提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 WzG]9$v &  
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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。 KYa}k0tVAp  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： cHo@F!{o=  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). :{sy2g/+  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). a7$-gW"Z(,  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   4SRjF$Bsz  
Triggerinput and output for in line applications. vd<r}3i*  
Windows,Linux, OSX and embedded systems compatible. "#}
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SCPIcommand interface for easy integration in other applications. 8xf]zM"Q  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. p G|-<6WY  
USBTMCstandard compliant. [0c7fH`8V  
Integrating-or sampling mode available bd|ZhRsL  
3 gainstages for every mode j IO2uTM~  
Auto-rangefunction   w
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Usercalibration function and pre-programmed calibration values   S $j"'K  
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Opticalsystem   ?e=3G4N  
Optics 55O_b)$  
10mmapperture lens )R %>g-dw  
Acceptanceangle a|}v?z\  
5(±2.5) degrees. *<
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Spotsize @ 50mm v7-z<'?s~  
12mm !m]_tB  
Spotsize @ 75mm 1fgO3N  
15.5mm YQ? "~[mL  
Spotsize @ 100mm 2/o_,k  
19mm r?9D/|`  
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Samplemode - signal frequency response   aI.5w9  
Parameter zX]4DLl,  
f3db(1) g\.O5H9Od  
Gain 1 ]?p 9)d=%<  
DC –20 kHz uuaoBf  
Gain 2 ,I|3.4z  
DC –50 kHz ]mzghH:E  
Gain 3 K&"ZZFd_  
DC –120 kHz hl}iw_e  
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Measurementspecification . E8Gj'yO  
Parameter fEJF3<UF&  
Range N1D{
%  
Accuracy yC&u^{~BC  
Lightlevel [cd/m f]sc[_n]  
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]       Repeatability (2)     Speed [samples/sec] (2) aHR+
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Luminance(Y) :<p3L!?8y  
(integratingmode) )L+>^cJI<  
0.005– 15,000 cd/m2 O'rz  
integrationtime ]0o_- NI  
between1ms and 5 aM5Hp>'nI  
seconds <nvzNXql  
±4% of measuredvalue. qs$w9I  
Measuredat white image of LED LCD display. ZrNBkfe:  
Luminance~150 cd/m2; "?AJ(>wP  
0.1 m!-R}PQC  
±0.20% dDrzO*a\  
4-10 61SbBJ6[  
1 V}aZ}m{J  
±0.10% Au10]b  
10-20 byJR6f  
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±0.05% mI>=S  
20-100 ;$Pjl8\  
>150 jp+s[rRc\{  
±0.03% )z\ 73|w  
20-100 W0+m A  
Luminance(Y) ()MUyW"S#`  
(samplingmode) 0/5{v6_rG  
1 –15,000 cd/m2 b3.}m[]  
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±4% of measuredvalue. `E2RW{$A  
Measuredat white image of LED LCD display. 7`J= PG$A  
Luminance~150 cd/m2; ){<qp  
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±0.20%
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4-10 \o}=ob  
5 ,p' ;Xg6ez  
±0.10% _T.T[%-&=  
10-20 "1wjh=@z  
20 ?
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±0.05% 3f-J%!aH  
20-100 i%GNmD  
>150 6f*Q
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±0.03% nV/;yl4e{  
20-100 *v#Z/RrrA  
Flicker +JejnG0  
(ContrastMethod) BHf7\+Ul  
1-15,000cd/m2 \R[f< K%  
±1% "Z]z9(  
Flickerfrequency:30Hz AC/DC 10% sine wave @   bLSUF`-z  
10Cd/m X:JU#sI  
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Flicker lo
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(JEITAmethod) MLvd6tIv,  
1-15,000cd/m2 [_-[S  
±1dB $O^"OQ_@  
Flickerfrequency:30Hz AC/DC 10% sine wave @ 5 \iX%w@  
10Cd/m ,lFhLj7  
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