提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 $5y%\A  
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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。 Q=
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： ~\`lbGJ7?  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). -frmvNJ F  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). mdvooJ  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   6lO]V=+  
Triggerinput and output for in line applications. V0 x[sEW  
Windows,Linux, OSX and embedded systems compatible. #}L75  
SCPIcommand interface for easy integration in other applications. x/
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Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. #+HLb  
USBTMCstandard compliant. xRYL{+  
Integrating-or sampling mode available 4k_&Q?1  
3 gainstages for every mode sfi.zuG  
Auto-rangefunction   8*3o9$Pj  
Usercalibration function and pre-programmed calibration values   wEENN_w  
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Opticalsystem   ,<F=\G_f  
Optics .MkHB0 2N  
10mmapperture lens 
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Acceptanceangle BJ!b LQ  
5(±2.5) degrees. y:(OZ%g  
Spotsize @ 50mm l CHaRR7  
12mm SA&0f&07i  
Spotsize @ 75mm /e :V44  
15.5mm A<l8CWv[  
Spotsize @ 100mm Jm$.$B&I  
19mm YO7Y1(`  
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Samplemode - signal frequency response   0xrr9X<  
Parameter zbK=yOIOd  
f3db(1) k\$))<3  
Gain 1 w2!G"o
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DC –20 kHz $&/JY  
Gain 2 R>SS\YC'X  
DC –50 kHz \Zz"%i  
Gain 3 z+I'N4*^  
DC –120 kHz t!QuM_i3  
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Measurementspecification }&D~P>1
 
Parameter C,7d  
Range _#@n^c  
Accuracy :;W[@DeO[  
Lightlevel [cd/m O*{<{3  
2 =!T@'P?  
]       Repeatability (2)     Speed [samples/sec] (2) F8M&.TE_3  
Luminance(Y) '?dO[iQ$:  
(integratingmode) :)VO,b~r  
0.005– 15,000 cd/m2 OV3l)73?t  
integrationtime aTS\NpK&  
between1ms and 5 wqB{cr}!  
seconds "s!!\/^9C  
±4% of measuredvalue. P8!ON=  
Measuredat white image of LED LCD display. 4k/B=%l  
Luminance~150 cd/m2; eJA$J=^R;  
0.1 {Q],rv|;  
±0.20% _+PiaJ&'  
4-10 I^"ouM9}Q  
1 zaWy7@?  
±0.10% !z">aIj\6  
10-20 %B?@le+%  
5 -&4>>h9_  
±0.05% #HFB*>  
20-100 ;6S,|rC]  
>150 JPQWRK^  
±0.03% Py*( %  
20-100 HT&CbEa4'  
Luminance(Y) ~hK7(K  
(samplingmode) G8=2=/ !  
1 –15,000 cd/m2 MU6|>{  
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±4% of measuredvalue. HVO mM17  
Measuredat white image of LED LCD display. }
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Luminance~150 cd/m2; sd4eJ  
1 I\e?v`e  
±0.20% HJ#3wk"W  
4-10 nOq?Q  
5 hRAI7xk  
±0.10% DfYOGs]@  
10-20 u=_"*
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20 c%1k'Q  
±0.05% mGx!{v~i&  
20-100 \f| Hk*@  
>150 U%%fKL=S  
±0.03% (NfP2E|B  
20-100 ^(z7?T  
Flicker 1Q_  C  
(ContrastMethod) 1ocd$)B|}  
1-15,000cd/m2 @1+C*  
±1% ;R[  xo!  
Flickerfrequency:30Hz AC/DC 10% sine wave @   3#GZ6:rVJ  
10Cd/m e7e6b-"_2  
2 5)h#NkA\J  
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Flicker 6oTWW@  
(JEITAmethod) rJLn=|uR  
1-15,000cd/m2 m]H[$Q  
±1dB ,RmXZnWY  
Flickerfrequency:30Hz AC/DC 10% sine wave @ y?=W  
10Cd/m <Q
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