提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 ilP&ctn6+c  
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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。 q,GL#L  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： __M}50^  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). e(^O8  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). nL?B  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   >Vvc55z  
Triggerinput and output for in line applications. :vjbuqN]  
Windows,Linux, OSX and embedded systems compatible. ;#due  
SCPIcommand interface for easy integration in other applications. 0/Csc\Xl  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. 0U<9=[~q7@  
USBTMCstandard compliant. fCKcv |  
Integrating-or sampling mode available Q%a4g  
3 gainstages for every mode y}VKFRky  
Auto-rangefunction   bpzA ' g>  
Usercalibration function and pre-programmed calibration values   KR*/yeG!E  
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Opticalsystem   = 4If7  
Optics cmTZ))m  
10mmapperture lens ?2M15Q  
Acceptanceangle qv:WC TAn  
5(±2.5) degrees. ~VOmMw4HV
 
Spotsize @ 50mm E=y
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12mm G9 !1Wz
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Spotsize @ 75mm #L"h>,b  
15.5mm t`?FSV  
Spotsize @ 100mm ]mp.KvB  
19mm _ |; bh  
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Samplemode - signal frequency response   ^%L$$V nG  
Parameter ?@
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f3db(1) cH#`f4  
Gain 1 [#_ceg1G  
DC –20 kHz 0V^?~ex  
Gain 2 1#'wR3[+  
DC –50 kHz g%Z;rDfi  
Gain 3 vq{:=:5'P  
DC –120 kHz ZA!vxQ?P,  
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Measurementspecification A1|:$tED+2  
Parameter * .e^s3q$  
Range "x{S3v4Rb5  
Accuracy Bpgl U=Qr  
Lightlevel [cd/m PtHT>  
2 8S0)_L#S  
]       Repeatability (2)     Speed [samples/sec] (2) 1G\ugLm  
Luminance(Y) n8?gZ` W  
(integratingmode)  np~oF  
0.005– 15,000 cd/m2 {M=tw  
integrationtime I=1tf;Bsi  
between1ms and 5 1}(g=S  
seconds xzy9~))o  
±4% of measuredvalue. 8Vq,J:+  
Measuredat white image of LED LCD display. p\(%bO
 
Luminance~150 cd/m2; A%9"7]:   
0.1 )P$
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±0.20% DI*xf Kt  
4-10 wj/r)rv E  
1 ?0%lB=qQ  
±0.10% (\Dd9a8V-  
10-20 "^u|vCqw  
5 `Z{7Ut^)  
±0.05% 6gp3n;D  
20-100  ~d }-  
>150 5L4~7/kj  
±0.03% `T-(g1:9  
20-100 $N+azal+y  
Luminance(Y) kJ~^ }o  
(samplingmode) T-27E$0  
1 –15,000 cd/m2 ?^yZVmAo]  
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±4% of measuredvalue. D3I;5m`_  
Measuredat white image of LED LCD display. ^UJO(  
Luminance~150 cd/m2; tnp]wZ  
1 n&@\[,B  
±0.20% L%<1cE))  
4-10 FO*Py)/rX  
5 ;X\!*Loe  
±0.10% {dA#r>z\1  
10-20 d(h`bOjI  
20 u%&zY97/  
±0.05% 9#1lxT4%  
20-100 .>&kAf.  
>150 ^oA^z
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±0.03% Fm*O&6W\@A  
20-100 [*,`a]z-Q  
Flicker rQ/S|gG  
(ContrastMethod) L8!xn&uyP=  
1-15,000cd/m2 pTcm2-J  
±1% C,K
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Flickerfrequency:30Hz AC/DC 10% sine wave @   KaOS!e'  
10Cd/m xHI>CNC,  
2 oZ!rK/qoA  
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Flicker C#(4>'  
(JEITAmethod) H]YPMG<  
1-15,000cd/m2 M,6m*  
±1dB 3pm;?6i6  
Flickerfrequency:30Hz AC/DC 10% sine wave @ BjJ+~R  
10Cd/m ca-|G'q  
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