提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 @Lm(bW  
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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。 ?:RWHe.P  
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图片:Asteria-2.gif

图片:Asteria.gif


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Asteria亮度计的特性： E^m2:J]G  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). 75']fFO@!  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). W1UqvaR  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   ?qtL*;  
Triggerinput and output for in line applications. hx@E,  
Windows,Linux, OSX and embedded systems compatible. p2m`pT  
SCPIcommand interface for easy integration in other applications. <*$IZl6I  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. 4eS(dPI0  
USBTMCstandard compliant. 2>inyn)S  
Integrating-or sampling mode available Y-*]6:{E  
3 gainstages for every mode m pM,&7}  
Auto-rangefunction   4&E&{<;  
Usercalibration function and pre-programmed calibration values   2iWxx:e  
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Opticalsystem   [b@9V
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Optics P Z+Rz1x  
10mmapperture lens %>:d5"&Lbs  
Acceptanceangle k#/%#rQM  
5(±2.5) degrees. j}$Q`7-wB1  
Spotsize @ 50mm xA"7a  
12mm M'ZA(LVp  
Spotsize @ 75mm 5> =Ia@I   
15.5mm irzWk3@:  
Spotsize @ 100mm JA^Y:@<{/  
19mm [moz{Y  
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Samplemode - signal frequency response   /;rk-I  
Parameter ZCCwx71
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f3db(1) ?rv5Z^D'  
Gain 1 &V7{J9  
DC –20 kHz J"]P"`/  
Gain 2 ~
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DC –50 kHz uVV;"LVK~  
Gain 3 rfc;   
DC –120 kHz 4w0Y(y  
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Measurementspecification m=%WA5c?  
Parameter u6u1>  
Range ,;-55|o\V  
Accuracy -<WQ>mrB&  
Lightlevel [cd/m (8OaXif  
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]       Repeatability (2)     Speed [samples/sec] (2) <YBA 7i  
Luminance(Y) JGKiVBN  
(integratingmode) -!z,t7!  
0.005– 15,000 cd/m2 06S-3bis  
integrationtime [1gWc`#  
between1ms and 5 xQ7-4N,  
seconds 'Ijjk`d&c  
±4% of measuredvalue. YDr/Cw>J  
Measuredat white image of LED LCD display. Z2u5n`K  
Luminance~150 cd/m2; g{?]a'?  
0.1 ~Fd<d[b?  
±0.20% jB!Q8#&Q  
4-10 !|gln)
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1 GT} =(sD L  
±0.10% +gQoYlso  
10-20 Jd>"g9  
5 6P KH%  
±0.05% }^ j"@{~  
20-100 @.Pe.\Z  
>150 Q>}*l|Ci  
±0.03% @ \(*pa  
20-100 Ju"*>66  
Luminance(Y) amK.H"  
(samplingmode) i-4pdK u  
1 –15,000 cd/m2 GY%48}7  
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±4% of measuredvalue. }+8w  
Measuredat white image of LED LCD display. H,H=y},  
Luminance~150 cd/m2; [LJ1wBMw  
1 {]w@s7E  
±0.20% jI(}CT`g  
4-10 n-7|{1U  
5 ^gpswhp 5  
±0.10% w1+xl
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10-20 sKT GZA  
20 _pv<_ Sm  
±0.05% [9E<z2H  
20-100 wv8WqYV  
>150 ta-kqt!'  
±0.03% hC[MYAaF  
20-100 (Wu_RXfCw_  
Flicker Dog Tj  
(ContrastMethod) 4M&6q(389  
1-15,000cd/m2 ):lq}6J#  
±1% 9_mys}+  
Flickerfrequency:30Hz AC/DC 10% sine wave @   <-:gaA`KM  
10Cd/m d?)
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2 ?
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Flicker nZbfc;da  
(JEITAmethod) )h0F'MzW  
1-15,000cd/m2 %hzl3>().  
±1dB ~97T0{E3  
Flickerfrequency:30Hz AC/DC 10% sine wave @ `eat7O  
10Cd/m {VPF2JFB[  
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