提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 YRX2^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。 .ceU @^  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： E.*OA y  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). $zH0$aOx  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). \d8=*Zpz7  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   mr\L q~*c  
Triggerinput and output for in line applications. g0U\AN  
Windows,Linux, OSX and embedded systems compatible. G\+MT(&5  
SCPIcommand interface for easy integration in other applications. <cd%n-  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. ))-M+CA  
USBTMCstandard compliant. Z#t.wWSq  
Integrating-or sampling mode available =Qq^=3@h  
3 gainstages for every mode tWy<9TF  
Auto-rangefunction   @Pg@ltUd  
Usercalibration function and pre-programmed calibration values   JHOBg{Wg  
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Opticalsystem   {dH<Un(4Z  
Optics m.X+sP-e  
10mmapperture lens L{ ^@O0S  
Acceptanceangle xVo)!83+Q  
5(±2.5) degrees. QE6-(/  
Spotsize @ 50mm M/I d\~  
12mm \r&@3a.>  
Spotsize @ 75mm ^d=@RTyo/  
15.5mm > %*X2'^  
Spotsize @ 100mm AMiFsgBj  
19mm qOan
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Samplemode - signal frequency response   ph+tk5k  
Parameter \d`S
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f3db(1) a#j^
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Gain 1 =)>q.R9  
DC –20 kHz ml/O
  
Gain 2 xL"o)]a=  
DC –50 kHz *XR~fs?/*W  
Gain 3 jv^L~<u  
DC –120 kHz !~kzxY  
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Measurementspecification I8:&Btf  
Parameter CplRnKra  
Range |ZzBCL8q  
Accuracy d+)L\ `4  
Lightlevel [cd/m CT`X~y10  
2 ':dHYvP/UX  
]       Repeatability (2)     Speed [samples/sec] (2) _QCI<|A  
Luminance(Y) xz'd5 re%  
(integratingmode) BS.6d}G4  
0.005– 15,000 cd/m2 |`/uS;O  
integrationtime r $2   
between1ms and 5 gWPa8q<b  
seconds <us{4%  
±4% of measuredvalue. f ebh1rUX  
Measuredat white image of LED LCD display. =h
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Luminance~150 cd/m2; G-<~I#k  
0.1 a^,RbV/  
±0.20% M] *pBc(o0  
4-10 TR20{8"  
1 h!]A(T\J  
±0.10% g{(nt5|^l  
10-20 n-Y'LK40Os  
5 `7ZJB$7D|*  
±0.05% %W+Fe,]  
20-100 B.jYU  
>150 1>{(dd?L  
±0.03% 9\2&6H  
20-100 mAa]Et.  
Luminance(Y) V|`|CVFo
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(samplingmode) z`SkKn0f Y  
1 –15,000 cd/m2 BD+?Ad?  
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±4% of measuredvalue. Hq$|j,&?  
Measuredat white image of LED LCD display. sxtGl^,mU:  
Luminance~150 cd/m2; Tkf !Y?  
1 '~0&m]N  
±0.20% ?YO%]mTP  
4-10 }fZBP]<I(  
5 AJu.  
±0.10% DAi[3`C  
10-20 x ,W+:l9~s  
20 f6)H!SI  
±0.05% nc)`ISI  
20-100 TH &B9  
>150 F^-4Pyq@  
±0.03% a6_
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20-100 %b9M\  
Flicker ,?+yu6eLb  
(ContrastMethod) 3}+ \&[  
1-15,000cd/m2 ,d#4Ib  
±1% I5]zOKlVR  
Flickerfrequency:30Hz AC/DC 10% sine wave @   Sy~1U  
10Cd/m KMZ`Wn=  
2 {'%=tJ[YX  
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Flicker f`e.c_n(  
(JEITAmethod) 2_Z60]  
1-15,000cd/m2 _NFJm(X.  
±1dB Z/x~:u_  
Flickerfrequency:30Hz AC/DC 10% sine wave @ 0'uj*Y{L  
10Cd/m c/RG1w  
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