提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 .zJZ*\2ob  
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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。 9n3.Ar  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： Lnl-
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Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). s~I#K[[5  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). x' 3kHw  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   ?9z1'6  
Triggerinput and output for in line applications. N&W7g#F  
Windows,Linux, OSX and embedded systems compatible. rTeADu_vf  
SCPIcommand interface for easy integration in other applications. w)}@svv"  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. sP%J`L@h  
USBTMCstandard compliant. e!4Kl:  
Integrating-or sampling mode available  \>e>J\t:  
3 gainstages for every mode pF:C  
Auto-rangefunction   DjiWg(X  
Usercalibration function and pre-programmed calibration values   31mlnDif  
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Opticalsystem   '>% c@C[  
Optics )GJlQ1x  
10mmapperture lens -raZ6?Zjc  
Acceptanceangle $#
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5(±2.5) degrees. 2/l4,x  
Spotsize @ 50mm AKAxfnaR  
12mm ?$4CgN-  
Spotsize @ 75mm w%kaM=  
15.5mm ^I!gteU;  
Spotsize @ 100mm u6P U(f  
19mm o6S`7uwJ*/  
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Samplemode - signal frequency response   UG,n
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Parameter $)7Af6xD  
f3db(1) ~#iAW@  
Gain 1 jHc/ EZB  
DC –20 kHz [.4D<}e  
Gain 2 #EO],!JM  
DC –50 kHz 15!b]':  
Gain 3 4\2~wS
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DC –120 kHz 2Zw]Uu`sb  
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Measurementspecification GoG_4:^#h  
Parameter +Z%8X!Q  
Range S3YAc4  
Accuracy #pX+~{  
Lightlevel [cd/m t($z+C<  
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]       Repeatability (2)     Speed [samples/sec] (2) w7_2JS  
Luminance(Y) 8?k.4{?  
(integratingmode) hFt~7R  
0.005– 15,000 cd/m2 XOJ@-^BX  
integrationtime "
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between1ms and 5 X]t *  
seconds ,NQ>,}a0  
±4% of measuredvalue. bl;v^HR0)  
Measuredat white image of LED LCD display. o`[X _  
Luminance~150 cd/m2; 3S1`av(tD  
0.1 LY(h>`  
±0.20% WFpR@53Db  
4-10 &bS!>_9  
1 W
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±0.10% Jf8AKj3  
10-20 {X>U`0P  
5 69/qH_Y  
±0.05% .@]M'S^1  
20-100 c)=UX_S!  
>150 .;~K*GC  
±0.03% ]lzOz<0q  
20-100 .AZ+|?d  
Luminance(Y) g3,F+  
(samplingmode) Q*AgFF%wn  
1 –15,000 cd/m2 WnC0T5S?U  
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±4% of measuredvalue. +l_$}UN  
Measuredat white image of LED LCD display. &0S/]E`_M  
Luminance~150 cd/m2; %uhhQ<zs%  
1 )ur&Mnmm  
±0.20% sOW,hpNW  
4-10 _7w2E   
5 &,@wLy^T  
±0.10% )Z2t=&Nw  
10-20 {p@uj_pS  
20 esQRg~aCGy  
±0.05% U9p^?\-=  
20-100 V/7?]?!xu  
>150 y7#4Mcc`~  
±0.03% z?8Sie  
20-100 Q CB~x2C  
Flicker q! U
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(ContrastMethod) '$n#~/#}  
1-15,000cd/m2 uP[:P?,t  
±1% H=k*;'  
Flickerfrequency:30Hz AC/DC 10% sine wave @   8?7:sfc  
10Cd/m 4\yKd8I  
2 h8_~ OX  
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Flicker c F(]`49(  
(JEITAmethod) L)ry!BuHI  
1-15,000cd/m2 q<cpU'-#  
±1dB !Rw\k'<GKX  
Flickerfrequency:30Hz AC/DC 10% sine wave @ ^~dvA)bH  
10Cd/m )WFSUZ~  
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