提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 m+EtB6r  
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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。 GDwijZw  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： C[[:/X(c  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). >/9Qgyc0  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). ;0nL1R]w(  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   o(@^V!}V  
Triggerinput and output for in line applications. +<^c2diX  
Windows,Linux, OSX and embedded systems compatible. )P#xny2  
SCPIcommand interface for easy integration in other applications. M!O &\2Q  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. a/gr1  
USBTMCstandard compliant. " XlXu  
Integrating-or sampling mode available T5+ (Fz  
3 gainstages for every mode >8EmfjUoc  
Auto-rangefunction   XSktbk  
Usercalibration function and pre-programmed calibration values   "rcV?5?v~  
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Opticalsystem   qFwAzW
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Optics #RWmP$+#=  
10mmapperture lens  <xwaFZ  
Acceptanceangle
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5(±2.5) degrees. $
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Spotsize @ 50mm @WuG8G  
12mm 4=ZN4=(_[  
Spotsize @ 75mm ,Ad{k   
15.5mm x-HR[{C  
Spotsize @ 100mm L r9z~T:ED  
19mm F>"B7:P1:Q  
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Samplemode - signal frequency response   f=Kt[|%'e  
Parameter 43/!pW  
f3db(1) DX<xkS[P  
Gain 1 vve[.Lud'  
DC –20 kHz Rqun}v}  
Gain 2 ke5_lr(  
DC –50 kHz l/6(V:  
Gain 3 {AO`[  
DC –120 kHz 2-DJ3OL]k  
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Measurementspecification j)lgF:  
Parameter Kc{~Q  
Range 3.?B')  
Accuracy lKLb\F%  
Lightlevel [cd/m V6tUijz  
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]       Repeatability (2)     Speed [samples/sec] (2) 7w5 L?,a  
Luminance(Y) H JjW  
(integratingmode) ~MZ.988:<  
0.005– 15,000 cd/m2 ^A;(#5A]7  
integrationtime  4d )Q  
between1ms and 5 RLUH[[  
seconds =d1R9O  
±4% of measuredvalue. (0QYX[(r~o  
Measuredat white image of LED LCD display. 1/vcj~|)t  
Luminance~150 cd/m2; Z=y^9]  
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±0.20% 0?\d%J!"S  
4-10 ]?j[P=\  
1 Avo"jN*<d  
±0.10% vV /fTO  
10-20 a3(q;^v  
5 @
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±0.05% >Wr  
20-100 UZ3oc[#D=]  
>150 te8lF{R  
±0.03% jthGNVZ  
20-100 Zmr*$,v<y  
Luminance(Y) 7s'r3}B`  
(samplingmode) P1}Fn:Xe%7  
1 –15,000 cd/m2 CsW*E,|xyP  
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±4% of measuredvalue. D4W^{/S  
Measuredat white image of LED LCD display. 2_#Vw&v  
Luminance~150 cd/m2; +]NPxUa  
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±0.20% ]WP[hF  
4-10 ]Qb85;0)  
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±0.10% Ex3V[v+D(  
10-20 kpt0spp  
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±0.05% ,T3_*:0hk!  
20-100 Kh;jiK !  
>150 6=xbi{m$  
±0.03% }Qo:;&"3  
20-100 czHbdEh  
Flicker JYU0&nZl4  
(ContrastMethod) ^GN|}W  
1-15,000cd/m2 YQk<1./}I  
±1% 0(~,U!g[=  
Flickerfrequency:30Hz AC/DC 10% sine wave @   2V 9vS  
10Cd/m tlz)V1L  
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Flicker ><Z`)}
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(JEITAmethod) G~;hD-D~.  
1-15,000cd/m2 Sxw%6Va]p  
±1dB 4,pSC  
Flickerfrequency:30Hz AC/DC 10% sine wave @ muqIh!nn  
10Cd/m "mm|0PUJ  
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