提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 \KlOj%s  
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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。 qpo3b7(N  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： \,YF['Qq  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). o6JCy\Bx  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). n H)6mOYp  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   X.u&4SH  
Triggerinput and output for in line applications. V%F^6ds$]0  
Windows,Linux, OSX and embedded systems compatible. o!q3+Pp;}  
SCPIcommand interface for easy integration in other applications. Pr |u_^  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. -;/;dz;  
USBTMCstandard compliant. ),9^hJ1+@  
Integrating-or sampling mode available 7Y`/w$  
3 gainstages for every mode idWYpU>gC  
Auto-rangefunction   {+CW_ce  
Usercalibration function and pre-programmed calibration values   Eiqx1ZM  
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Opticalsystem   cG)i:  
Optics ,e6n3]W8  
10mmapperture lens JI TQ3UL:W  
Acceptanceangle oBfh1/<<a  
5(±2.5) degrees. !j'9>G{T  
Spotsize @ 50mm aS ]bTYJ'  
12mm !q:[$g-@q  
Spotsize @ 75mm 8UH c,np  
15.5mm :#CQQ*@  
Spotsize @ 100mm V)[ta`9  
19mm PQ6.1}  
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Samplemode - signal frequency response   q)Qd+:a7{  
Parameter V`F]L^m=L  
f3db(1) PL;PId<9w  
Gain 1 wR)U&da`@  
DC –20 kHz 13+f ^  
Gain 2 SFKfsb!C  
DC –50 kHz s&T"/4  
Gain 3 gXrPZ|iS  
DC –120 kHz X rBe41  
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Measurementspecification $ {Y?jJ  
Parameter S;pKL,d>r  
Range z[zURj-*]  
Accuracy `:=af[n   
Lightlevel [cd/m
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2 uVnbOqR<X  
]       Repeatability (2)     Speed [samples/sec] (2) >A'Q9Tia;  
Luminance(Y) P0R8 f  
(integratingmode) ,ALEfepo  
0.005– 15,000 cd/m2 @|3PV  
integrationtime x4b.^5"`:  
between1ms and 5 qnFi./  
seconds lB7 V4  
±4% of measuredvalue. K)e;*D  
Measuredat white image of LED LCD display. $K_G|Wyi  
Luminance~150 cd/m2; nT(Lh/  
0.1 ,hMdxZJd  
±0.20% 0keqtr  
4-10 hFLD2<   
1 hUL5V1-j  
±0.10% E=G"_ ^hCE  
10-20 d7g3V
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5 <=1nr@L  
±0.05% i3
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20-100 ;|C[.0;kgv  
>150 ],!7S"{97  
±0.03% A*&
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20-100 =f{)!uW<4  
Luminance(Y) x{
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(samplingmode) @51!vQwqR  
1 –15,000 cd/m2 17hFwo`  
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±4% of measuredvalue. AeQIsrAHE  
Measuredat white image of LED LCD display. orT%lHwjL  
Luminance~150 cd/m2; &CtWWKS"  
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±0.20% 0uw3[,I   
4-10 "Uk "  
5 erhxZ|."P  
±0.10% -#TF&-  
10-20 Cob<N'.  
20 g8+Ke'=_  
±0.05% s":\>  
20-100 N:4oVi@Je  
>150 EZN38T  
±0.03% c8R#=^ DD  
20-100 4hymQ3 g  
Flicker <KBzZ !n5  
(ContrastMethod) )&
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1-15,000cd/m2 V~9vf*X  
±1% KG2ij~v  
Flickerfrequency:30Hz AC/DC 10% sine wave @   I;=HXL  
10Cd/m <B3v4f  
2 +Jf45[D   
1\hh,s  
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Flicker *>=|"ff  
(JEITAmethod) w
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1-15,000cd/m2 |FR'?y1  
±1dB dn? #}^,"  
Flickerfrequency:30Hz AC/DC 10% sine wave @ 1cA
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10Cd/m @,=E[c 8  
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