提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 5<0&y3  
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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。 =EA*h_"q9  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： ypSW9n  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). uosFpa  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). rn"'tvhm  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   U,_uy@fE=?  
Triggerinput and output for in line applications. d OQU#5  
Windows,Linux, OSX and embedded systems compatible. 7hlgm7^  
SCPIcommand interface for easy integration in other applications. WZOi,  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. d3v5^5kU  
USBTMCstandard compliant. dq+VW}[EO  
Integrating-or sampling mode available 82n
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3 gainstages for every mode Eaf6rjD  
Auto-rangefunction   Ghs{B8  
Usercalibration function and pre-programmed calibration values   'vq-~y5^#  
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Opticalsystem   sOhQu>gN  
Optics s"7wG!yf  
10mmapperture lens fI9 TzpV  
Acceptanceangle :P1 J>dcG  
5(±2.5) degrees. JL5 )  
Spotsize @ 50mm %SaC[9=?  
12mm OSY$qL2  
Spotsize @ 75mm 9lbe[w@  
15.5mm b_+dNoB  
Spotsize @ 100mm 2Dgulx5kGZ  
19mm >k)}R|tJ  
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Samplemode - signal frequency response   u(iEuF;7  
Parameter h;?=:(  
f3db(1) *p0n{F9  
Gain 1 P1tc*2Z  
DC –20 kHz FH:^<^M  
Gain 2 dtD)VNkBZ  
DC –50 kHz ByqB4Hv2  
Gain 3 -LI^(_  
DC –120 kHz q$6fb)2I]e  
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Measurementspecification wQ]!Y?I  
Parameter Y7g
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Range kcGs2Y_*&  
Accuracy ^NwXvp>7-  
Lightlevel [cd/m \Jq$!foYx  
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]       Repeatability (2)     Speed [samples/sec] (2) s$ZzS2d  
Luminance(Y) :$4 atm  
(integratingmode) /R\]tl#2j  
0.005– 15,000 cd/m2 KKB&)R  
integrationtime EX zA(igS  
between1ms and 5 b|F4E{{D^  
seconds Qa-]IKOs  
±4% of measuredvalue. s~(!m. R  
Measuredat white image of LED LCD display. U-!
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Luminance~150 cd/m2; 4JV/Ci5  
0.1 T:k-`t0":N  
±0.20% GF]V$5.ps  
4-10 LE$_qX`L  
1 ^~\cx75D  
±0.10% 6?GR+;/  
10-20 hr9rI  
5 a k&G=a6^  
±0.05% cXP*?N4Cf  
20-100 I2"
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>150 K`}8fU  
±0.03% 9C9>V]  
20-100 ai|d`:;  
Luminance(Y) _ zM/>Qa  
(samplingmode) j8gw]V/B:  
1 –15,000 cd/m2 i~1bfl   
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±4% of measuredvalue. zb<YYJ]  
Measuredat white image of LED LCD display. 6jS:_[p  
Luminance~150 cd/m2; /~=W3lhY  
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±0.20% bp"@vlv  
4-10 l}\q }7\)  
5 !Miw.UmPm  
±0.10% _4~'K?  
10-20 =Rv!c+?  
20 /XEt2,sI9  
±0.05% Z]VmTB  
20-100 YS$42J_T  
>150 _p<]
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±0.03% $"#2hVO  
20-100   %4  
Flicker v>S[}du  
(ContrastMethod) J9buf}C[  
1-15,000cd/m2 uB&um*DP  
±1% Tw`n3y?  
Flickerfrequency:30Hz AC/DC 10% sine wave @   VH*4fcT'D  
10Cd/m Lt8J^}kwl  
2 V@%:y tDf  
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#H8% BZyV  
Flicker ]|6)'L&]*s  
(JEITAmethod) hzR1O(  
1-15,000cd/m2 TDqH"q0  
±1dB qhE1 7Hf  
Flickerfrequency:30Hz AC/DC 10% sine wave @ mT:Z!sS  
10Cd/m A.[~}ywH  
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