提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 g$N/pg2>cT  
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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。 /#C}1emK  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： (5Z*m<]c  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). @g{FNXY$m  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). |v6kZ0B<  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   *@zh  
Triggerinput and output for in line applications. h'tb  
Windows,Linux, OSX and embedded systems compatible. Ww[Xqmg  
SCPIcommand interface for easy integration in other applications. ruKm_j#J  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. P~H
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USBTMCstandard compliant. b-+~D9U<  
Integrating-or sampling mode available MN.h,^b  
3 gainstages for every mode %\|9_=9Wn  
Auto-rangefunction   !d)Vr5x  
Usercalibration function and pre-programmed calibration values   O_kBAC-|R(  
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Opticalsystem   C2[* $ 1U  
Optics I+4#LR3;  
10mmapperture lens vo]!IY  
Acceptanceangle 5!b+^UR;z  
5(±2.5) degrees. X^td`}F/=V  
Spotsize @ 50mm C;UqLMrOI  
12mm 6VsgZ"Il  
Spotsize @ 75mm E0s|eA&  
15.5mm #aeKK7[  
Spotsize @ 100mm 5vmc'Om  
19mm =Lc!L !(,b  
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Samplemode - signal frequency response   FoNkISzW  
Parameter 5p}ri,Y<  
f3db(1) sYG:\>}ie  
Gain 1 L/Ytkag  
DC –20 kHz wOLDHg_  
Gain 2 0'QX*xfa>  
DC –50 kHz GI[TD?s  
Gain 3 j TyR+#Wn  
DC –120 kHz ev'` K=n8  
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Measurementspecification c;13V(Djy  
Parameter wqnHaWd*  
Range xk:=.Qqh  
Accuracy ;J>upI  
Lightlevel [cd/m ms]r1x"  
2 )/y7Fh  
]       Repeatability (2)     Speed [samples/sec] (2) 'xP&u<(F  
Luminance(Y) lA/.4"nN  
(integratingmode) F{*h~7D-|  
0.005– 15,000 cd/m2 (2J\o  
integrationtime =.48^$LWx  
between1ms and 5 x_+-TC4IXn  
seconds vH?rln  
±4% of measuredvalue. }mYxI^n  
Measuredat white image of LED LCD display. ixY[ HDPq  
Luminance~150 cd/m2; 1`Ig A0V`"  
0.1 K7-z.WTUR  
±0.20% s0To^I  
4-10 D^Gs_z$['  
1 T
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±0.10% (B^rW,V[R  
10-20 JE*d-  
5 =`KA@~XH4  
±0.05% Uk'bOp  
20-100 Mgp+#w+,  
>150 {44#<A<  
±0.03% Nrn_Gy>|D  
20-100 z@21Z`,  
Luminance(Y) lS96Z3k"SB  
(samplingmode) Tpd|+60g  
1 –15,000 cd/m2 t+ vz=`  
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±4% of measuredvalue. 0sA+5*mdM  
Measuredat white image of LED LCD display. S0' ACt`  
Luminance~150 cd/m2; rQD^O4j R  
1 PWBcK_4i%  
±0.20% S?[@/35)  
4-10 <5 }  
5 .nzN5FB U  
±0.10% %#<MCiaK  
10-20 ~+)>D7  
20 kK|D&Xy`  
±0.05% h5Ee*De  
20-100 H:F'5Zt  
>150 &\y`9QpVF  
±0.03% -.OZ  
20-100 CUN1.i<pk8  
Flicker d.0K~M  
(ContrastMethod) (6*  
1-15,000cd/m2 ]5r@`%9  
±1% 4D}hYk$eP0  
Flickerfrequency:30Hz AC/DC 10% sine wave @   4Ql9VM%y  
10Cd/m RKPX*(i~  
2 5HaI$>h6  
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Flicker f~10 iD  
(JEITAmethod) wJZuJ(  
1-15,000cd/m2 
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±1dB }/lyrj
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Flickerfrequency:30Hz AC/DC 10% sine wave @ /
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10Cd/m akFT 0@9  
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