提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 4e6x1`Y{xB  
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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。 T5* t~`bfU  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： ,$"*X-1  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). tPv3nh  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). /.54r/FN')  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   i2. +E&3v  
Triggerinput and output for in line applications.  -&N^S?  
Windows,Linux, OSX and embedded systems compatible. 4R 9lA  
SCPIcommand interface for easy integration in other applications. *C/bf)w  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. 0GEM3~~D.?  
USBTMCstandard compliant. 'R'P^  
Integrating-or sampling mode available 7R4sd  
3 gainstages for every mode :c4iXK0_^?  
Auto-rangefunction   Un[olp  
Usercalibration function and pre-programmed calibration values   >3{#S:  
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Opticalsystem   /y8=r"'G  
Optics N4]Sp v  
10mmapperture lens DGR[2C)@N  
Acceptanceangle xEW>7}+\  
5(±2.5) degrees. #%Z 0!  
Spotsize @ 50mm .[%
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12mm =t[hsl  
Spotsize @ 75mm OV@MT^  
15.5mm vBP 5n  
Spotsize @ 100mm U +c?x2\  
19mm )4nf={iM  
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Samplemode - signal frequency response   z|KQiLza
 
Parameter &@g~o0  
f3db(1)
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Gain 1 ^("23mhfJ  
DC –20 kHz \nfjz\"R?b  
Gain 2 f*Z8C9)  
DC –50 kHz
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Gain 3 caG5S#8-"  
DC –120 kHz $#z ` R;  
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Measurementspecification Fe r&X  
Parameter SRU}-  
Range [-ONs
 
Accuracy Th\
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Lightlevel [cd/m h>w(Th\H  
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]       Repeatability (2)     Speed [samples/sec] (2) Yz%AKp  
Luminance(Y) ~
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(integratingmode) *Z9Rl>  
0.005– 15,000 cd/m2 U z*7J  
integrationtime <\44%M"iC-  
between1ms and 5 g1!ek  
seconds !6`pq  
±4% of measuredvalue. =d+~l  
Measuredat white image of LED LCD display.
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Luminance~150 cd/m2; =,MX%-2  
0.1 W"{:|'/v  
±0.20% =c(t;u6
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4-10 sKg IKYG}T  
1 U"qR6  
±0.10% K2Z]MpLD  
10-20 \!51I./Q/  
5 GbXa=* <-<  
±0.05% a)o-6  
20-100 !#NGGIp;  
>150 E;o "^[we  
±0.03% 8|cQW-L  
20-100 nB|m!fi<  
Luminance(Y) b41
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(samplingmode) bMA\_?  
1 –15,000 cd/m2 d`w3I`P1  
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±4% of measuredvalue. pdw;SIoC  
Measuredat white image of LED LCD display. j7XUFA  
Luminance~150 cd/m2; RJ+["[k  
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±0.20% dED&-e#  
4-10 VYo2m  
5 (r
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±0.10% 2Wx~+@1y  
10-20 MnPk+eNJm  
20 l-gNJ=l+K  
±0.05% nb30<h  
20-100 E,}(jAq7  
>150 G m~2s;/  
±0.03% ev4f9Fhu  
20-100 b(HbwOt~3  
Flicker eZ G#op  
(ContrastMethod) /8O;Q~a  
1-15,000cd/m2 )azK&f@tR|  
±1% gebDNl\Y2  
Flickerfrequency:30Hz AC/DC 10% sine wave @   qS!U1R?s  
10Cd/m Ivx]DXR|  
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Flicker 2v\<MrL  
(JEITAmethod) c}G\F$  
1-15,000cd/m2 v.!e1ke8D*  
±1dB yEPkF0?  
Flickerfrequency:30Hz AC/DC 10% sine wave @ ]kir@NMv>  
10Cd/m qa>H@`P  
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