提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 UQ])QTrZFi  
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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。 `)M\(_  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： 1[g!^5W  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). umZ g}|C_  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). &d3'{~:  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   u;ooDIq@  
Triggerinput and output for in line applications. 8t:&#h  
Windows,Linux, OSX and embedded systems compatible. ^@lg5d3F  
SCPIcommand interface for easy integration in other applications. a {$k<@Ww  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. `W$0T;MPF  
USBTMCstandard compliant. ]!G>8Rc  
Integrating-or sampling mode available .4re0:V  
3 gainstages for every mode G
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Auto-rangefunction   ZQ' z  
Usercalibration function and pre-programmed calibration values   ZHD0u)ri=J  
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Opticalsystem   J*~2:{=%  
Optics G<-9U}~76  
10mmapperture lens maUHjI 5A-  
Acceptanceangle ^x"c0R^  
5(±2.5) degrees. NU&^7[!yl  
Spotsize @ 50mm 4B8Se  
12mm hf+/kc!>i  
Spotsize @ 75mm g;#KB
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15.5mm M|5]
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Spotsize @ 100mm h3]@M$Y[  
19mm eIUuq&(  
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Samplemode - signal frequency response   AK s39U'  
Parameter M`+e'vdw  
f3db(1) B?lBO V4v4  
Gain 1 7hF,gl5  
DC –20 kHz 0I>?_?~l6  
Gain 2 Fwx~ ~"I  
DC –50 kHz 2VV[*QI  
Gain 3 HEB/\  
DC –120 kHz (\mulj  
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Measurementspecification 2^^'t6@  
Parameter j`|^s}8t  
Range q?Ku}eID3  
Accuracy 2Z;`#{  
Lightlevel [cd/m *0&4mi8  
2 h%1~v$W`  
]       Repeatability (2)     Speed [samples/sec] (2) ]o[X+;Tj|  
Luminance(Y) IglJEH[+  
(integratingmode) )`s;~_ZZ  
0.005– 15,000 cd/m2 gN, k/U8  
integrationtime TvWU[=4Yk  
between1ms and 5 ?zhI=1ED%  
seconds z>mZT.  
±4% of measuredvalue. *qO]v9 j  
Measuredat white image of LED LCD display. o,CA;_  
Luminance~150 cd/m2; h8#5vO2  
0.1 W7TXI~7  
±0.20% ,a9D~i 9R  
4-10 esh$*)1  
1 T@Ss&eGT2  
±0.10% YHO;IQ5  
10-20 ovQS ET18b  
5 ~}$\B^z+  
±0.05% 9QC"Od9H  
20-100 |C$:]MZx  
>150 % U
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±0.03% JtYYT/PB  
20-100 9
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Luminance(Y) SaR}\Up  
(samplingmode) |{7e#ww]  
1 –15,000 cd/m2 V~J*49t&2J  
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±4% of measuredvalue. #aitESbT  
Measuredat white image of LED LCD display. q,;".3VQ  
Luminance~150 cd/m2; k1f3?l vlU  
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±0.20% [}A_uOGEP  
4-10 x1m8~F  
5 Kf05<J!  
±0.10% ?JXBWB4  
10-20 C3 gZ6m  
20 .8T\Nr\~2  
±0.05% Z7/vrME6  
20-100 qa 6=W  
>150 ~@[(N]=q  
±0.03% [^?13xMb  
20-100 :b<-[8d&  
Flicker "xD}6(NL(r  
(ContrastMethod) U;x1}eFT  
1-15,000cd/m2 0(Y%,q  
±1% @9_nwf~X4  
Flickerfrequency:30Hz AC/DC 10% sine wave @   pG,<_N@P  
10Cd/m HCX!P4Hj  
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Flicker \g~ws9'~  
(JEITAmethod) 'v'` F*6  
1-15,000cd/m2 U9<_6Bsd  
±1dB b(q$j/~ zb  
Flickerfrequency:30Hz AC/DC 10% sine wave @ F3r S6_  
10Cd/m %'{V%I
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