提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 [J3;U6  
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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。 "YZ`g}sG  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： 7 #N @B  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). uuB\~ #?T  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). Z;:-8 HPDY  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   B~rK3BS  
Triggerinput and output for in line applications. ha5\T'  
Windows,Linux, OSX and embedded systems compatible. >?KyPp  
SCPIcommand interface for easy integration in other applications. R4;6Oi)  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. D bJ(N h  
USBTMCstandard compliant. }OFk.6{{&v  
Integrating-or sampling mode available `^[ra%
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3 gainstages for every mode &aOOG8l  
Auto-rangefunction   &jcr7{cD  
Usercalibration function and pre-programmed calibration values   f*Bc`+G  
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Opticalsystem   /[M~##%:  
Optics &I=q%  
10mmapperture lens E{J
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Acceptanceangle c,^-nH'X>  
5(±2.5) degrees. 3u<2~!sR  
Spotsize @ 50mm ?9"glzxr  
12mm @P?*<b{  
Spotsize @ 75mm &s5*akG  
15.5mm fBmx +7  
Spotsize @ 100mm kE}?"<l  
19mm ^ z;pP  
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Samplemode - signal frequency response   S"l&=J2dc  
Parameter lki(_@3  
f3db(1) " B1' K8  
Gain 1 ]g :ZokU  
DC –20 kHz KAZz)7  
Gain 2 $fKWB5p|()  
DC –50 kHz :&MiO3#+  
Gain 3 paY%pU  
DC –120 kHz >e%Po,Fg$  
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Measurementspecification uJizR F  
Parameter CAO$Zt  
Range k?,g:[4!  
Accuracy whshjl?a  
Lightlevel [cd/m 1mqFnVkf&+  
2 ,ic}   
]       Repeatability (2)     Speed [samples/sec] (2) ,7aqrg  
Luminance(Y) #@G2n@Hj  
(integratingmode) NNX/2  
0.005– 15,000 cd/m2 =*pu+o,?  
integrationtime IftPN6(Z  
between1ms and 5 H;8(y4;  
seconds xUYSD  
±4% of measuredvalue. +;T%7j"wz  
Measuredat white image of LED LCD display. ^H'#*b0u  
Luminance~150 cd/m2; a%kj)ah  
0.1 +e\u4k{3V  
±0.20% w jF\>  
4-10 HhO$`YZ%>  
1 O`eNuQSv  
±0.10% 1EN5Z
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10-20 |zf||ju  
5 pR$c<p  
±0.05% 1D$k:|pP~  
20-100 eUl[gHP  
>150 ^,3 >}PU  
±0.03% Q]\xO/  
20-100 ;iEqa"gO  
Luminance(Y) =o {`vv  
(samplingmode) "3K0 wR5  
1 –15,000 cd/m2 -M4#dHR_!  
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±4% of measuredvalue. 7W*OyH^  
Measuredat white image of LED LCD display. >v(Xc/oI
 
Luminance~150 cd/m2; uBM1;9h  
1 N4Ym[l  
±0.20% -Bc.<pFqp  
4-10 [4gv_g  
5 9X-DR  
±0.10% _T1e##Sq,  
10-20 ?FLjvmE9  
20 ',.Xn`c  
±0.05% @`T6\ 1  
20-100 ~=71){4A  
>150 `hbM2cM  
±0.03% U|>Js!$  
20-100 W uQdz&s>  
Flicker _*+M'3&=  
(ContrastMethod) Xd4~N:  
1-15,000cd/m2 tlW}lN}  
±1% uJ%ql5XDV  
Flickerfrequency:30Hz AC/DC 10% sine wave @   }"szL=s  
10Cd/m (Lc%G~{  
2 cD 1p5U  
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Flicker F/&&VSv>LO  
(JEITAmethod) KMZ% 1=a  
1-15,000cd/m2 n9#@ e}r  
±1dB Q<M>+U;t  
Flickerfrequency:30Hz AC/DC 10% sine wave @ )t|M)zJ  
10Cd/m Mqna0"IYx*  
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