提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 6aHD?a o  
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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。 /je $+  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： 3#dz6+  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). <Z.{q Zd  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). I=<Qpd4  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   jn(!6\n"  
Triggerinput and output for in line applications. 8zlvzp  
Windows,Linux, OSX and embedded systems compatible. 
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SCPIcommand interface for easy integration in other applications. zaLPPm&f  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. j3`Ya
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USBTMCstandard compliant. }d>.Nj#zh  
Integrating-or sampling mode available +L.D3  
3 gainstages for every mode FJCORa@?_  
Auto-rangefunction   &QW&K  
Usercalibration function and pre-programmed calibration values   cHT\sJo`l  
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Opticalsystem   &p_iAMn:9  
Optics \~+b&  
10mmapperture lens oe|;>0yf  
Acceptanceangle )R'%SLw  
5(±2.5) degrees. 'Q:%s  
Spotsize @ 50mm ty"L&$bf  
12mm jXALL8[c  
Spotsize @ 75mm -qaO$M^Q  
15.5mm ]cS(2hP7  
Spotsize @ 100mm a:UkVK]MP  
19mm =p=/@FN  
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Samplemode - signal frequency response   FGyrDRDwC  
Parameter VV}"zc^  
f3db(1) "T^%HPif  
Gain 1 }[UH1+`L  
DC –20 kHz ]u$tKC  
Gain 2 .xmB8 R  
DC –50 kHz Db*b"/]  
Gain 3 (}>)X]  
DC –120 kHz _/}$X"4  
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Measurementspecification %$Py@g  
Parameter }s@IQay+  
Range =P9rOK=  
Accuracy O-W[^r2e  
Lightlevel [cd/m 
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2 !^98o:"x  
]       Repeatability (2)     Speed [samples/sec] (2) [hg9 0Q6  
Luminance(Y) lemV&$WN|  
(integratingmode) %r.C9  
0.005– 15,000 cd/m2 2}/r>]9^-  
integrationtime >#;;g2UV  
between1ms and 5 c!wRq4  
seconds ~J+ qIZge  
±4% of measuredvalue. VBDb K|  
Measuredat white image of LED LCD display. C6a
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Luminance~150 cd/m2; DBcR1c&<H  
0.1 XP}5i!}}7=  
±0.20% dz/fSA  
4-10 >yT1oD0+x  
1 SnXM`v,  
±0.10% Gsy>"T{CY  
10-20 SIR2 Kc0  
5 ~'0n ]Fw  
±0.05% z(^dwMw}  
20-100 "a'I^B/  
>150 SC2LY  
±0.03% Viw,YkC  
20-100 1pDU}rPJ.  
Luminance(Y) P{`fav  
(samplingmode) # .(f7~  
1 –15,000 cd/m2 H\<0{#F  
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±4% of measuredvalue. dQ-g\]d|  
Measuredat white image of LED LCD display. 2|RoN)%  
Luminance~150 cd/m2; Sw-2vnSdM  
1 <_eEpG}9  
±0.20% 0k?]~f  
4-10 XfMUodV-OZ  
5 e<`?$tZ3
 
±0.10% 'w72i/  
10-20 ZTfW_0   
20 V62lN<M  
±0.05% jR\!2!  
20-100 _1$
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>150 }u0&>k|y  
±0.03% ,d_rK\J  
20-100 tlvZy+Blv  
Flicker 'IIa,']H  
(ContrastMethod) =1|p$@L`%  
1-15,000cd/m2 [`tNa Vg  
±1% o::9M_;  
Flickerfrequency:30Hz AC/DC 10% sine wave @   f!5w+6(  
10Cd/m zlQBBm;fE  
2 |G6'GTwZD  
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Flicker .T(vGiU  
(JEITAmethod) -p7 HQ/  
1-15,000cd/m2 ?^7X2 u$nm  
±1dB N z=P1&G'  
Flickerfrequency:30Hz AC/DC 10% sine wave @ 46\!W(O~y  
10Cd/m \/Q~C!  
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