提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 z;x1p)(xt  
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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。 4BSSJ@z  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： cB5|%@$I  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). "DV.%7*^  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). G~Oj}rn  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.    imE5$;  
Triggerinput and output for in line applications. T""y)
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Windows,Linux, OSX and embedded systems compatible. | ?Js)i  
SCPIcommand interface for easy integration in other applications. ^s'ozCk 0  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. Vab+58s5  
USBTMCstandard compliant. LGb.>O^  
Integrating-or sampling mode available 9HI9([Cs  
3 gainstages for every mode L|DSEth  
Auto-rangefunction   x+h7OvW{  
Usercalibration function and pre-programmed calibration values   <L+D  
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Opticalsystem   IyE9G:fY  
Optics w+vYD2a  
10mmapperture lens G:qkk(6_#  
Acceptanceangle &HKrmFgX{  
5(±2.5) degrees. :z=/z!5:j  
Spotsize @ 50mm  5" U8|  
12mm _"`wUMee  
Spotsize @ 75mm A/NwM1z[o)  
15.5mm +M9=KVr  
Spotsize @ 100mm _tE$a3`  
19mm J[<3Je=>$  
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Samplemode - signal frequency response   hk"^3d!  
Parameter B1@c`BJ;9T  
f3db(1) D]+tr%  
Gain 1 5g
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DC –20 kHz ?9q{b\=l  
Gain 2 qIQvix$8  
DC –50 kHz i3k ',8  
Gain 3 bHcb.;<  
DC –120 kHz ;8sEE?C$g  
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Measurementspecification Q!>8E4Z  
Parameter _:om(gL  
Range XQ:HH 8  
Accuracy ~..h=  
Lightlevel [cd/m BzH7E[R49  
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]       Repeatability (2)     Speed [samples/sec] (2) -W>zO
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Luminance(Y) FE1dr_i  
(integratingmode) N i^pP@('  
0.005– 15,000 cd/m2 *>.~f<V  
integrationtime n15c1=
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between1ms and 5 (CYVSO  
seconds z$p+l]  
±4% of measuredvalue. }/G~"&N[  
Measuredat white image of LED LCD display. ja2LQ
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Luminance~150 cd/m2; <u44YvLBm  
0.1 D00rO4~6D%  
±0.20% xtU)3I=F%  
4-10 _p{ag 1gP  
1 hmkcWr`  
±0.10% #UU}lG  
10-20 HkxFDU-K  
5 yB}y'5  
±0.05% M:?eK [h  
20-100 451
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>150 +XWXHt  
±0.03% f7OfN#I  
20-100 7 pg8kq@  
Luminance(Y) Uk ?V7?&  
(samplingmode) ]@ETQ8QN  
1 –15,000 cd/m2 +C\?G/  
TO[5h Y\  
±4% of measuredvalue. -<&"geJA  
Measuredat white image of LED LCD display. #:Cr'U  
Luminance~150 cd/m2; -$WiB  
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±0.20% L0|Vc9  
4-10 oG@P M+{  
5 6?}8z q[  
±0.10% Q+G=f  
10-20 KUH&_yCRB  
20 $Ry NM2YI  
±0.05% _* 4 <  
20-100 TdD-#|5  
>150 v}[KVwse  
±0.03% 8qBRO[  
20-100 (U/[i.r5Cj  
Flicker ; @Gm@d  
(ContrastMethod) {LJCY<IGq  
1-15,000cd/m2 f$V']dOj1q  
±1% @zfeCxVOA  
Flickerfrequency:30Hz AC/DC 10% sine wave @   Mw'd<{  
10Cd/m m!;mEBL{  
2 WKxJ`r\  
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Flicker 4B]8Mp~\aL  
(JEITAmethod) ;p\rgam  
1-15,000cd/m2 #3u8BLy$Q  
±1dB 'zT/x`V  
Flickerfrequency:30Hz AC/DC 10% sine wave @ y''?yr  
10Cd/m WHAEB1c#Q  
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