提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 cUy6/x9&  
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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。
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： rp1u  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). MuO>O97  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). GXHk{G@TS  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   N8nyTPw  
Triggerinput and output for in line applications. C($`'~b  
Windows,Linux, OSX and embedded systems compatible. ^k-H$]  
SCPIcommand interface for easy integration in other applications. P, S9gG9  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. h+
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USBTMCstandard compliant. ?94da4p  
Integrating-or sampling mode available =#+Z KD  
3 gainstages for every mode '0o`<xW  
Auto-rangefunction   ,:L}S03k  
Usercalibration function and pre-programmed calibration values   ?W(wtp,o  
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Opticalsystem   vys*=48g  
Optics nh E!Pk  
10mmapperture lens *~:@xMa  
Acceptanceangle
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5(±2.5) degrees. h_A}i2/{  
Spotsize @ 50mm }]n&"=Zk-  
12mm C]r$  
Spotsize @ 75mm G:@gO2(D  
15.5mm O-&n5  
Spotsize @ 100mm slPFDBx  
19mm h hdn9n  
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Samplemode - signal frequency response   @nZFw.  
Parameter b1 KiO2 E  
f3db(1) }RoM N$r  
Gain 1 fqZ!Bi  
DC –20 kHz PD/~@OsxU  
Gain 2 Gwvs~jN  
DC –50 kHz U}qW9X;o  
Gain 3 H-rf?R2  
DC –120 kHz [tBIABr  
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Measurementspecification +h9CcBd  
Parameter ]X-ZRmB`  
Range -}N{'S,Bp  
Accuracy R=9j+74U  
Lightlevel [cd/m 9#3+k/A  
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]       Repeatability (2)     Speed [samples/sec] (2) chiQ+  
Luminance(Y) N.
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(integratingmode) >?tcL*  
0.005– 15,000 cd/m2 | z('yy$  
integrationtime ~w$8*2D  
between1ms and 5 {{ wVM:1  
seconds p jrA:;  
±4% of measuredvalue. r^\^*FD |  
Measuredat white image of LED LCD display. c?opVbJB\  
Luminance~150 cd/m2; dj]sr!q+  
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±0.20% I|`K;a  
4-10 6dinC <[}  
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±0.10% .z{7 rH  
10-20 8XY4  
5 |]I?^:I
 
±0.05% \]r{73C  
20-100 De^is^{  
>150 F\]rxl4(L  
±0.03% O}KT>84M  
20-100 $h$+EE!  
Luminance(Y) \XpPb{:>  
(samplingmode) n&Al~-Q:^  
1 –15,000 cd/m2 F*NIs:3;  
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±4% of measuredvalue. 'l;?P
 
Measuredat white image of LED LCD display. r[?rwc^  
Luminance~150 cd/m2; [@\f 0R  
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±0.20% ,)QmQ^/  
4-10 ]-AT(L>  
5 g`Rs;  
±0.10% fNK~z*  
10-20 wo_FM `@  
20 sF|$oyDE  
±0.05% Q \{\uJ x  
20-100 ^%<v| Y(X  
>150 '@:;oe@]  
±0.03% L@2H>Lh35  
20-100 ZPMEN,Dw  
Flicker v\HGL56T  
(ContrastMethod) Y]n^(V  
1-15,000cd/m2 i/$lOde  
±1% PuOo^pFhH  
Flickerfrequency:30Hz AC/DC 10% sine wave @   G!Uq
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10Cd/m ~M\s!!t3  
2 
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Flicker Z os~1N]3  
(JEITAmethod) d)0%|yX6  
1-15,000cd/m2 M.128J+xfS  
±1dB V~+Unn  
Flickerfrequency:30Hz AC/DC 10% sine wave @ t]vz+VQ  
10Cd/m |MRxm"]A   
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