提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 &c%;Lo  
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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。 iLD}>=  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： {FNmYneh?6  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). 4CCtLHb  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). ?hHVawt  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   hV_bm@f/y  
Triggerinput and output for in line applications. ZjLuqo  
Windows,Linux, OSX and embedded systems compatible. Pv@Lx+k  
SCPIcommand interface for easy integration in other applications. j#6@cO'`  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. &?59{B.mD  
USBTMCstandard compliant.  UDl[  
Integrating-or sampling mode available ,NB?_\$c  
3 gainstages for every mode iEjUo, Y[  
Auto-rangefunction   AUBZ7*VO  
Usercalibration function and pre-programmed calibration values   EbXWCD  
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Opticalsystem   Mwm9{1{  
Optics  $I}7EI  
10mmapperture lens 4;_aFn  
Acceptanceangle PaIE=Q4gJ  
5(±2.5) degrees. 2Tt^^Lb  
Spotsize @ 50mm X!6oviT|m  
12mm 7 G37V"''  
Spotsize @ 75mm l<X8Ooan#{  
15.5mm d^pzMaCI  
Spotsize @ 100mm ?9W2wqN>o  
19mm rW),xfo0  
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Samplemode - signal frequency response   nz
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Parameter @
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f3db(1) q}x+#[Ef  
Gain 1 pf@H;QS`  
DC –20 kHz &CcUr#|  
Gain 2 $!q(-+(  
DC –50 kHz knb 9s`wR  
Gain 3 \.l8]LH  
DC –120 kHz %K/zVYGm&  
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Measurementspecification H5J1j*P<d  
Parameter =Ul{#R z  
Range lk/[xQ/  
Accuracy tA{B~>  
Lightlevel [cd/m VxTrL}{(6  
2 QHmF,P  
]       Repeatability (2)     Speed [samples/sec] (2) Yn+d!w<3:  
Luminance(Y) @;1Ym\zc  
(integratingmode) Nfo`Q0\[P  
0.005– 15,000 cd/m2 x<gP5c>zm  
integrationtime +B#+'  
between1ms and 5 Spm7kw  
seconds T P#Hq  
±4% of measuredvalue. i[V\RKH*F  
Measuredat white image of LED LCD display. QRFBMq}'  
Luminance~150 cd/m2; 'OjsV

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0.1 2Q81#i'Cm  
±0.20% ?j^:jV  
4-10 29tih{xx  
1 &cuDGo.  
±0.10% 5!V%0EQqw  
10-20 Fofe
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5 vp2s)W8W  
±0.05% Uz$.sa  
20-100 )0UXTyw^  
>150 *i,@d&J y]  
±0.03% BH3%dh:9  
20-100 EgB$y"fs  
Luminance(Y) e,8[fp-7  
(samplingmode) E
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1 –15,000 cd/m2 T6^H%;G  
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±4% of measuredvalue. kC8M2|L  
Measuredat white image of LED LCD display. kPvR ,  
Luminance~150 cd/m2; /]>8V'e\  
1 ,C;%AS/  
±0.20% #C#*yE  
4-10 ?Jy/]j5fI  
5 ,We'AR3X  
±0.10% f3oGB*5>  
10-20 8D:0Vhx\I  
20 7M,(!*b  
±0.05% eFXQ~~gOj  
20-100 YQ
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>150 ,qu7XFYrY  
±0.03% :N#8|;J1Fl  
20-100 C.N#y`g  
Flicker 6z2WN|78  
(ContrastMethod) bx
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1-15,000cd/m2 yBkcYHT  
±1% wY xk[)&Y  
Flickerfrequency:30Hz AC/DC 10% sine wave @   'izv[{!n{  
10Cd/m r(OH  
2 ,vs#(d6G  
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Flicker 5iZx -M  
(JEITAmethod) cTa$t :K@  
1-15,000cd/m2 Lu5lpeSQ  
±1dB 34c+70x7  
Flickerfrequency:30Hz AC/DC 10% sine wave @ GWW#\0*Bn  
10Cd/m =HHtLW.|,  
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