提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 RQ[/s lg  
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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。 ?D2a"a$^  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： T?
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Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). &+@`Si=  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). 2)}*'_
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Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   (0#$%US\  
Triggerinput and output for in line applications. w' J`$=  
Windows,Linux, OSX and embedded systems compatible. T(Q ~b  
SCPIcommand interface for easy integration in other applications. `pCy:J?d>l  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. \b$pH  
USBTMCstandard compliant. IAGY-+8e  
Integrating-or sampling mode available 2]9 2J  
3 gainstages for every mode ~+0IFJ`}  
Auto-rangefunction   G1e_pszD{o  
Usercalibration function and pre-programmed calibration values   8@LWg d  
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Opticalsystem   J^7M0A4K  
Optics EATVce]T  
10mmapperture lens 0fBw
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Acceptanceangle ~
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5(±2.5) degrees. QN$s%&O  
Spotsize @ 50mm ;b=diZE  
12mm L[9Kh&c  
Spotsize @ 75mm LI3L~6A>  
15.5mm - A@<zqu  
Spotsize @ 100mm <F&XT@  
19mm }ri
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Samplemode - signal frequency response   7- LjBlH  
Parameter fU ;H  
f3db(1) ,q#SAZ/N  
Gain 1 ,9jk<)m]L  
DC –20 kHz X[tB^`  
Gain 2 W?aP%D"(i  
DC –50 kHz 4.wrY6+V  
Gain 3 6pS}\aD  
DC –120 kHz o[ks-C>jw  
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Measurementspecification /1{
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Parameter v9r.w-  
Range Y7g%nz[[  
Accuracy L
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Lightlevel [cd/m 8]vut{  
2 [kN_b<Pc,  
]       Repeatability (2)     Speed [samples/sec] (2) FGP^rTP)e  
Luminance(Y) 65O 8?
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(integratingmode) z\UXnRL  
0.005– 15,000 cd/m2 >0ZG&W9  
integrationtime r0[<[jEh  
between1ms and 5 Z?=o(hkd  
seconds 286r
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±4% of measuredvalue. EZ"i0u  
Measuredat white image of LED LCD display. [Q
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Luminance~150 cd/m2; /*BU5  
0.1 11#b%dT  
±0.20% TW(X#T@Z6I  
4-10 wzxV)1jT  
1 6la'\l#  
±0.10% yFmy  
10-20 J %A=  
5 )7+z/y+[n  
±0.05% 2(~Zl\  
20-100 H{N},B  
>150 PknKzrEG:>  
±0.03% ~4FzA,,  
20-100 2BF455e   
Luminance(Y) yevJA?C4 v  
(samplingmode) t,/8U  
1 –15,000 cd/m2 2!W[ff@~7  
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±4% of measuredvalue. b3[!1i  
Measuredat white image of LED LCD display. <Rn-B).3bs  
Luminance~150 cd/m2; +UX~
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1 _U4@W+lhX_  
±0.20% O9?.J,,mVh  
4-10 P* &0HbJ  
5 l"`VvW[  
±0.10% P/WGB~NH  
10-20 S~fP$L5  
20 m(9I+
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±0.05% ^;s/4  
20-100 l8+)Xk>  
>150 rf
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±0.03% JtMl/h  
20-100 NhNd+SCZ@  
Flicker Qt>kythi  
(ContrastMethod) 5+oY c-  
1-15,000cd/m2 $")Gd@aR  
±1% q&9]4j  
Flickerfrequency:30Hz AC/DC 10% sine wave @   I9xu3izAmR  
10Cd/m LQ%QFfC  
2 9__Q-J  
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Flicker <=6F=u3PtU  
(JEITAmethod) }TZM@{;  
1-15,000cd/m2 {2Tu_2>  
±1dB yN`&oya  
Flickerfrequency:30Hz AC/DC 10% sine wave @ c C) <Y#1  
10Cd/m Aep](je  
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