提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 \?r$&K]4  
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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。 P`z7@9*j  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： o}d2N/T  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). " S ?Km  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). f>|9 l  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   ysL0hwir  
Triggerinput and output for in line applications. F{kG  
Windows,Linux, OSX and embedded systems compatible. m\l51}xz  
SCPIcommand interface for easy integration in other applications. f(^33k  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. *h>OW  
USBTMCstandard compliant. bJANZn|H  
Integrating-or sampling mode available Zp^)_ 0  
3 gainstages for every mode pb~Ps#"Zg  
Auto-rangefunction   z9I1RXV  
Usercalibration function and pre-programmed calibration values   PQ6T|>  
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Opticalsystem   8u4gx<;O  
Optics "$# $f  
10mmapperture lens }<E sS  
Acceptanceangle loml.e=87  
5(±2.5) degrees. owP6dtd)  
Spotsize @ 50mm lkI8{  
12mm e!TG< (S  
Spotsize @ 75mm ^H f+du  
15.5mm 1!K!oY  
Spotsize @ 100mm FEge
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19mm wa9'2a1?  
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Samplemode - signal frequency response   B)_!F`9  
Parameter l=Vowx.$2f  
f3db(1)  "Nk`RsW  
Gain 1 ?FkQe~FN{  
DC –20 kHz ,{#RrF e  
Gain 2 d,Im&j_Z  
DC –50 kHz 9\\@I =;  
Gain 3 ZE5-i@1  
DC –120 kHz +OV%B .  
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Measurementspecification <P?3GT/  
Parameter ~ex~(AWh  
Range BaNU}@  
Accuracy `
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Lightlevel [cd/m u*#-7   
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]       Repeatability (2)     Speed [samples/sec] (2) G_7ks]u-  
Luminance(Y) _47j9m]f  
(integratingmode) /6Jy'"+'0  
0.005– 15,000 cd/m2 j]cXLY  
integrationtime d()zW7}W  
between1ms and 5 mR!&.R?  
seconds WrIL]kJw^  
±4% of measuredvalue. +73=2.C0  
Measuredat white image of LED LCD display. `\WcF7  
Luminance~150 cd/m2; ba1$kU  
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±0.20% A*-]J=:E {  
4-10 rU2YMghE  
1 [qjAq@@N#q  
±0.10% O?4vC5x  
10-20 5<:VJC<  
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±0.05% } Y7W1$he  
20-100 o[
Wagg.%  
>150 N4Fy8qU;  
±0.03% T9U2j-lA?  
20-100 5;sQ@  
Luminance(Y) Cnc\sMDJ\B  
(samplingmode) ]IbPWBX  
1 –15,000 cd/m2 D=q;+,Pc  
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±4% of measuredvalue. 1b %T_a  
Measuredat white image of LED LCD display. |R &3/bEr  
Luminance~150 cd/m2; \h'E5LO  
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±0.20% 7B:ZdDj  
4-10 8R??J>h5\  
5 Ndug9j\2  
±0.10% [iO$ c]!H  
10-20 [Q.4]K2  
20 F`ZIc7(.{  
±0.05% ftI+#0?[!  
20-100 q|]0on~]  
>150 HN~v&,  
±0.03% ;
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20-100 >`rNT|rg  
Flicker +~i+k~{`H  
(ContrastMethod) hB GGs  
1-15,000cd/m2 !>Qc2&ZV  
±1% 5qtmb4R~  
Flickerfrequency:30Hz AC/DC 10% sine wave @   @7[.>I(  
10Cd/m u8k{N  
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Flicker ~&j`9jdOj  
(JEITAmethod) (Q+:N;  
1-15,000cd/m2 _{Q?VQvZ  
±1dB ,wb|?
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Flickerfrequency:30Hz AC/DC 10% sine wave @ v(Zi;?c  
10Cd/m yzM+28}L<I  
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