提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 ;H0{CkH  
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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。 Gc,_v3\  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： CI7A# 6-  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). X$n(-65  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). $'wq1u  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   i@P}{  
Triggerinput and output for in line applications. @%ECj)u`O  
Windows,Linux, OSX and embedded systems compatible. q6d~V]4:  
SCPIcommand interface for easy integration in other applications. ,. EBOUW^  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. K7)kS  
USBTMCstandard compliant. n6Z|Q@F  
Integrating-or sampling mode available {S.>B
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3 gainstages for every mode V
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Auto-rangefunction   &, a3@i  
Usercalibration function and pre-programmed calibration values   ^A_;#vK  
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Opticalsystem   5FeFN)  
Optics ?&+9WJ<M  
10mmapperture lens A;X=bj _&a  
Acceptanceangle Xl-e !  
5(±2.5) degrees. X` YwP/D  
Spotsize @ 50mm 8{ c!).  
12mm HLK@xKD<  
Spotsize @ 75mm Sm{>rR  
15.5mm t#E}NR  
Spotsize @ 100mm fxQN+6;  
19mm # TkR  
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Samplemode - signal frequency response   Hf gz02Z$  
Parameter ro~+j}*  
f3db(1) _.)eL3OF  
Gain 1 rRFAD{5)  
DC –20 kHz =6nD sibf  
Gain 2 dl]#
 
DC –50 kHz n~IVNB*  
Gain 3 ed!>)Cb  
DC –120 kHz 4_?7&G0(  
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Measurementspecification 1 jb/o5n;  
Parameter  a*dQ _  
Range k+ o|0  
Accuracy <'U]`Lp  
Lightlevel [cd/m z_|oCT!6  
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]       Repeatability (2)     Speed [samples/sec] (2) HfNDD|Zz  
Luminance(Y) vG41Ck1  
(integratingmode) (=x"Y{%  
0.005– 15,000 cd/m2 /
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integrationtime },$0&/>ft  
between1ms and 5 (]2H7X:b  
seconds >pL2*O^{9  
±4% of measuredvalue. p*QKK@C  
Measuredat white image of LED LCD display. dI'SwnR  
Luminance~150 cd/m2; CB\{!  
0.1 }ut]\]b  
±0.20% 7*o*6,/  
4-10 &]6)
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1 {}~:&.D  
±0.10% o89( h!  
10-20 tA.`k;LT  
5 :*514N  
±0.05% I<oL}f  
20-100 6=_~0PcY  
>150 Dr<='Ux[5  
±0.03% QbFHfA2Ij  
20-100 y^>Q/H\  
Luminance(Y)
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(samplingmode) >TL^>D  
1 –15,000 cd/m2 U%<rn(xWXD  
PG%0yv%  
±4% of measuredvalue. koG{ |elgB  
Measuredat white image of LED LCD display. EV M7Q>  
Luminance~150 cd/m2; gJN0!N'  
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±0.20% ;zTuKex~  
4-10 d[gl]tj9  
5 1k8x%5p  
±0.10% e0,'+;*=g  
10-20 }CL"S_>1  
20 F t&+vS  
±0.05% gwkb!#A  
20-100 \`.F\Z  
>150 E`\8TqO  
±0.03% M+>`sj  
20-100 )>\}~s  
Flicker 4p`XG1Pt  
(ContrastMethod) `1` f*d v  
1-15,000cd/m2 g:ErZ;[  
±1% ~!iQ6N?PY  
Flickerfrequency:30Hz AC/DC 10% sine wave @   I_)*)d44_  
10Cd/m ~^I>#Dd  
2 qZk'tRv  
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Flicker D0G-5}s`  
(JEITAmethod) %
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1-15,000cd/m2 +%>:0mT  
±1dB Lm*VN~2  
Flickerfrequency:30Hz AC/DC 10% sine wave @ n`Z"rwKmNw  
10Cd/m D>
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