~150 cd/m2; k oM]S+1  
0.1 bM"fk&  
±0.20% nbGoJC:U  
4-10 0q{[\51*  
1 3DW3LYo{  
±0.10% 6lsL^]7  
10-20 b,dr+RB  
5 6xarYh(  
±0.05% W,3zL.qH"  
20-100 b^ sb]bZW  
>150 R
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±0.03% 3jF|Ic  
20-100 HA!t$[_Ve  
Luminance(Y) 9? 2  
(samplingmode) EJLQ&oH[  
1 –15,000 cd/m2 UfR~%p>K  
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±4% of measuredvalue. |5,<jyp  
Measuredat white image of LED LCD display. [ ?iqqG.  
Luminance~150 cd/m2; WfG(JJ  
1 Vclr2]eV4O  
±0.20% 3B{[%#vO  
4-10 !\;:36B#6  
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±0.10% )~V}oKk0t  
10-20 :
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20 QR"bYQ  
±0.05% B3mS]  
20-100 )TU<:V  
>150 q[ULGv  
±0.03% >)Gd:636+  
20-100 =g~W%})  
Flicker :)IV!_>'d  
(ContrastMethod) -U-P}6^  
1-15,000cd/m2 MzzKJ;wbC6  
±1% 
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Flickerfrequency:30Hz AC/DC 10% sine wave @   /r^[a,Q#x  
10Cd/m :.uk$jx  
2 aMTFW_w  
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Flicker ,l HLH  
(JEITAmethod) z/7$NxJH  
1-15,000cd/m2 ?NG=8.p  
±1dB qu~X.pW  
Flickerfrequency:30Hz AC/DC 10% sine wave @ ;`(R7X *3  
10Cd/m 6|!NLwa  
2 }`o?/!X