提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 "h/{YjUS  
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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。 ,.`";='o  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： ;T}#-`O_Im  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). VT1W#@`e-  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). )-824?Nl:  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   30Nya$$A=  
Triggerinput and output for in line applications. oy!W$ ?6  
Windows,Linux, OSX and embedded systems compatible. . `lcxC  
SCPIcommand interface for easy integration in other applications. "Hmo`EB0  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. t;9f7~  
USBTMCstandard compliant. S]Gw}d]4  
Integrating-or sampling mode available /vFw5KUu  
3 gainstages for every mode tvptawA.  
Auto-rangefunction   o<e AZ  
Usercalibration function and pre-programmed calibration values   ?lzg )88I  
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Opticalsystem   6uQfe?aD  
Optics Cw]Q)rX{  
10mmapperture lens " *xQN "F  
Acceptanceangle `LL#Aia  
5(±2.5) degrees. >R/^|hnJ  
Spotsize @ 50mm 5AR\'||u  
12mm  PA"xb3@I  
Spotsize @ 75mm OvU]|4h  
15.5mm ([s}bD.9  
Spotsize @ 100mm qFmvc  
19mm *5 FSq  
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Samplemode - signal frequency response   6
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Parameter i% k`/X;  
f3db(1) \$s<G|<P  
Gain 1 in-/  
DC –20 kHz G*e/Ft.wf8  
Gain 2 o[^%0uVF  
DC –50 kHz XU.ZYYZ=  
Gain 3 3a9Oj'd1M  
DC –120 kHz lyKV^7}  
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Measurementspecification zt!mx{l
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Parameter +L*2 6ar6  
Range =LuH:VM&  
Accuracy dc_^  
Lightlevel [cd/m ?s(%3_h  
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]       Repeatability (2)     Speed [samples/sec] (2) TPp%II'*  
Luminance(Y) UDV,co  
(integratingmode) {) 4
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0.005– 15,000 cd/m2 13s!gwE)  
integrationtime {AqN@i  
between1ms and 5 QvK/31*QG  
seconds `N}<lg(0#  
±4% of measuredvalue. GDP@M)~6*  
Measuredat white image of LED LCD display. eh nN  
Luminance~150 cd/m2; ~my\{q  
0.1 ROr$Sz  
±0.20% gA~BhDS  
4-10 rE[*iq,#  
1 ^~|P[}  
±0.10% or\ 2)  
10-20 iSo+6gu  
5 Skl1%`  
±0.05% 5NbI Vz  
20-100 j/wG0~<kz  
>150 x$I~y D  
±0.03% ZT95g  
20-100 Qs8iu`'  
Luminance(Y) R>BI;IcX  
(samplingmode) {w}
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1 –15,000 cd/m2 "EF:+gi#"  
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±4% of measuredvalue. zm\=4^X  
Measuredat white image of LED LCD display. X !NH?0)  
Luminance~150 cd/m2; ]3xnq<
  
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±0.20% C78YHjy  
4-10 `,tv&siSA  
5 ()v[@"J  
±0.10% /A[AHJ<[?  
10-20 Pe!uk4}
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20 I<z /Y?  
±0.05% ~<Uwumv  
20-100 x "]%q^x  
>150 7EOn4
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±0.03% SC74r?NFA  
20-100 cG6Q$  
Flicker CspY+%3$  
(ContrastMethod) ='T<jV`evu  
1-15,000cd/m2 1Jc-hrN-  
±1% U:c!9uhp  
Flickerfrequency:30Hz AC/DC 10% sine wave @   nBjfR2TuF  
10Cd/m *bDuRr?v9  
2 lLxKC7b  
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Flicker GfD!Z3
 
(JEITAmethod) ko@I]
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1-15,000cd/m2 ~0>g 4 D.  
±1dB XB
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Flickerfrequency:30Hz AC/DC 10% sine wave @ 5@P2Z]Q  
10Cd/m > YKvwbCf8  
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