提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 < 5#}EiT5  
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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。 Oe}6jcb6&  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： p*]nCUs}n  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). +46?+kKt  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). C\p _  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   Ndr4e?Xa,  
Triggerinput and output for in line applications. B":u5_B  
Windows,Linux, OSX and embedded systems compatible. zAdZXa[MRY  
SCPIcommand interface for easy integration in other applications. uPtS.j=  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. Og~3eL[1%C  
USBTMCstandard compliant. 6,;7iA]  
Integrating-or sampling mode available >0qe*4n|M  
3 gainstages for every mode ]pP [0S  
Auto-rangefunction   lVQy {`Ns  
Usercalibration function and pre-programmed calibration values   vS'5Lm  
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Opticalsystem   " )_-L8  
Optics %t\~3pw=  
10mmapperture lens Y:}!W  
Acceptanceangle "kT?9&  
5(±2.5) degrees. EAM2t|MG.  
Spotsize @ 50mm fbK`A?5K
 
12mm *(sFr E  
Spotsize @ 75mm ..hD_k  
15.5mm w>ap8>
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Spotsize @ 100mm 1Qz1 Ehz>  
19mm )w++cC4/5  
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Samplemode - signal frequency response   3A.T_mGCs  
Parameter OJF41Z  
f3db(1) !%4&O  
Gain 1 ESAFsJ$r;  
DC –20 kHz R3=]Av46  
Gain 2 VD
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DC –50 kHz Iib39?D W  
Gain 3 'u{DFMB-A  
DC –120 kHz V,CVMbn/%N  
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Measurementspecification |}>;wZ[7  
Parameter oCftI':@  
Range wO {-qrN  
Accuracy V;#bcr=Z<J  
Lightlevel [cd/m +kK6G#c  
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]       Repeatability (2)     Speed [samples/sec] (2) x:O;Z~ |.  
Luminance(Y) evBr{oi@  
(integratingmode) +(|6Wv  
0.005– 15,000 cd/m2
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integrationtime L'?0*t  
between1ms and 5 CAl]Kpc  
seconds z_LN*u  
±4% of measuredvalue. b:w {7  
Measuredat white image of LED LCD display. 7#BUd/  
Luminance~150 cd/m2; y`OL^D4  
0.1 .\X;VWTI  
±0.20% D8''q%  
4-10 }QqmDK.  
1 ?A4t &4  
±0.10% LiF(#OuZ  
10-20 Y([YDn  
5 xrPC  
±0.05% |Vs?yW  
20-100 |NZVm}T  
>150 =7U_ jDME  
±0.03% j%qBNoT~  
20-100 ?{ 0MF  
Luminance(Y) WI$MT6  
(samplingmode) *=X$j~#X  
1 –15,000 cd/m2 (haYY]W\  
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±4% of measuredvalue. &~xzp^&  
Measuredat white image of LED LCD display. @N-P[.qL"  
Luminance~150 cd/m2; RN%*3{-  
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±0.20% >;A7mi/  
4-10 kCu"G  
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±0.10% `]8z]PD  
10-20 a\Ond#1p
 
20 Oa'DVfw2J  
±0.05% ^atX/  
20-100 A#y,B  
>150 )lo;y~ o  
±0.03% d/k70Ybk  
20-100 |aT&rpt  
Flicker .cV<(J 5o  
(ContrastMethod) ,/=Fm  
1-15,000cd/m2 d,_Ky#K5b  
±1%
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Flickerfrequency:30Hz AC/DC 10% sine wave @   (0=e ,1 n  
10Cd/m  jx3J$5  
2 M%
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Flicker mct$.{~  
(JEITAmethod) P)2.Gx/  
1-15,000cd/m2 hw@ `Q@  
±1dB ^rmcyy8;g  
Flickerfrequency:30Hz AC/DC 10% sine wave @ .<<RI8A  
10Cd/m D[7+xAwS  
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