提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 v >NTh  
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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。 aC4m{F[  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： vRxL&8`&  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). aK-N}T  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). WVj&0  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   )2/b$i,JKk  
Triggerinput and output for in line applications. I ;l`VtD  
Windows,Linux, OSX and embedded systems compatible. D8W(CE^}  
SCPIcommand interface for easy integration in other applications. wH#Lb@cfZ0  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. rtoSCj:  
USBTMCstandard compliant. R+C+$?4NG  
Integrating-or sampling mode available X9SJ~n  
3 gainstages for every mode ;B(;2.<"J  
Auto-rangefunction   ]D?oQ$q7  
Usercalibration function and pre-programmed calibration values   -B",&yTV  

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Opticalsystem   &MBOAHhze  
Optics 9 4 "f  
10mmapperture lens ?NQD#  
Acceptanceangle A=y24m  
5(±2.5) degrees. >Y44{D\`  
Spotsize @ 50mm +W!'B
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12mm zR_9D}  
Spotsize @ 75mm qEPf-O:lm  
15.5mm E\W;:p,{A  
Spotsize @ 100mm Gt?!E6^!  
19mm _$~ex ~v  
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Samplemode - signal frequency response   X*(gT1"
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Parameter 'Wd3`4V$  
f3db(1) 9(V=Ubj  
Gain 1 &?&'"c{;m  
DC –20 kHz Be'?#Qe   
Gain 2 `1}HWLBX.  
DC –50 kHz iLc)"L-i  
Gain 3 a>#d=.  
DC –120 kHz -<u- +CbuT  
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Measurementspecification Q5T(;u6  
Parameter H!Fr("6}  
Range EY=\C$3J:  
Accuracy 17?NR\Q  
Lightlevel [cd/m RI7qsm6RN  
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]       Repeatability (2)     Speed [samples/sec] (2) R;5QD`  
Luminance(Y) mg/C Ux  
(integratingmode) ^d5gz0d  
0.005– 15,000 cd/m2 $sB48LJuU'  
integrationtime Te{aB"B  
between1ms and 5
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seconds e)fJd*P  
±4% of measuredvalue. {m1t~ S  
Measuredat white image of LED LCD display. UtHmM,*I  
Luminance~150 cd/m2; i!/h3%=  
0.1 1t} (+NNjH  
±0.20% !07FsPI#{  
4-10 ~)oWSo5ll  
1 b7F3]W<`&  
±0.10% zM3H@;}m  
10-20 0`aHwt/F  
5 P"[ifsp  
±0.05% f z/?=  
20-100 *)}Ap4[  
>150 8VBkIYgb  
±0.03% fD]An<  
20-100 HZ[68T[8b  
Luminance(Y) QBN=l\m+  
(samplingmode) *;V2_fWJ@  
1 –15,000 cd/m2 .j+2x[`l  
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±4% of measuredvalue. ,& \&::R  
Measuredat white image of LED LCD display. q_%w l5\F  
Luminance~150 cd/m2; W? 6  
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±0.20% PG-cu$\??  
4-10 iPtm@f,bI  
5 !Ed<xG/  
±0.10% iYmzk?U  
10-20 {U+9,6.`  
20 ?()E5 4y  
±0.05% wKeSPs{x  
20-100 qU /W
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>150 hz>yv@1  
±0.03% \|b1s @c8  
20-100 2=Vkjh-  
Flicker 0YsN82IDD  
(ContrastMethod) [4+a 1/^  
1-15,000cd/m2 }X W#?l  
±1% "c
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Flickerfrequency:30Hz AC/DC 10% sine wave @   ^0,&R\e+  
10Cd/m p1`'1`.3  
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Flicker B2Awdw3=g  
(JEITAmethod) tr67ofld|  
1-15,000cd/m2 q}7Df!<|  
±1dB 9O0  
Flickerfrequency:30Hz AC/DC 10% sine wave @ EssUyF-jwU  
10Cd/m )eedfb1
  
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