提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 4/~x+tdc  
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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。 ^85Eveu  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： Ik^^8@z  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). w^Y/J4 I0  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). [hSJ)IZh  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   h#Z["BG  
Triggerinput and output for in line applications. aC`>~uX##V  
Windows,Linux, OSX and embedded systems compatible. VIdKe&,  
SCPIcommand interface for easy integration in other applications. i[9yu-  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. jUM'f24  
USBTMCstandard compliant. ;>mM9^Jaf
 
Integrating-or sampling mode available l#enbQ`-~  
3 gainstages for every mode H2%Qu<Kg2  
Auto-rangefunction   Hg
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Usercalibration function and pre-programmed calibration values   ?'0!>EjY"  
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Opticalsystem   Fn.JtIu  
Optics vY_[@y  
10mmapperture lens h_?`ESI~  
Acceptanceangle 2c]"*Pb  
5(±2.5) degrees. s>o#Ob@4'  
Spotsize @ 50mm oaqH@`  
12mm
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Spotsize @ 75mm BL 1KM2]  
15.5mm *Z"`g %,;  
Spotsize @ 100mm AC1RP`c  
19mm BJwuN  
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Samplemode - signal frequency response   <~
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Parameter I+H~ 5zq.  
f3db(1) iOg4(SPci  
Gain 1 "W"^0To  
DC –20 kHz 3!l>\#q6  
Gain 2 fY9+m}$S$  
DC –50 kHz 0\:=KIY.  
Gain 3 }qso} WI  
DC –120 kHz _l9

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Measurementspecification }q
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Parameter P4Pc;8T@!  
Range ^+D/59I  
Accuracy 4+q,[m-$(  
Lightlevel [cd/m A .&c>{B7  
2 =KHb0d |.  
]       Repeatability (2)     Speed [samples/sec] (2) Cd)g8
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Luminance(Y) j%s,%#al  
(integratingmode) N_K9H1r  
0.005– 15,000 cd/m2 F}So=Jz9h  
integrationtime DW
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between1ms and 5 f;^ +q-Q  
seconds nDdY~f.B  
±4% of measuredvalue. je^VJ&ac  
Measuredat white image of LED LCD display. :|s;2Y  
Luminance~150 cd/m2; G^t)^iI"'  
0.1 56z>/`=  
±0.20% kMCP .D45;  
4-10 Zq85q  
1 cxs@ph&Wk  
±0.10% R 9`[C  
10-20 `{!A1xK
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5 L@GICW~  
±0.05% ?YR;o4  
20-100 B-N//ef}  
>150 C/Q20  
±0.03% (.P}>$M9  
20-100 (G>su  
Luminance(Y) \JM6zR^Ef  
(samplingmode) e2c'Wab  
1 –15,000 cd/m2 ]|g2V a~-  
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±4% of measuredvalue. tcj"rV{G  
Measuredat white image of LED LCD display. !6=s{V&r1  
Luminance~150 cd/m2; s 1M-(d Q  
1 "L]v:lg3  
±0.20% !6-t_S  
4-10 w3,KqF  
5 P_3IFHe  
±0.10% $/"Ymm#"\Y  
10-20 n~6$CQ5dF(  
20 DGGySO6=$e  
±0.05% 5%2~/ "  
20-100 y_Lnk=Q ^  
>150 .5; JnJI  
±0.03%  Culv/  
20-100 Z~Q5<A9Jz  
Flicker )q_,V"  
(ContrastMethod) :epBd3f  
1-15,000cd/m2 \@Cz 32wg  
±1% t#P7'9Se8  
Flickerfrequency:30Hz AC/DC 10% sine wave @   #d %v=.1  
10Cd/m B bmw[Qf\  
2 &'12,'8  
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Flicker (nLzWvN  
(JEITAmethod) Fxa{ 9
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1-15,000cd/m2 RjVUm+<  
±1dB }Y7P2W+4?  
Flickerfrequency:30Hz AC/DC 10% sine wave @ E'{:HX  
10Cd/m {D8opepO)  
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