提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 hZU1O  
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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。 8UM0vNk  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： H=<LutnZ  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). ) rpq+~b  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). ^Xs]C|=W  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   %b?uW]j:  
Triggerinput and output for in line applications. 6$RpV'xz  
Windows,Linux, OSX and embedded systems compatible. taDQ65  
SCPIcommand interface for easy integration in other applications. .iT4-  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. [K:29N9~4  
USBTMCstandard compliant. |,sMST%  
Integrating-or sampling mode available y-a|Lu*  
3 gainstages for every mode m\-PU z&C  
Auto-rangefunction   >lLo4M 3  
Usercalibration function and pre-programmed calibration values   &<0ZUI |S3  
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Opticalsystem   9/3;{`+[a  
Optics %{'4. ,  
10mmapperture lens 0*yJ %  
Acceptanceangle 1`l;xw1W  
5(±2.5) degrees. wW5Yw i  
Spotsize @ 50mm I$j|Rq  
12mm xS+rHC  
Spotsize @ 75mm D^?_"wjW  
15.5mm @i1q]0  
Spotsize @ 100mm -nR\,+N  
19mm bEI!Ja  
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Samplemode - signal frequency response   (U9a@1  
Parameter 3U;1D2"AE  
f3db(1) e U;jP]FA  
Gain 1 ?,XC=}  
DC –20 kHz :Q-F9o J  
Gain 2 {Hk/1KG>  
DC –50 kHz 0roCP=;  
Gain 3 u-.L^!k  
DC –120 kHz %\I.DEYH  
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Measurementspecification XTo8,'UaP  
Parameter d)KF3oA  
Range i!,HB|wQ  
Accuracy m =k%,J_  
Lightlevel [cd/m P']Y
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2 =DMbz`t  
]       Repeatability (2)     Speed [samples/sec] (2) C
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Luminance(Y) *s\sa+2al  
(integratingmode) XeU<^ [  
0.005– 15,000 cd/m2 Kz[BB@[  
integrationtime -9-fX(I  
between1ms and 5 <'2u a  
seconds a
5V=!OoMk  
±4% of measuredvalue. .$wLLE^*  
Measuredat white image of LED LCD display. @a(oB.i  
Luminance~150 cd/m2; j@v-|  
0.1 D9o*8h2$  
±0.20% |M E{gy`5  
4-10 o](.368+4  
1 *P xf#X  
±0.10% ~6d5zI4\  
10-20 :hP58 }Q$  
5 } yq  
±0.05% T2|:nC)@  
20-100 _}ele+  
>150 ,sI35I J  
±0.03% ) b:4uK A  
20-100 X9~p4ys9{  
Luminance(Y) =]b9X7}  
(samplingmode) >EIrw$V$  
1 –15,000 cd/m2 v{koKQ'Y()  
v[L[A3`"/  
±4% of measuredvalue. U~/ID  
Measuredat white image of LED LCD display. n7DLJ`ho{  
Luminance~150 cd/m2; 3Gd|YRtk  
1 0N5bPb  
±0.20% $1e pf  
4-10 -*3(a E  
5 +c?ie4   
±0.10% o#}mkE87  
10-20 bQ.nFa']  
20 xJc.pvVPw  
±0.05% 0b++17aV  
20-100 P` ]ps?l  
>150 j_c+.iET  
±0.03% VDn:SGj5  
20-100 S:GTc
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Flicker a_%>CD${t  
(ContrastMethod) UkfA}b^@
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1-15,000cd/m2 Hirr=a3  
±1% ~U%j{8uH  
Flickerfrequency:30Hz AC/DC 10% sine wave @   /7vE>mSY  
10Cd/m O6]u!NqG  
2 (9
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Flicker PWG;&ma  
(JEITAmethod) Wr#~GFg  
1-15,000cd/m2 G?ZC9w]rA  
±1dB zbg+6qs})  
Flickerfrequency:30Hz AC/DC 10% sine wave @ I>hmbBlDv  
10Cd/m b
9#m m  
2 . s-5N\