提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 #)BdN  
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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。 t*)-p:29h  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： tU%-tlU9?  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). w^&TG3m1~  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). 2Ax HhD.  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   7n~BDqT  
Triggerinput and output for in line applications. RkJ\?  
Windows,Linux, OSX and embedded systems compatible. I/s?]v  
SCPIcommand interface for easy integration in other applications. F62arDA  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. O>Nop5#o  
USBTMCstandard compliant. %L./U$  
Integrating-or sampling mode available |^m
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3 gainstages for every mode <L__;j1Wx  
Auto-rangefunction   1b'1vp  
Usercalibration function and pre-programmed calibration values   &0 VM <  
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Opticalsystem   BV&}(9z  
Optics QH%{r4  
10mmapperture lens !o 7uZC\  
Acceptanceangle V\kf6E  
5(±2.5) degrees. gtHk1 9  
Spotsize @ 50mm zy#E qv  
12mm H3.WAg[`  
Spotsize @ 75mm U"xI1fg%b  
15.5mm ~}mX#,  
Spotsize @ 100mm VPf*>ph=  
19mm nYuZg6K  
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Samplemode - signal frequency response   {nbD5?   
Parameter eN%Ks  
f3db(1) zu}h3n5  
Gain 1 '8>#`Yba  
DC –20 kHz t9PS5O ;  
Gain 2 2D MH@U2  
DC –50 kHz h"YIAQ',  
Gain 3 f
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DC –120 kHz f$k#\=2%  
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Measurementspecification QH4nb h4  
Parameter "_C^Bc  
Range y-"*[5{W  
Accuracy F5J=+Q%8[&  
Lightlevel [cd/m 5-w6(uu  
2 A{;b^IK  
]       Repeatability (2)     Speed [samples/sec] (2) /wCeeG,<  
Luminance(Y) _qmBPUx  
(integratingmode) RH. oo&  
0.005– 15,000 cd/m2 tGD$cBE  
integrationtime /v;g v[  
between1ms and 5 wLU w'Ai  
seconds N`grr{*_  
±4% of measuredvalue. "aP>}5<h  
Measuredat white image of LED LCD display. i<1w*yu  
Luminance~150 cd/m2; {:Z#8dGe  
0.1 .dp~%!"Sn,  
±0.20% ~/\;7E{8!  
4-10 m{x!uq  
1 :M ix*NCf  
±0.10% 'oEFN
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10-20 d Z"bc]z{  
5 mw`%xID*  
±0.05% t_,iV9NrZ  
20-100 G+'MTC_  
>150 GwwxSB&y  
±0.03% ygUvO3Z  
20-100 4^alAq^  
Luminance(Y) ^$_ifkkLz  
(samplingmode) pLBp[GQ  
1 –15,000 cd/m2 '4FS.0*_  
QhZ!A?':U  
±4% of measuredvalue. 60teD>Eh,  
Measuredat white image of LED LCD display. ;myu8B7&  
Luminance~150 cd/m2; BaiC;&(   
1 jL%-G  
±0.20% Fm,A<+l@u  
4-10 `-s+ zG  
5 8o4<F%ot  
±0.10% 2v`VtV|B  
10-20 [CRy>hfV  
20 Si*Pi  
±0.05% .(CzsupY_q  
20-100 0'BR Sa<  
>150 C+r--"Z  
±0.03% +2B{"Czm  
20-100 52l|  
Flicker _ZzPy;[i?  
(ContrastMethod) +VDl"Hx  
1-15,000cd/m2 fPK|Nw]b  
±1% f5wOk&G  
Flickerfrequency:30Hz AC/DC 10% sine wave @   BIbcm,YQ  
10Cd/m w6R
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2 q'+XTal  
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Flicker 4p>@UB&U  
(JEITAmethod) 1.yw\ZC\  
1-15,000cd/m2 |KU>+4= @  
±1dB ]ueq&|  
Flickerfrequency:30Hz AC/DC 10% sine wave @ 9S&6u1  
10Cd/m MZ+8wr/y  
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