提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 tk?UX7F  
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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。 h=+$>_&:  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： Y7Gs7  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). cf;Ht^M\  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). Y E1Hpeb  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   284zmZZ  
Triggerinput and output for in line applications. j}WByaZ&  
Windows,Linux, OSX and embedded systems compatible. (JZ".En#X  
SCPIcommand interface for easy integration in other applications. %}qbkkZ  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. `a4 $lyZ  
USBTMCstandard compliant. +;gsRhWk  
Integrating-or sampling mode available @.9I3E-=  
3 gainstages for every mode ^ddO&!U  
Auto-rangefunction   TSto9$}*  
Usercalibration function and pre-programmed calibration values   lOerrP6f(  
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Opticalsystem   |nxdB&1n
 
Optics ok0X<MR!I  
10mmapperture lens TQ'E5^  
Acceptanceangle optBA3@e!  
5(±2.5) degrees. j\2[H^   
Spotsize @ 50mm l5J.A@0  
12mm h)dRR_  
Spotsize @ 75mm 2
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15.5mm nX[;^v/  
Spotsize @ 100mm \ P/W8{  
19mm 8z T0_vw  
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Samplemode - signal frequency response   BQ
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Parameter ~j&?/{7I  
f3db(1) *\ECf.7jz  
Gain 1 MCy~@)-IN  
DC –20 kHz <DmTj$  
Gain 2 S+T|a:]\7  
DC –50 kHz -2*>`,Uu  
Gain 3 JAP(|  
DC –120 kHz uqZ3Hyb  
Bc ^4 T1  
Measurementspecification {bkGYx5.C  
Parameter (!</%^ZI  
Range buYDl  
Accuracy Ay$>(;  
Lightlevel [cd/m <GfVMD  
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]       Repeatability (2)     Speed [samples/sec] (2) J(9=T<%T  
Luminance(Y) *cNk>y  
(integratingmode) '
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0.005– 15,000 cd/m2 r{ @
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integrationtime KH}t:m+h  
between1ms and 5 !S,pR
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seconds _*`q(dYcf  
±4% of measuredvalue. ScJu_Af  
Measuredat white image of LED LCD display. hqW$kw  
Luminance~150 cd/m2; r)
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0.1 /'&v4C^y>  
±0.20% e
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4-10 x[Q&k[xV  
1 SIv[9G6  
±0.10% 3o0IjZ=[>  
10-20 X;]3$\F  
5 fsI`DjKi)  
±0.05% A-0m8<  
20-100 _85E=  
>150 3"tg+DncC  
±0.03% 0w}{(P;  
20-100 &kx\W)  
Luminance(Y)
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(samplingmode) (`mOB6j  
1 –15,000 cd/m2 Sf/W9Jw  
cVg$dt  
±4% of measuredvalue. W-XN4:,qI  
Measuredat white image of LED LCD display. *1v_6<;2i<  
Luminance~150 cd/m2; K~JC\a\0  
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±0.20% yu_g
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4-10 7b,AQ9  
5 Gx|Dql  
±0.10% V*uEJ6T  
10-20 b,vL8*  
20 u[J7Y  
±0.05% @`2ozi~lO  
20-100 cJV!>0ua  
>150 4ioNA/E  
±0.03% .m'N7`VB  
20-100 rr4 _8Rf  
Flicker U\;Ml
 
(ContrastMethod) gQCC>8  
1-15,000cd/m2 FJlsWh4,6=  
±1% Nc:U4  
Flickerfrequency:30Hz AC/DC 10% sine wave @   eo]a'J9(  
10Cd/m '%$-]~  
2 #nDL  
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KZ @l/s  
Flicker s9kTuhoK  
(JEITAmethod) LVWxd}0  
1-15,000cd/m2 X)Ocn`
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±1dB ]q37Hj  
Flickerfrequency:30Hz AC/DC 10% sine wave @ @OrXbG7&>#  
10Cd/m GdL4|xv  
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