提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 'b-}KDP  
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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。 rA9"CN  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： NK#f Gz*,(  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). \=.i
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Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). =4?m>v,re  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   GSk;~^l  
Triggerinput and output for in line applications. XRZmg "  
Windows,Linux, OSX and embedded systems compatible. WKN\*N<  
SCPIcommand interface for easy integration in other applications. FsD}Nk=m~  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. lOVsp#  
USBTMCstandard compliant. Gv<K#@9T  
Integrating-or sampling mode available zgLm~  
3 gainstages for every mode U5" C"+ 3  
Auto-rangefunction   +~7@K{6q-  
Usercalibration function and pre-programmed calibration values   f;QWlh"9  
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Opticalsystem   d8av`m  
Optics v,kedKcxv'  
10mmapperture lens 5{{u #W%=  
Acceptanceangle )jnxR${M  
5(±2.5) degrees. q K]Wk+  
Spotsize @ 50mm t; "o,T  
12mm 4PNl3N3,n  
Spotsize @ 75mm `a] /e  
15.5mm fk=_ Y  
Spotsize @ 100mm iMF:~H-Yq#  
19mm d<xBI,g
  
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Samplemode - signal frequency response   pm^[ve  
Parameter &ceZu=*  
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Gain 1 3rs=EMz:w  
DC –20 kHz
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Gain 2 Tf` ~=fg%  
DC –50 kHz 7GpSWM6  
Gain 3 V0"UFy?i  
DC –120 kHz <wa}A!fu  
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Measurementspecification B|#"dhT  
Parameter DT;Hr4Z8^"  
Range ,myl9s  
Accuracy uS3J^=>@(a  
Lightlevel [cd/m Nn+le
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]       Repeatability (2)     Speed [samples/sec] (2) D[ny%9 :  
Luminance(Y) T~_+\w  
(integratingmode)
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0.005– 15,000 cd/m2 7h,SX]4Q  
integrationtime a>6!?:Rj  
between1ms and 5 qHklu2_%  
seconds //g~1(  
±4% of measuredvalue. Q@nxGm  
Measuredat white image of LED LCD display. g?)9zJ9  
Luminance~150 cd/m2; v:eVK!O  
0.1 xrp%b1Sy  
±0.20% ! p458~|  
4-10 [T.kwQf4$  
1 +!CG'qyN>  
±0.10% c=h{^![$  
10-20 aOETmsw  
5 _=}Efy7  
±0.05% )Yy`$`  
20-100 eE+zL~CE  
>150 [P
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±0.03% (ybKACx  
20-100 S!0<aFh  
Luminance(Y) L6O*aZ|  
(samplingmode) 8W9kd"=U  
1 –15,000 cd/m2 ^F/N-!}q  
Quqts(Q)+  
±4% of measuredvalue. NN>,dd3T  
Measuredat white image of LED LCD display. [g`
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Luminance~150 cd/m2; LY-
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1 `a*[@a#  
±0.20% k7'_  
4-10 mY+Jju1  
5 g kT`C
  
±0.10% 'D;v>r  
10-20 jA?A)YNQb  
20 c=0S]_  
±0.05% l q~^&\_#  
20-100 g:7S/L0]  
>150 eF823cH2x_  
±0.03% f![?og)I%  
20-100 g ]e^;  
Flicker tt$DWmm  
(ContrastMethod) n<+g{QHi  
1-15,000cd/m2 s3Pr
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±1% T@ (MSgp9  
Flickerfrequency:30Hz AC/DC 10% sine wave @   KmG*`Es  
10Cd/m n6Je5fE  
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Flicker o$)pJ#";F  
(JEITAmethod) 9)9p<(b$  
1-15,000cd/m2 fkbHfBp[(A  
±1dB >4 4A  
Flickerfrequency:30Hz AC/DC 10% sine wave @ c6.S jV  
10Cd/m |`B*\\1  
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