提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 -<M+$hK\  
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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。 w^,Xa  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： b~@+6?  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). OXn-!J90P  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). rmr :G  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   Nbv b_  
Triggerinput and output for in line applications. {L [   
Windows,Linux, OSX and embedded systems compatible. !!w(`kmn1  
SCPIcommand interface for easy integration in other applications. k4E9=y?  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. W=OryEV?  
USBTMCstandard compliant. NytodVZ'3  
Integrating-or sampling mode available G5RdytK  
3 gainstages for every mode .?LRt  
Auto-rangefunction   Q{an[9To~P  
Usercalibration function and pre-programmed calibration values   GSd:Plc%  
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Opticalsystem   G;EJ\J6@Yw  
Optics iyXd"O  
10mmapperture lens ]'w5s d
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Acceptanceangle %b2Hm9r+  
5(±2.5) degrees. B<n[yiJ}  
Spotsize @ 50mm 5(E&jKn&  
12mm L 4Z+8*  
Spotsize @ 75mm (U_HX2f  
15.5mm =6'bGC%c  
Spotsize @ 100mm ck3+A/ !z  
19mm UB
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Samplemode - signal frequency response   xq=!1>  
Parameter {<-wm-]mo  
f3db(1) RDjw|V
 
Gain 1 Z:es7<#y  
DC –20 kHz }^j8<  
Gain 2 e4tC[6;  
DC –50 kHz 'c
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Gain 3 c\&;
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DC –120 kHz v~jm<{={g  
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Measurementspecification y6x./1Nb}<  
Parameter _`p^B%[  
Range p<}y'7(  
Accuracy tE <?L  
Lightlevel [cd/m ]<L~f~vU  
2 pl)?4[`LUc  
]       Repeatability (2)     Speed [samples/sec] (2) }V`_(%Q-e  
Luminance(Y) #8ltV`
 
(integratingmode)  Fq5u%S  
0.005– 15,000 cd/m2 noEl+5uY  
integrationtime $#2<f 6  
between1ms and 5 .k
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seconds 9!Jt}n?!g  
±4% of measuredvalue. Oh>hyY)}  
Measuredat white image of LED LCD display. u86PTp+  
Luminance~150 cd/m2; aDxNAfP  
0.1 uOy/c 8`  
±0.20% <t*<SdAq>`  
4-10 o?Cc  
1 -.ZP<,?@F  
±0.10% ,J-|.ER->  
10-20 j3T)gFP  
5 ,4 _H{+M  
±0.05% kv,!"<  
20-100 yXv@yn  
>150 1#Hr{&2  
±0.03% v+`'%E  
20-100 \~(kGE--+  
Luminance(Y) F]r'j ZL  
(samplingmode) $p&eS_f  
1 –15,000 cd/m2 D!/ 4u0m  
%#eQN ~  
±4% of measuredvalue. =Y6W Qf  
Measuredat white image of LED LCD display. T!>hPg  
Luminance~150 cd/m2; W[ W)q%[)  
1 " zD9R4\X.  
±0.20% O!XSU,  
4-10 sPeTW*HeR  
5 Dm8fcD  
±0.10% Az8ZA~Op=  
10-20 DI2e%`$  
20 I"x|U[*B  
±0.05% T]tu#h{ a  
20-100 c$L1aZo  
>150 VP^Yf_  
±0.03% B@0#*I Rm  
20-100 % XZ&(  
Flicker ztX$kX:_m  
(ContrastMethod) |9IOZ

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1-15,000cd/m2
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±1% i20y\V os?  
Flickerfrequency:30Hz AC/DC 10% sine wave @   qQG? k~r  
10Cd/m ag47$9(  
2 t8h*SHD9  
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Flicker /V/NL#(R  
(JEITAmethod) .74C~{}$  
1-15,000cd/m2 a|oh Ad  
±1dB .r6x9t  
Flickerfrequency:30Hz AC/DC 10% sine wave @ Lw_|o[I}  
10Cd/m ]H}2|~c  
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