提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 n*[ZS[I  
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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。 >#h,q|B  
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Asteria亮度计的特性： oXZWg~&l^  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). o(tJc}Mh+(  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). vv)q&,<c  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   `oMZ9Gq2E  
Triggerinput and output for in line applications. lf-.c$.>  
Windows,Linux, OSX and embedded systems compatible. t^&hG7L_m,  
SCPIcommand interface for easy integration in other applications. .s\lfBo9  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. H^'%$F?Ss  
USBTMCstandard compliant. 1tY
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Integrating-or sampling mode available oaj.5hM  
3 gainstages for every mode >a975R*g  
Auto-rangefunction   #H6YI3 `G  
Usercalibration function and pre-programmed calibration values   |Ua);B~F  
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Opticalsystem   N_92,xI#  
Optics ;gL{*gR]S  
10mmapperture lens `%\CO`  
Acceptanceangle ,x\qYz+7|  
5(±2.5) degrees. jTS8 qu  
Spotsize @ 50mm *C55DO^w  
12mm oLkzLJ  
Spotsize @ 75mm 3[Q7'\  
15.5mm .-YE(}^  
Spotsize @ 100mm GG%;~4#2  
19mm >K'dgJ245  
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Samplemode - signal frequency response   @q!T,({kx  
Parameter b"\lF1Nf&o  
f3db(1) a=W%x{  
Gain 1 5BA:^4zr?  
DC –20 kHz i=/hLE8T*  
Gain 2 dA~_[x:Z  
DC –50 kHz bj`GGxzOb  
Gain 3 v#gXXO[P1  
DC –120 kHz l[~$9C'ji  
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Measurementspecification gdCit-3  
Parameter jW7ffb `O  
Range }J?,?>Z  
Accuracy CA|l| t^  
Lightlevel [cd/m "'t f]s  
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]       Repeatability (2)     Speed [samples/sec] (2) ,8zJD&HMx  
Luminance(Y) n;Mk\*Cg  
(integratingmode) 5=*i!c _m  
0.005– 15,000 cd/m2 uhj]le!  
integrationtime A3.I|/  
between1ms and 5 Jqzw94  
seconds 4Y'Ne2M{  
±4% of measuredvalue. dfAw\7v/  
Measuredat white image of LED LCD display. $S' TW3  
Luminance~150 cd/m2; '+Jy//5?  
0.1 W;8A{3q%N0  
±0.20% ^>%.l'1/(  
4-10 @-K[@e/uwy  
1 XzI
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±0.10% #yIHr&'oX  
10-20 pq
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5 7C
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±0.05% fn/?I\  
20-100 /$clk=  
>150 p*<I_QM!  
±0.03% Z796;qk  
20-100 EKO'S+~  
Luminance(Y) tBkgn3w  
(samplingmode) CT_tJ  
1 –15,000 cd/m2 phG*It}  
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±4% of measuredvalue. 6|'7Mr~\  
Measuredat white image of LED LCD display. W%5))R$  
Luminance~150 cd/m2; wZ0bD&B  
1 U:99w  
±0.20% oQpGa>6U&  
4-10 L8n?F#q  
5 cQxUEY('+  
±0.10% 66-\}8f8a  
10-20 "*/IP9?]  
20 ~$>JYJj  
±0.05% q{}5wM  
20-100 Lj|wFV  
>150 1p5'.~J+Q  
±0.03% h3.CvPYy1  
20-100 pRh9+1EM;  
Flicker L|<j/bP  
(ContrastMethod) (X^,.qy  
1-15,000cd/m2 sqpo5~  
±1% x>mI$K(6M  
Flickerfrequency:30Hz AC/DC 10% sine wave @   gnzg(Y]5w  
10Cd/m '/XP4B\(E  
2 '\d ldg#P  
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Flicker SIm1fC  
(JEITAmethod) ]v5/K  
1-15,000cd/m2 "oiN8#Hf  
±1dB sZ&6g<8#y  
Flickerfrequency:30Hz AC/DC 10% sine wave @ Fab]'#1q4  
10Cd/m KF(y`(8f  
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