提供Admesy公司Asteria亮度计

GJF &id  
提供Admesy公司Asteria亮度计 M3r;Pdj2r  
k5Su&e4]]  
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。 P3nBxw"  
GWv i  

图片:Asteria-2.gif

图片:Asteria.gif

Vf
ozqUf  
Asteria亮度计的特性： i.\ e/9]f  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). P#D|CP/Cu  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). Q>71uM%e`  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   =2}V=E/85  
Triggerinput and output for in line applications. 8H|ac[hXK2  
Windows,Linux, OSX and embedded systems compatible. JKy~'>Q  
SCPIcommand interface for easy integration in other applications. 6OoOkN
WF  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. Pm,.[5uc  
USBTMCstandard compliant. k SgE_W)  
Integrating-or sampling mode available _?bO /y_y  
3 gainstages for every mode /4@ [^}x  
Auto-rangefunction   O<E8,MCA[a  
Usercalibration function and pre-programmed calibration values   xP/q[7>#Q  
Y6Ux*vhK  
Opticalsystem   aNA]hl  
Optics e\O-5hp7  
10mmapperture lens XMdCQ=  
Acceptanceangle _GrifGU\  
5(±2.5) degrees. %ZX9YuXQ  
Spotsize @ 50mm (.X)=  
12mm jOzi89  
Spotsize @ 75mm (=%0$(S>  
15.5mm 57=d;Yg e  
Spotsize @ 100mm ib~i ^_p  
19mm 'GT^araz  
]^T-X/v9  
Samplemode - signal frequency response   /V63yzoY  
Parameter w`=O '0d  
f3db(1) Sc/$2gSG  
Gain 1 fx>U2  
DC –20 kHz 53gLz_ee  
Gain 2 >oO]S]W  
DC –50 kHz 3zu6#3^  
Gain 3 P+=m.  
DC –120 kHz GdY@$&z{i  
O6v
xp?:^  
Measurementspecification P|Gwt&  
Parameter >]_^iD]*t  
Range L`X5\D'X  
Accuracy SOn)'!g  
Lightlevel [cd/m 3u&,3:  
2 e([>sAx!1  
]       Repeatability (2)     Speed [samples/sec] (2) 9 M%Gnz  
Luminance(Y) Pq8oK'z-  
(integratingmode) 9t6c*|60#n  
0.005– 15,000 cd/m2 H%gAgXHn  
integrationtime n:2._s T  
between1ms and 5 {u2Zl7]z^  
seconds g(;OUkj$Zp  
±4% of measuredvalue. ~LZrhwVj$  
Measuredat white image of LED LCD display. MkL2I+*  
Luminance~150 cd/m2; dR;N3KwY  
0.1 74MxU  
±0.20% DBL@Mp[<  
4-10 |w54!f6w_  
1 ~J&-~<%P}  
±0.10% p6K
~b  
10-20 0c`nk\vUy  
5 6/5,n0  
±0.05% T!ZjgCY}  
20-100 8'jt59/f  
>150 xPPA8~Dm*  
±0.03% u!5q)>Wt(  
20-100 MP)Prl>  
Luminance(Y) x,.=VB  
(samplingmode) #v<`|_  
1 –15,000 cd/m2 $ P5K  
K) fKL   
±4% of measuredvalue. CuvY^["
 
Measuredat white image of LED LCD display. ZTV)D  
Luminance~150 cd/m2; |Z{#DOT  
1 HY FMf3  
±0.20% yn_f%^!G  
4-10 BDvkY  
5 s_XCKhN:  
±0.10% rKUtTj  
10-20 hxH6Ii]\  
20 #}+H  
±0.05% cWZITT{A  
20-100 |oLGc!i  
>150 4 ZnQpKg  
±0.03% kSzap+nB?  
20-100 sTl^j gV7j  
Flicker -^2p@^  
(ContrastMethod) vj%"x/TP  
1-15,000cd/m2 _ia&|#n  
±1% IDT\hTPIs  
Flickerfrequency:30Hz AC/DC 10% sine wave @   q i yK  
10Cd/m L6PgWc;m  
2 v:QUwW  
Nh}-6|M  
;_c&J&I  
Flicker
&)tiO>B^6  
(JEITAmethod) bE.<vF&  
1-15,000cd/m2 or3OLBf*Q  
±1dB 5=I({=/>  
Flickerfrequency:30Hz AC/DC 10% sine wave @ #p>&|
I  
10Cd/m PL{lYexJ  
2 x-k-Pd