提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 -
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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。 keOW{:^i  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： 6ZBD$1$A!  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). bG)MG0<TT  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). B
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Measurehigh and low frequencies at the same time through a high sample rate and largememory size.  
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Triggerinput and output for in line applications. z3]U%y(,  
Windows,Linux, OSX and embedded systems compatible. Ne 4*MwK  
SCPIcommand interface for easy integration in other applications. P{18crC[1  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. /5Loj&!=  
USBTMCstandard compliant. Hw{Y.@)4R  
Integrating-or sampling mode available D,a%Je-r,  
3 gainstages for every mode Z&,}Fgl!F  
Auto-rangefunction   =*jcO119L  
Usercalibration function and pre-programmed calibration values   -e>)yM `i  
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Opticalsystem   u#~!%~  
Optics :8rCCop Uv  
10mmapperture lens _ GSw\r  
Acceptanceangle #cS,5(BM  
5(±2.5) degrees. 9 NQq=@  
Spotsize @ 50mm 9DX3]Z\7X  
12mm n b
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Spotsize @ 75mm G>QTPXcD  
15.5mm B:cOcd?p  
Spotsize @ 100mm lvi:I+VgA  
19mm /MH@>C _  
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Samplemode - signal frequency response   J-F_XKqH  
Parameter ;0}2@Q2@ZK  
f3db(1) ^<0NIu}  
Gain 1 }8 _9V|E  
DC –20 kHz i&)C,  
Gain 2 PDng!IQ^  
DC –50 kHz 79H+~1Az  
Gain 3 :'~ gLW>j  
DC –120 kHz VAGMI+ -  
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Measurementspecification X:&p9_O@  
Parameter <9a_wGs  
Range ecpUp39\  
Accuracy *J5RueUG  
Lightlevel [cd/m vfJk? (  
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]       Repeatability (2)     Speed [samples/sec] (2) yX3H&F
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Luminance(Y) kTWg31]~  
(integratingmode) c0q)  
0.005– 15,000 cd/m2 sA-W^*+  
integrationtime @;D}=
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between1ms and 5 k=2l9C3Z  
seconds ok%!o+nk.  
±4% of measuredvalue. Q0Qm0B5eY  
Measuredat white image of LED LCD display. ?^ezEpW  
Luminance~150 cd/m2; {))S<_yN  
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±0.20% )+4}Ix/q  
4-10 Juqn X  
1 (!5}" fj  
±0.10% yVQz<tX|  
10-20 Gj8[*3d  
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±0.05% 3
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20-100 J?quYlS  
>150 ~Z6p3# !o  
±0.03% $1zeY6O  
20-100 U4l*;od  
Luminance(Y) =z1o}ga=EA  
(samplingmode) 9$V_=Bo  
1 –15,000 cd/m2 uf'P9MA}>  
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±4% of measuredvalue. " IkF/  
Measuredat white image of LED LCD display. [=ak>>8  
Luminance~150 cd/m2; _JJKbi  
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±0.20% |\n)<r_  
4-10 s8Ry}{  
5 W$Q)aA7  
±0.10% &xuwke:[  
10-20 aU<D$I  
20 Xe3z6  
±0.05% 6(^Upk=59  
20-100 >l< ~Z;  
>150 PT@e),{~o9  
±0.03% Rk jKIa  
20-100 KR+BuL+L  
Flicker JRjMt-7H_  
(ContrastMethod) 9#T%bB"J  
1-15,000cd/m2 &#PBww  
±1% Ms'TC;&PS  
Flickerfrequency:30Hz AC/DC 10% sine wave @   P[I*%  
10Cd/m Z++Z@J"  
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Flicker w^rb|mKo  
(JEITAmethod) 5Jhbf2-  
1-15,000cd/m2 R(?<97  
±1dB _E1]cbIo  
Flickerfrequency:30Hz AC/DC 10% sine wave @ lc3S|4  
10Cd/m W^d4/]  
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