提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 %{^|Av1Uz  
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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。 /<+`4n  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： 7D 3-/_v  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). rADzJ#CU\  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). p__N6a  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   <*u^8lCA  
Triggerinput and output for in line applications. Kf$(7FT'`  
Windows,Linux, OSX and embedded systems compatible. \K%M.>]vq  
SCPIcommand interface for easy integration in other applications. 8~RJnwF^  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. T9kc(i'  
USBTMCstandard compliant. ]Z=al`-  
Integrating-or sampling mode available kv?DE4=;  
3 gainstages for every mode $XkO\6kh  
Auto-rangefunction   Gp)J[8j  
Usercalibration function and pre-programmed calibration values   ?0JNaf  
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Opticalsystem   tgl 4pAc  
Optics S^EAE]  
10mmapperture lens 61gyx6v  
Acceptanceangle QSM3qke  
5(±2.5) degrees. W|n$H`;R  
Spotsize @ 50mm @8A[HP  
12mm Sx0{]1J  
Spotsize @ 75mm sD{Wc%5  
15.5mm Vwjic2lGI  
Spotsize @ 100mm w2('75$J  
19mm WT1y7+_g(d  
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Samplemode - signal frequency response   Lg#(?tMp,'  
Parameter 7&%#bMnw  
f3db(1) b9
-3  
Gain 1 >*!
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DC –20 kHz =43NSY  
Gain 2 {&B0kjf  
DC –50 kHz El :%\hGy  
Gain 3 R2 J A(Hn  
DC –120 kHz 5gC>j(  
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Measurementspecification T:|p[Xbo  
Parameter ryA+Lli.  
Range xpwy%uo  
Accuracy &_hEM~{  
Lightlevel [cd/m aX|(%1r  
2 a+a6P5kJ  
]       Repeatability (2)     Speed [samples/sec] (2) +StsSZ  
Luminance(Y) r{SDJa  
(integratingmode) =]pEvj9o  
0.005– 15,000 cd/m2 V*Xr}FE  
integrationtime Ss
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between1ms and 5 )ZrB-(u~k  
seconds j*4:4B%  
±4% of measuredvalue. >dD$GD{  
Measuredat white image of LED LCD display. ssoE,6kS  
Luminance~150 cd/m2; W@'*G*f  
0.1 -:J<JX)o  
±0.20% 3=} P l,  
4-10 \n^[!e"`  
1 UTN[!0[  
±0.10% k9:|CEP  
10-20 h/8p2Mrqi  
5 9e vQQN6D|  
±0.05% aD_7^
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20-100 oj)(.X<8N  
>150 N`N?1!fM<}  
±0.03% I'p+9H$  
20-100 (pd~ 2!;C  
Luminance(Y) 19!;0fe=  
(samplingmode) .c__T{<)[  
1 –15,000 cd/m2 ?cKTeGrS  
9$C?)XKXB  
±4% of measuredvalue. EYCZuJxv  
Measuredat white image of LED LCD display. 0G33hIOS  
Luminance~150 cd/m2; R osU~OK  
1 VEn3b  
±0.20% KtH^k&z.f  
4-10 #5'@at'1  
5 Fpeokr"i  
±0.10% gG}H5uN  
10-20 kp}[nehF  
20 z5Tsu1c  
±0.05% Hz==,NR-W  
20-100 >gM"*Laa?  
>150 ki/Cpfq40*  
±0.03% 6KXW]a `  
20-100 3G2iRr.o  
Flicker ^Qn:#O9  
(ContrastMethod) r3-<~k-  
1-15,000cd/m2 .9,x_\|G*  
±1% H270)Cwn+  
Flickerfrequency:30Hz AC/DC 10% sine wave @   Z2H bAI8  
10Cd/m bX(/2_l  
2 =NI?Jk*iAq  
3 v.8  
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Flicker =l${
p*ABQ  
(JEITAmethod) ^~7Mv^A  
1-15,000cd/m2 fiD,HGx i  
±1dB lz36;Fp  
Flickerfrequency:30Hz AC/DC 10% sine wave @
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10Cd/m 2/uZ2
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