提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 =gHUY&sPu8  
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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。 kNoS% ?1,  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： r tH #j  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). ->2m/d4a  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). Z |<  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   cg^=F
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Triggerinput and output for in line applications. @gk{wh>c  
Windows,Linux, OSX and embedded systems compatible. &[kFl\  
SCPIcommand interface for easy integration in other applications. F87c?Vh)K  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. SEIJ+u9XsA  
USBTMCstandard compliant. I[bWd{i:  
Integrating-or sampling mode available 0+Q;a  
3 gainstages for every mode "8/BVW^bv  
Auto-rangefunction   &S8,-~U  
Usercalibration function and pre-programmed calibration values   [!U! Z'i  
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Opticalsystem   "/
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Optics b&*N
 
10mmapperture lens o`{^ptu1q  
Acceptanceangle !H~PF*,hY  
5(±2.5) degrees. 
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Spotsize @ 50mm ?P(U/DS8  
12mm ~$m:j];  
Spotsize @ 75mm z~#d@c\  
15.5mm ;jFUtG  
Spotsize @ 100mm FA1h!Vit  
19mm
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Samplemode - signal frequency response   g:Ry.=F7W  
Parameter nT=XWM  
f3db(1) S.!K  
Gain 1 =J'&.@Dwz  
DC –20 kHz ,ygDNF  
Gain 2 *&~ '  
DC –50 kHz X08[,P#I  
Gain 3 #&ayWef  
DC –120 kHz eJE!\ucS2W  
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Measurementspecification A}_0iwG  
Parameter ow*^z78M{  
Range b?k6-r$j  
Accuracy p']{WLDj2  
Lightlevel [cd/m j9&x#U  
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]       Repeatability (2)     Speed [samples/sec] (2) JN3&(t  
Luminance(Y) t!o=-k  
(integratingmode)  yHn8t]{  
0.005– 15,000 cd/m2 IgPU^?sp  
integrationtime &<t`EI];)4  
between1ms and 5 :"`1}Q  
seconds q>[}JtXK  
±4% of measuredvalue. 9b)'vr*Hy7  
Measuredat white image of LED LCD display. D;6C2>U~L  
Luminance~150 cd/m2; N'YQ6U  
0.1 fr8hT(,s)  
±0.20% ! l"*DR  
4-10 "s7}eWM*a  
1 aMaqlqf  
±0.10% B !Z~jT  
10-20 AA[?a  
5 p+16*f9,^  
±0.05% CmdPa!4)  
20-100 JY$+<`XM  
>150 LXm@h  
±0.03% R_b)2FU1y  
20-100 :a_MT  
Luminance(Y) vWjHHw  
(samplingmode) Iy Vmz'  
1 –15,000 cd/m2 ;R^=($X  
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±4% of measuredvalue. j){0>O.V  
Measuredat white image of LED LCD display. z;\,
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Luminance~150 cd/m2; Z._%T$8aJv  
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±0.20% a#m T@l\  
4-10 ,$"T/yYer  
5 Y.E]U!i*  
±0.10% =r^Pu|  
10-20 9Rb tFwbn  
20 \{ff7_mLo  
±0.05% VEBvS>i*  
20-100 rDC=rG  
>150 Gg6<4T1  
±0.03% a6hDw'8!  
20-100 LNM#\fb  
Flicker 3<}r+,j  
(ContrastMethod) a~F\2`Q  
1-15,000cd/m2 {r:5\  
±1% F,@uYMQs  
Flickerfrequency:30Hz AC/DC 10% sine wave @   ~>S? m;  
10Cd/m N`+@_.iBX  
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Flicker l42tTD8Awz  
(JEITAmethod) _p0G8  
1-15,000cd/m2 )u.%ycfeV  
±1dB 8!qzG4F/  
Flickerfrequency:30Hz AC/DC 10% sine wave @ 'v_k#%  
10Cd/m XF`?5G~~#  
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