提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 NO0[`jy(  
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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。 D6pEQdX`  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： ?(`nBlWQ5  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function).
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Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). nKZRq&~^E  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   D@YM}HXuj  
Triggerinput and output for in line applications. V,"AG  
Windows,Linux, OSX and embedded systems compatible. FZ}C;yUPD  
SCPIcommand interface for easy integration in other applications. $fU/9jTa  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. R- ?0k:  
USBTMCstandard compliant. J^<j=a|D  
Integrating-or sampling mode available ;4O;74`Zh  
3 gainstages for every mode `rOe5Zp$  
Auto-rangefunction   c_DB^M!h  
Usercalibration function and pre-programmed calibration values   W4] 0qp`\  
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Opticalsystem   Ff1M~MhG  
Optics cbg3bi  
10mmapperture lens :,J86#S)  
Acceptanceangle ;jY'z5PH5  
5(±2.5) degrees. ={&TeMMA  
Spotsize @ 50mm hc4`'r;  
12mm ZPG8q  
Spotsize @ 75mm ud~VQXZo  
15.5mm 0,
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Spotsize @ 100mm A`r$fCt1Vi  
19mm (WU~e!}  
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Samplemode - signal frequency response   S)AE  
Parameter N?u2,h-  
f3db(1) *b7 ^s,?  
Gain 1 <?`e9o  
DC –20 kHz #ui%=ja[:~  
Gain 2 uJAB)ti2I  
DC –50 kHz khO<Z^wi[  
Gain 3 4VL!U?dk  
DC –120 kHz a1Y_0  
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Measurementspecification U:\oGa84A  
Parameter eB1eUK>  
Range I^C
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Accuracy \2VZkVO9  
Lightlevel [cd/m
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]       Repeatability (2)     Speed [samples/sec] (2) EPUJa~4  
Luminance(Y) 6`PGV+3j  
(integratingmode) MrygEC 5  
0.005– 15,000 cd/m2 y`P7LC  
integrationtime fqp7a1qQl  
between1ms and 5 vXWESy  
seconds K|' ]Hje\  
±4% of measuredvalue.
98%a)s)(a  
Measuredat white image of LED LCD display. AXv3jH,HF  
Luminance~150 cd/m2; ^`C*";8Q  
0.1 ki/Lf4  
±0.20% N`mC_)  
4-10 9$w)_RX9W  
1 -T="Ml&  
±0.10% xVmUmftD  
10-20
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5 q|Tk+JH{5  
±0.05% ,2L,>?r6  
20-100 9~ .BH;ku  
>150 B 0fo[Ev  
±0.03% ^L2Zo'y [  
20-100 :.
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Luminance(Y) o~z.7q  
(samplingmode) dL
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1 –15,000 cd/m2 kJ:5msKwC  
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±4% of measuredvalue. {>qrf:  
Measuredat white image of LED LCD display. u=N;P  
Luminance~150 cd/m2; Hrc
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1 \VzQ1B>k  
±0.20% L?5t<`#lw  
4-10 fwGz00C/U  
5 cN(QTbyl6Q  
±0.10% \fGYJ37  
10-20 X!'Xx8  
20 NomK(%8m$  
±0.05% S)1:*>@  
20-100 Vf2!0  
>150 ntUVh
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±0.03% Tu
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20-100 O&1p2!Bk4  
Flicker ]7ZC>.t  
(ContrastMethod) .oOt(K+  
1-15,000cd/m2 R(#;yn  
±1% nFOG=>c}  
Flickerfrequency:30Hz AC/DC 10% sine wave @   mTu9'/$(  
10Cd/m m=b+V#4i(  
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Flicker V'#u_`x"D)  
(JEITAmethod) E&=?\KM  
1-15,000cd/m2 -x5
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±1dB 'r3}=z4Y  
Flickerfrequency:30Hz AC/DC 10% sine wave @ r]vBr^kq  
10Cd/m %bETr"Xom  
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