提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 [v`kqL~  
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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。 hw(\3h()  

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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： ILqBa:J  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). 6[SIDOp*^  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). <_#2+7Qs  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   Qqs1%u;e8  
Triggerinput and output for in line applications. gtePo[ZH.P  
Windows,Linux, OSX and embedded systems compatible. );kD0FO1|  
SCPIcommand interface for easy integration in other applications. U_l9CZ  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. dqs~K7O^E  
USBTMCstandard compliant. pdvnpzj  
Integrating-or sampling mode available *ifz@8C }  
3 gainstages for every mode 'C]Yh."u  
Auto-rangefunction   D:/q<<|  
Usercalibration function and pre-programmed calibration values   _54gqD2C,  
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Opticalsystem   _^NyLI%  
Optics T6QRr}8`/J  
10mmapperture lens P=_fYA3  
Acceptanceangle kguZAO6  
5(±2.5) degrees. eLnS1w2  
Spotsize @ 50mm ~f[ Y;  
12mm /R&h#;l  
Spotsize @ 75mm ~$J(it-a  
15.5mm lo(
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Spotsize @ 100mm Fxc_s/^=t  
19mm X-(4/T+v  
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Samplemode - signal frequency response   E6ZkO/  
Parameter G}9f/$'3  
f3db(1) .7  0  
Gain 1 f:ObI  
DC –20 kHz X;N?L%Pp  
Gain 2 owQ,op#  
DC –50 kHz q\]X1N  
Gain 3 5l 3PAG  
DC –120 kHz L*tfYonq  
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Measurementspecification 0hV#]`9`gN  
Parameter DZtpY{=Z  
Range .JXEw%I@  
Accuracy t4[q:[1  
Lightlevel [cd/m %,_ZVgh0  
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]       Repeatability (2)     Speed [samples/sec] (2) YE~IO5   
Luminance(Y) >&KH!:OX|  
(integratingmode) {tUe(  
0.005– 15,000 cd/m2 n@RmH>"  
integrationtime YHQ]]#'  
between1ms and 5 uR5+")r@S  
seconds ]690ey$E:j  
±4% of measuredvalue. 0Eb4wupo  
Measuredat white image of LED LCD display.  pE)NSZ  
Luminance~150 cd/m2; JM,%| E  
0.1 B[GC@]HE  
±0.20% P'lnS&yA  
4-10 z
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1 j'z#V_S  
±0.10% 7,+eG">0  
10-20 eV|N@  
5 'NhQBk  
±0.05% P\7*ql`  
20-100 LBCH7@V1yR  
>150 GHcx@||C?  
±0.03% C!*!n^qA  
20-100 \mc0fY  
Luminance(Y) EVX3uC}{  
(samplingmode) PlzM`g$A  
1 –15,000 cd/m2 CW &z?Bra  
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±4% of measuredvalue. x950,`zy  
Measuredat white image of LED LCD display.  @./h$]6  
Luminance~150 cd/m2; e c&Y2  
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±0.20% (4+P7Z,Nc  
4-10 mQ:{>`  
5 lI=<lmM0|/  
±0.10% 90<
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10-20 ?uq`|1`  
20 13X}pnW  
±0.05% En
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20-100 @(,1}3s  
>150 t5-O-AI[b{  
±0.03% k8w\d+!v  
20-100 q Q\j  
Flicker |3'  
(ContrastMethod) (I>Ch)'  
1-15,000cd/m2 D<SC
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±1% 8>v_th  
Flickerfrequency:30Hz AC/DC 10% sine wave @   w>%@Ug["  
10Cd/m  [SPx  
2 $H)^o!  
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Flicker 
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(JEITAmethod) 3kn-tM  
1-15,000cd/m2 "?8)}
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±1dB KNVu[P)rv  
Flickerfrequency:30Hz AC/DC 10% sine wave @ +hyOc|5  
10Cd/m oW3"J6,S  
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