提供Admesy公司Asteria亮度计

|BhL.  
提供Admesy公司Asteria亮度计 (U$;0`  
xH` VX-X3  
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。 s{7bu|0  
LcA7f'GVK  

图片:Asteria-2.gif

图片:Asteria.gif

u' kG(<0Y  
Asteria亮度计的特性： M~
`
^deU1  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). ;<T,W[3J  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). GNuIcy  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.  
' e!WZvr  
Triggerinput and output for in line applications. h$9ut@I  
Windows,Linux, OSX and embedded systems compatible. =a+  } 6  
SCPIcommand interface for easy integration in other applications. {0+WVZ4u  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. Q;z!]hjBM  
USBTMCstandard compliant. pZ*%zt]-a  
Integrating-or sampling mode available M,kO7g  
3 gainstages for every mode 8BZ&-j{  
Auto-rangefunction   :EYUBtTj  
Usercalibration function and pre-programmed calibration values   &M3KJ I0L  
\5j}6Wj  
Opticalsystem   4bw4!z9G  
Optics W?wt$'  
10mmapperture lens | X#!5u  
Acceptanceangle (xTGt",_Jo  
5(±2.5) degrees. ^[bFGKE  
Spotsize @ 50mm -w"lW7
 
12mm t\YM Hq<Y  
Spotsize @ 75mm kmu`sk"  
15.5mm :/$_eg0
A  
Spotsize @ 100mm 6;s[dw5T  
19mm +rSU  
l. cp[  
Samplemode - signal frequency response   R:Ih#2R  
Parameter #rr!A
pJ  
f3db(1) T fIOS]  
Gain 1 b3 =Z~iLv  
DC –20 kHz I7=A
!C"  
Gain 2 \ %MsG  
DC –50 kHz q
7soV(P  
Gain 3 1\aTA,  
DC –120 kHz /!;v$es S  
[N9yWuc  
Measurementspecification ;P;c!}:\b  
Parameter y4IQa.F  
Range .Oc j|A6  
Accuracy PXtF#,roP  
Lightlevel [cd/m UA~ 4O Q]  
2 xz.M'az\  
]       Repeatability (2)     Speed [samples/sec] (2) ,3-^EfccW  
Luminance(Y) K*,,j\Q.  
(integratingmode) KDGrX[L:6  
0.005– 15,000 cd/m2 uHmvHA~/c8  
integrationtime q`L)^In"  
between1ms and 5 o_k)x3I?  
seconds |s
Fd5X  
±4% of measuredvalue. ns\I Y<Yo  
Measuredat white image of LED LCD display. /)K;XtcN  
Luminance~150 cd/m2; EN/t5d  
0.1  |xg#Q`O  
±0.20% T!41[vm(  
4-10 m`q&[:  
1 sSGXd=":  
±0.10% ]yqE6Lf9  
10-20 } d8\ Jg  
5 QZ;DZMP  
±0.05% <~w3[i=  
20-100 ]e"!ZR?XJ  
>150 X2%(=B  
±0.03% srO>l ;Vf/  
20-100 #Y   
Luminance(Y) YtWw)IK  
(samplingmode) -oUNK}>  
1 –15,000 cd/m2 mDbTOtD  
m]fUV8U  
±4% of measuredvalue. ,tyPZR_  
Measuredat white image of LED LCD display. &s?uMWR  
Luminance~150 cd/m2; hjFht+j
1  
1 X?< L<:.  
±0.20% SVn@q|N  
4-10 kb/BEJ  
5 HOPy&Fp  
±0.10% 5%fWX'mS  
10-20 GU@#\3  
20 yx4pQL7  
±0.05% N#e9w3Rli  
20-100 hqjjd-S0  
>150 e?+-~]0  
±0.03% jg{2Sxf!c  
20-100 u'_}4qhCC;  
Flicker zP2X}VLMo  
(ContrastMethod) !|u?z%  
1-15,000cd/m2 6
hYz^}2g  
±1% M | "'`zc  
Flickerfrequency:30Hz AC/DC 10% sine wave @   ;i?2^xe^~c  
10Cd/m 2;:p H3  
2 a9{NAyl<oo  
u "k< N|.3  
HKT, 5  
Flicker +YW;63"
o  
(JEITAmethod) T=M##`jP%  
1-15,000cd/m2 Y&Fg2_\">  
±1dB `W~  
Flickerfrequency:30Hz AC/DC 10% sine wave @ =*l
BJ-L  
10Cd/m Z^as ?k(iM  
2 qT5"r488