提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 qojXrSb"y  
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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。 Jn}n*t3  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： g$37;d3Tx  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). ;6;H*Y0,|E  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). s'I)A^i+  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   EYzg%\HH  
Triggerinput and output for in line applications. eBr4O i  
Windows,Linux, OSX and embedded systems compatible. 6DF  
SCPIcommand interface for easy integration in other applications. m9$:9yRm  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. xp \S2@<  
USBTMCstandard compliant. %|Qw9sbd  
Integrating-or sampling mode available ^JeMuU  
3 gainstages for every mode mB55PYA  
Auto-rangefunction   "PWl4a&  
Usercalibration function and pre-programmed calibration values   a' FN 3  
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Opticalsystem   d.F)9h]XHO  
Optics 'Z!Ga.I  
10mmapperture lens 7qIB7_K5  
Acceptanceangle  $g8}^1  
5(±2.5) degrees. A*]$
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Spotsize @ 50mm :R6Q=g=  
12mm C".1+Um  
Spotsize @ 75mm 6vs3O  
15.5mm v|t{1[C  
Spotsize @ 100mm rz
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19mm zQ)+/e(8  
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Samplemode - signal frequency response   [=M%  
Parameter ]KK`5Dv|,e  
f3db(1) P~7.sM  
Gain 1 I44s(G1jl  
DC –20 kHz %_)zWlN  
Gain 2 Cnh|D^{s  
DC –50 kHz *o?i:LE]  
Gain 3 F1W+o?B  
DC –120 kHz ^$?qT60%d|  
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Measurementspecification Ej
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Parameter ]#eh&jw  
Range nYw\'c  
Accuracy :hqZPajE  
Lightlevel [cd/m pO/%N94s  
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]       Repeatability (2)     Speed [samples/sec] (2) MK$Jj"  
Luminance(Y) N+Sq}hI  
(integratingmode) oN,s.Of  
0.005– 15,000 cd/m2 M}FWBs'*|  
integrationtime 'CV^M(o'9  
between1ms and 5 DZ`k[Z.VZ  
seconds ! q6hC  
±4% of measuredvalue. oK+Lzb\d{M  
Measuredat white image of LED LCD display. sg?@qc=g  
Luminance~150 cd/m2; lgD]{\O$ip  
0.1 \ aKd5@  
±0.20% 3VO:+mT  
4-10 <0j{ $.  
1 F?]N8W  
±0.10% 7sV/_3H+  
10-20 x mo&![P  
5 B
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±0.05% xy^1US,L1  
20-100 otriif@+Z  
>150 S!dHNA:iU  
±0.03% mnQ'X-q3iO  
20-100 o
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Luminance(Y) 9M2f!kJP$  
(samplingmode) ^#SBpLw  
1 –15,000 cd/m2 {*xBm#  
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±4% of measuredvalue. PdE>@0X?M  
Measuredat white image of LED LCD display. 0s%6n5>  
Luminance~150 cd/m2; 8&(-8  
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±0.20% :JV\){P  
4-10 dr]&kqm  
5 19I:%$U3  
±0.10% OgMI  
10-20 2VYvO=KA  
20 gGbI3^r#  
±0.05% r%-n*_?.s  
20-100 #5{sglC"|F  
>150 #93}E Y  
±0.03% P;GprJ`l  
20-100 Vyt E  
Flicker u4"r>e6_B  
(ContrastMethod) U$J5r+>  
1-15,000cd/m2 otq,R6 ^  
±1% bXvbddu)}  
Flickerfrequency:30Hz AC/DC 10% sine wave @   SaNN;X0  
10Cd/m ~3 @*7B5Q  
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Flicker Phlk1*1n  
(JEITAmethod) p7[(z  
1-15,000cd/m2 n~%}Z[5D  
±1dB dXZP[K#  
Flickerfrequency:30Hz AC/DC 10% sine wave @ cjY@Ot*i$  
10Cd/m )%#?3X^sI  
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