提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 _iEnS4$A8  
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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。 :=5X)10
 
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： _O11SiP]  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). BIew\N  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). 'Nuy/\[{\  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   .n4{xQo,EJ  
Triggerinput and output for in line applications. FKL@,>!<e  
Windows,Linux, OSX and embedded systems compatible. 1CSGG'J]E  
SCPIcommand interface for easy integration in other applications. 'jO8C2Th%  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. l?V#;  
USBTMCstandard compliant. mh`uvqY  
Integrating-or sampling mode available q8;MPXSG3  
3 gainstages for every mode x*=m'IM[  
Auto-rangefunction   }[drR(]`dO  
Usercalibration function and pre-programmed calibration values   }A;YM1^$  
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Opticalsystem   |!7leL  
Optics `-R&4%t%  
10mmapperture lens F?6Q(mRl  
Acceptanceangle Q-#<{' (  
5(±2.5) degrees. ;*9<lUvu  
Spotsize @ 50mm J7aYi]vI  
12mm 5JK'2J&  
Spotsize @ 75mm RP[`\  
15.5mm 7N@[Rtv  
Spotsize @ 100mm LpSF*xm  
19mm iQT0%WaHl  
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Samplemode - signal frequency response   ?TIi0;h  
Parameter 3 |LRb/|  
f3db(1) ` "-P g5  
Gain 1 >9i>A:  
DC –20 kHz $>uUn3hSx\  
Gain 2 ,O:p`"3`0=  
DC –50 kHz vWrTB   
Gain 3  7
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DC –120 kHz D^P0X:T]  
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Measurementspecification 5L~lF8  
Parameter Iw)m9h  
Range ?m7i7Dz   
Accuracy 3O1Lv2)_  
Lightlevel [cd/m ,aBy1K  
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]       Repeatability (2)     Speed [samples/sec] (2) br 3-.g  
Luminance(Y) v@8SMOe%  
(integratingmode) !g}@xwWax  
0.005– 15,000 cd/m2 gzH;`,  
integrationtime FwHqID_!:l  
between1ms and 5 ;mz#$"(  
seconds hNkv lk'Ui  
±4% of measuredvalue. J kAd3ls  
Measuredat white image of LED LCD display. '@w'(}3!3R  
Luminance~150 cd/m2; =OV5DmVmQ  
0.1 V>E7!LIn.  
±0.20% \w1',"l`  
4-10 |M t2  
1 +~of#  
±0.10% dn?'06TD  
10-20 V=5*)i/  
5 +|8.ymvm  
±0.05% D
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20-100 < .e4  
>150 -e_TJA  
±0.03% fkX86  
20-100 AcH!KbYf  
Luminance(Y) $]}K;  
(samplingmode) TgDT  
1 –15,000 cd/m2 _/
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±4% of measuredvalue. 9mv0}I  
Measuredat white image of LED LCD display. Lp@Al#X55  
Luminance~150 cd/m2; S%Ky+0  
1 ]GCw3r(!  
±0.20% C"0 VOb  
4-10 TvT>UBqj=  
5 {}iS5[H]  
±0.10% AW|SD  
10-20 qxHn+O!h  
20 jTV4iX  
±0.05% QfPw50N;  
20-100 aj .7t=^  
>150 4^nHq 4_  
±0.03% Iw( wT_  
20-100 9kqR-T|Q  
Flicker oTXIs4+G  
(ContrastMethod) *14:^neoI  
1-15,000cd/m2 )8}k.t>'s  
±1% &?5)Jis:  
Flickerfrequency:30Hz AC/DC 10% sine wave @   ya^8mp-  
10Cd/m 7^M$u\a)U  
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7 <]YK`a2d  
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Flicker h<$%y(lP  
(JEITAmethod) F]>
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1-15,000cd/m2 =ONM#DxH  
±1dB <n~.X<6V'  
Flickerfrequency:30Hz AC/DC 10% sine wave @ 4tUt"N  
10Cd/m S*J\YcqSC  
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