提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 EK^2 2vi$  
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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。 Y$^QH.h  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： i/Z5/(
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Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). uzD{ewR/.y  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). }S4Fy3)  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   {HeMdGn9  
Triggerinput and output for in line applications. ~Ua0pS?  
Windows,Linux, OSX and embedded systems compatible. 
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SCPIcommand interface for easy integration in other applications. ImVe71mh  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. [R$4n-$  
USBTMCstandard compliant. 5KzU&!Zh9  
Integrating-or sampling mode available ovp>"VuC  
3 gainstages for every mode F(r&:3!97  
Auto-rangefunction   Pmb`05\  
Usercalibration function and pre-programmed calibration values   J/Li{xp)Lg  
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Opticalsystem   7=9jXNk Y  
Optics aHw VoT  
10mmapperture lens *:(t.iL  
Acceptanceangle 0OXd*  
5(±2.5) degrees. z,WrLZC  
Spotsize @ 50mm A6VkVJZx  
12mm zF
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Spotsize @ 75mm P^UcpU,  
15.5mm "P~>AXcq  
Spotsize @ 100mm "2-TtQV!  
19mm e_SlM=_u  
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Samplemode - signal frequency response   )XFMlSx)  
Parameter 5:wf"3%%  
f3db(1) O{PRK5^h  
Gain 1 ?zEgN!\R)  
DC –20 kHz I g`#U~  
Gain 2 W7 $yE},
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DC –50 kHz r\zK>GVm_  
Gain 3 0#G"{M  
DC –120 kHz Z:}^fZP  
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Measurementspecification S1."2AxO  
Parameter ocvBKsfhE`  
Range A<&9  
Accuracy x=k$^V~  
Lightlevel [cd/m v-o/zud]]  
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]       Repeatability (2)     Speed [samples/sec] (2) Z6I!4K  
Luminance(Y) \hz)oC  
(integratingmode) Z'E@sc 9  
0.005– 15,000 cd/m2 iZUBw  
integrationtime S$Wd}2>  
between1ms and 5 8^T' a^Wt  
seconds h W-[omr0  
±4% of measuredvalue. G} p~VLf  
Measuredat white image of LED LCD display. wBf bpoE7  
Luminance~150 cd/m2; *+G K?Ga  
0.1 x/ez=yd*l  
±0.20% mEA w^  
4-10 ,AJd2ix  
1 D4G{= Y}G  
±0.10% m$kmoY/  
10-20 WrV|<%EQh  
5 Rj8l]m6U9  
±0.05% V1+IqOXAIp  
20-100 L.5GX 29  
>150 = #`FXO1C  
±0.03% Cs$g]&a  
20-100 8n56rOW!  
Luminance(Y) .]" o-(gB  
(samplingmode) ji1A>jepF  
1 –15,000 cd/m2 o,d:{tt  
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±4% of measuredvalue. ka(xU#;  
Measuredat white image of LED LCD display. >+1bTt/-F  
Luminance~150 cd/m2; vO\CPb %/  
1 f~53:;L/  
±0.20% KS%,N _F<  
4-10 :%0Z
  
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±0.10% _C##U;e!  
10-20  z\\MLyS  
20 %T&kK2d;  
±0.05% H;v*/~zl  
20-100 % $J^dF_0
 
>150 Dx8^V
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±0.03% 4"GY0) Q  
20-100 D=
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Flicker :5dq<>~  
(ContrastMethod) {P*RA'H3G  
1-15,000cd/m2 uQ{M<%K  
±1% iM\W"OUl[  
Flickerfrequency:30Hz AC/DC 10% sine wave @   )!0>2,R1  
10Cd/m Z*k}I{0,-  
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Flicker LEY$St  
(JEITAmethod) 4kIy4x'*  
1-15,000cd/m2 Eg ;r]?|6  
±1dB +] Fdg
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Flickerfrequency:30Hz AC/DC 10% sine wave @ # TvY*D,  
10Cd/m Hi )n]OE  
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