提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 z\%67C  
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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。 
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： F}/S:(6LF2  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). z?*w8kU&>  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). DBr ZzA  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   IvtJ0  
Triggerinput and output for in line applications. )x=1]T>v"'  
Windows,Linux, OSX and embedded systems compatible. fy@<&U5rg  
SCPIcommand interface for easy integration in other applications. LoN< oj5  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. 2Tp1n8FV  
USBTMCstandard compliant. GQUe!G9  
Integrating-or sampling mode available .7avpOfz  
3 gainstages for every mode EWkLXU6t  
Auto-rangefunction   _8F`cuyW  
Usercalibration function and pre-programmed calibration values   Ssou  
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Opticalsystem   jk[1{I/  
Optics &&8IU;J  
10mmapperture lens zGkS^Z=(  
Acceptanceangle QLiu2U o  
5(±2.5) degrees. Enn"hdI  
Spotsize @ 50mm /)}
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12mm E%,^Yvh/  
Spotsize @ 75mm &-Gqdnc  
15.5mm {YAJBIvHV  
Spotsize @ 100mm deV  8  
19mm &;[Io  
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Samplemode - signal frequency response   c]n1':FT"  
Parameter fPR1f~r  
f3db(1) 5A3xVN=  
Gain 1 qzKdQ&vO  
DC –20 kHz Vr`R>S,-
 
Gain 2 JP!~,
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DC –50 kHz =C8?M  
Gain 3 V)~.~2$  
DC –120 kHz <66X Xh.  

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Measurementspecification .*Ct bGw  
Parameter F@'Jbd`   
Range =JK@z  
Accuracy @hiCI.?X  
Lightlevel [cd/m 9=8iy w  
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]       Repeatability (2)     Speed [samples/sec] (2) g(qJN<RC/  
Luminance(Y) YQ9'0F[l  
(integratingmode) +eK"-u~K  
0.005– 15,000 cd/m2 "/3'XOK|  
integrationtime 4ew" %Cs*  
between1ms and 5 ~962i#&4  
seconds }Qn&^[[miL  
±4% of measuredvalue. 2Mc3|T4)U  
Measuredat white image of LED LCD display. tl,.fjZn  
Luminance~150 cd/m2; *`ua'"="k  
0.1 V3Q+s8OIF  
±0.20% "U>JM@0DNm  
4-10 aeFe!`F  
1 eg\v0Y!rI  
±0.10% LsqA**=  
10-20 ([T>.s  
5 }Jy8.<Gd^  
±0.05% 1PVtxL?1P  
20-100 &C,'x4c"  
>150 :dl]h&C^  
±0.03% }Z@ovsG  
20-100 LtWP0@JA  
Luminance(Y) U@_dm/;0&  
(samplingmode) 0QXVW}`hz  
1 –15,000 cd/m2 J>wt(] y  
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±4% of measuredvalue.
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Measuredat white image of LED LCD display. R]c+?4J  
Luminance~150 cd/m2; 591>rh)  
1 DBW[{DE  
±0.20% :mh_G
 
4-10 E4`
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5 `5cKA;j>b  
±0.10% !"HO]3-o  
10-20 jaTh^L  
20 r?
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±0.05% 8ndYV>{f
 
20-100
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>150 :~b3^xhc^  
±0.03% #C~+JL  
20-100 m,*QP*  
Flicker 8'r2D+Vwm  
(ContrastMethod) ][gq#Vx@  
1-15,000cd/m2 1-%fo~!l  
±1% 3m]4=  
Flickerfrequency:30Hz AC/DC 10% sine wave @   l4D+Y  
10Cd/m ocqU=^ta  
2 \f]k 
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Flicker /f:dv?!km  
(JEITAmethod) %+@O#P  
1-15,000cd/m2 .
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±1dB ''q@>  
Flickerfrequency:30Hz AC/DC 10% sine wave @ /7aBDc-v  
10Cd/m HmiR.e%<b  
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