提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 A|]#b?-  
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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。 hSXJDT2  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： @HSK[[?  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). Qca3{|r`  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). Fq!_VF^r  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.    ^u#iz  
Triggerinput and output for in line applications. {IvA 5^  
Windows,Linux, OSX and embedded systems compatible. !f&hVLs0  
SCPIcommand interface for easy integration in other applications. ,c0LRO  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. uFb 9Ic]`  
USBTMCstandard compliant. U 8p %MFD  
Integrating-or sampling mode available ]h&1|j1  
3 gainstages for every mode jN'h/\  
Auto-rangefunction   WC37=8mA  
Usercalibration function and pre-programmed calibration values   $-~"G,;F  
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Opticalsystem   }@ktAt  
Optics W}2!~ep!  
10mmapperture lens f[.'V1  
Acceptanceangle -meY[!"X  
5(±2.5) degrees. ^W9O_5\g4a  
Spotsize @ 50mm diVg|Z3T  
12mm L;y BZLM  
Spotsize @ 75mm _Y/*e<bU  
15.5mm $$W2{vr7+  
Spotsize @ 100mm ~tV7yY|zr  
19mm 'RF`XX  
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Samplemode - signal frequency response   GA/afc,V  
Parameter o1?-+P/  
f3db(1) ?*yB&(a:8  
Gain 1 q86}'dFw{  
DC –20 kHz c3ru
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Gain 2 *)`PY4zF  
DC –50 kHz tPN CdA  
Gain 3 u*W! !(P/  
DC –120 kHz rFkZ'rp74b  
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Measurementspecification ~k?wnw
 
Parameter `Mbs6AJ  
Range X%&7-P
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Accuracy #gT"G1
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Lightlevel [cd/m )ZBNw{nh  
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]       Repeatability (2)     Speed [samples/sec] (2) zS|4@t\__  
Luminance(Y) -K(d]-yv  
(integratingmode) ~m,~;  
0.005– 15,000 cd/m2 s3yGL  
integrationtime L-S5@;"  
between1ms and 5 Z!^>!'Z  
seconds )!cucY  
±4% of measuredvalue. =3A4.nW  
Measuredat white image of LED LCD display. ~Dz:n]Vk/  
Luminance~150 cd/m2; L-rV+?i`6f  
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±0.20% `H>&dK|/  
4-10 0vX6n6G}  
1 o@_i&4[MW  
±0.10% QA;,/iw`  
10-20 frW\!r{LT  
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±0.05% QKx(S=4jQ  
20-100 (VI(Nv:o@  
>150 rl~Rb
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±0.03% xgj'um  
20-100 DNqV]N_W  
Luminance(Y) -3~S{)  
(samplingmode) =q)+_@24>d  
1 –15,000 cd/m2 f(eXny@Y  
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±4% of measuredvalue. +J;b3UE#  
Measuredat white image of LED LCD display. 3`vKEThY)  
Luminance~150 cd/m2; T,uF^%$@AQ  
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±0.20% <YEKbnw$o  
4-10 @lWNSf  
5 ("j;VqYUL  
±0.10% E<u(Yw6=  
10-20 B[EOz\?
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20 Qt{V&Z7  
±0.05% Qbjm,>H/^  
20-100 Z:>3AJuS_  
>150 Bw!J!cCj  
±0.03% IAMa  
20-100 7kA+F+f  
Flicker *y7Yf7  
(ContrastMethod) bV2a2#kj  
1-15,000cd/m2 K0C"s'q  
±1% 3fpaTue|x  
Flickerfrequency:30Hz AC/DC 10% sine wave @   xg^%8Ls^  
10Cd/m MZf?48"f  
2 .E+O,@?<  
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Flicker cr]b
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(JEITAmethod) A-3^~aEgx  
1-15,000cd/m2 5{+2#-  
±1dB >@cBDS<6R  
Flickerfrequency:30Hz AC/DC 10% sine wave @ KaOXqFT=  
10Cd/m fK]%*i_"  
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