提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 |&nS|2.'  
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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。 <8i//HOE  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： 4qbBc1,7y  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). 4*#18<u5  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). \fr~
  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   B=T'5&  
Triggerinput and output for in line applications. |t&>5HM  
Windows,Linux, OSX and embedded systems compatible. S_4?K)n #  
SCPIcommand interface for easy integration in other applications. Ugt/rf5n  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. VUGmi]qd  
USBTMCstandard compliant. $}q23  
Integrating-or sampling mode available f#"J]p  
3 gainstages for every mode 9r<J"%*Q  
Auto-rangefunction   T_ <@..C  
Usercalibration function and pre-programmed calibration values   qzLP
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Opticalsystem   Uh4%}-;  
Optics Jk11fn;\>  
10mmapperture lens 3`|@H-c9  
Acceptanceangle &|ex`nwc0  
5(±2.5) degrees. Al^d$FaF  
Spotsize @ 50mm o5O#vW2Il&  
12mm "'.UU$]d  
Spotsize @ 75mm 7\[@m3s  
15.5mm ;_I8^?d  
Spotsize @ 100mm 2'\H\|  
19mm oj<gD  
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Samplemode - signal frequency response   cN6X#D
 
Parameter uc\Kg1{  
f3db(1) 7~p@0)''  
Gain 1 E\EsWb  
DC –20 kHz OU.6bmWy|  
Gain 2 aEWWP]  
DC –50 kHz P%VSAh\|n  
Gain 3 }W8;=$jr  
DC –120 kHz nYSiS}?S.  
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Measurementspecification 3m)0z{n  
Parameter gp?uHKsM  
Range 6OIte-c  
Accuracy EU;9*W<  
Lightlevel [cd/m Fb>?1
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2 `?
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]       Repeatability (2)     Speed [samples/sec] (2) (D&3G;0tK  
Luminance(Y) P=Jo+4O  
(integratingmode) yYYSeH  
0.005– 15,000 cd/m2 ncdKj}  
integrationtime U&OJXJdj  
between1ms and 5 Bahm]2  
seconds pRpBhm;iJ  
±4% of measuredvalue. hH3RP{'=  
Measuredat white image of LED LCD display. ^|(LAjet  
Luminance~150 cd/m2; #L;dI@7C  
0.1 N!=v4f  
±0.20% ]|ag  
4-10 4f@rv^f(X  
1 uyWunpT  
±0.10% O+]ZyHnB  
10-20 #A/  
5 >T-u~i$s  
±0.05% "m8^zg hL  
20-100 6l x>>J!H  
>150 :\c ^*K(9  
±0.03% ]:-mbgW  
20-100 o#Dk& cH  
Luminance(Y) 6;d*r$0Fc  
(samplingmode) lgy<?LI\  
1 –15,000 cd/m2 u4?L 67x  
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±4% of measuredvalue. #p&qUw  
Measuredat white image of LED LCD display. BwpqNQN  
Luminance~150 cd/m2; .!3|&V'<  
1  4e7-0}0  
±0.20% Bm<`n;m  
4-10 \?-<4Bc@  
5 V)k4:H  
±0.10% o5PO=AN  
10-20 .2t4tb(SUw  
20 8kIks
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±0.05% GL}]y -f  
20-100 3;9^  
>150 +TL%-On  
±0.03% JPHL#sKyz  
20-100 ~G&dqw/.-U  
Flicker Dml;#'IF3  
(ContrastMethod) C.-,^+t;g  
1-15,000cd/m2 EME|k{W  
±1% _N cR)2  
Flickerfrequency:30Hz AC/DC 10% sine wave @   RbnVL$c  
10Cd/m qInR1r<  
2 t{9GVLZ  
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V f&zL Sgr  
Flicker c)85=T6*aA  
(JEITAmethod) %wy.TN  
1-15,000cd/m2 T'9'G M  
±1dB :3Ox~o  
Flickerfrequency:30Hz AC/DC 10% sine wave @ $a]`nLUa  
10Cd/m 1CZgb  
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