提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 ,:L}S03k  
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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。 @
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性：
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Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). h_A}i2/{  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). }]n&"=Zk-  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   C]r$  
Triggerinput and output for in line applications. G:@gO2(D  
Windows,Linux, OSX and embedded systems compatible. O-&n5  
SCPIcommand interface for easy integration in other applications. slPFDBx  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. h hdn9n  
USBTMCstandard compliant. kYR&t}jlCg  
Integrating-or sampling mode available @Qx;J<{+g  
3 gainstages for every mode b1 KiO2 E  
Auto-rangefunction   }RoM N$r  
Usercalibration function and pre-programmed calibration values   fqZ!Bi  
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Opticalsystem   dmF<J>[  
Optics ?Rl*
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10mmapperture lens }%jb/@~  
Acceptanceangle B2,! 0Re  
5(±2.5) degrees. 8KAyif@1::  
Spotsize @ 50mm %{Ls$Y)  
12mm -)$)<k  
Spotsize @ 75mm x?j&Jn_@w  
15.5mm 3PJ  
Spotsize @ 100mm {+r?gJ  
19mm 2ag]p  
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Samplemode - signal frequency response   Ar):D#D  
Parameter I;xTyhUd  
f3db(1) 6%yr>BFtVV  
Gain 1 9(@bjL465  
DC –20 kHz
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Gain 2 `9wz:s QtP  
DC –50 kHz G A7  
Gain 3 ^#Wf  
DC –120 kHz d[o =  
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Measurementspecification 2cmqtlW"  
Parameter ?`w ~1  
Range M!I:$DZt  
Accuracy RCmPZ  
Lightlevel [cd/m ,3Wa~\/Q  
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]       Repeatability (2)     Speed [samples/sec] (2) RL&*.r&  
Luminance(Y) O=-|b kO  
(integratingmode) (Hn,}(3S  
0.005– 15,000 cd/m2 Cw+ (,1  
integrationtime o?%x!m>  
between1ms and 5 W"2\vo)  
seconds nrf%/L  
±4% of measuredvalue. r]]Ke_s!  
Measuredat white image of LED LCD display. opIcSm&  
Luminance~150 cd/m2; 'l;?P
 
0.1 r[?rwc^  
±0.20% [@\f 0R  
4-10 tq*Q|9j7VG  
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±0.10% ]-AT(L>  
10-20 g`Rs;  
5 fNK~z*  
±0.05% wo_FM `@  
20-100 F`ihw[ Wn  
>150 ~ h:^Q  
±0.03% |C(72t?K  
20-100 $>BP}V33  
Luminance(Y) =_wgKXBFa  
(samplingmode) vw(};)8  
1 –15,000 cd/m2 JTb<uC  
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±4% of measuredvalue. Q2NS>[  
Measuredat white image of LED LCD display. G_o/ lIz"  
Luminance~150 cd/m2; B"EMir'  
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±0.20% =-:o?&64  
4-10 v |i(peA#  
5 iD]!PaFD`  
±0.10% }U(^QB  
10-20 Ny~;"n  
20 )0%<ZVB  
±0.05% gWlmQl  
20-100 ,{oANqP  
>150 vx ,yz+yP  
±0.03% uj]GBo=  
20-100 X;0EgIqh3  
Flicker fDRQ(}  
(ContrastMethod) 2GD%=rP2]  
1-15,000cd/m2 Q7SS<'(  
±1% x7*}4>|W,I  
Flickerfrequency:30Hz AC/DC 10% sine wave @   ,sc>~B@Q  
10Cd/m *U]f6Q<X  
2 77 `/YE#M  
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Flicker w5[POo' 5  
(JEITAmethod) pG4Hy$e  
1-15,000cd/m2 >a0;|;hp  
±1dB Cr[#D$::`  
Flickerfrequency:30Hz AC/DC 10% sine wave @ gr7W&2x7\  
10Cd/m (&x[>):6?  
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