提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 (}X5*BB&  
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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。 qLLrR,:  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： /W,hO
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Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). _oc6=Z  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). 8X`DFeJ  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   6Z#Nh@!+C  
Triggerinput and output for in line applications. 4utwcXL  
Windows,Linux, OSX and embedded systems compatible. }V]b4t  
SCPIcommand interface for easy integration in other applications. n+=qT$w)  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. }>@SyE'Q  
USBTMCstandard compliant. g$GGo[_0  
Integrating-or sampling mode available .c]>*/(+  
3 gainstages for every mode Wd;t(5Xl  
Auto-rangefunction   1<m`38'  
Usercalibration function and pre-programmed calibration values   m@+v6&,  
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Opticalsystem   :(US um  
Optics tj
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10mmapperture lens ~F-knEvL  
Acceptanceangle <MG&3L.[  
5(±2.5) degrees. F;#$Q  
Spotsize @ 50mm "G>d8GbIh  
12mm <1I4JPh>x  
Spotsize @ 75mm n[DRX5OxR'  
15.5mm _$$.5?4  
Spotsize @ 100mm :|V650/  
19mm vE(]!CB  
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Samplemode - signal frequency response   &Pme4IHtm  
Parameter bh5D}w  
f3db(1) *D%w r'!>  
Gain 1 )@DDs(q=i  
DC –20 kHz 9oc_*V0<  
Gain 2 ,
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DC –50 kHz NL:-3W7vf  
Gain 3 ShC$ue?Q  
DC –120 kHz >6Uc|D  
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Measurementspecification [r"Oi| 8I  
Parameter tcoG;ir  
Range |qe;+)0>K  
Accuracy c6i7f:'-0  
Lightlevel [cd/m =M-=94  
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]       Repeatability (2)     Speed [samples/sec] (2) 0#TL$?=|  
Luminance(Y) eef&ZL6g  
(integratingmode) ^=^\=9" b  
0.005– 15,000 cd/m2 ~3M4F^  
integrationtime 1LS1 ZY  
between1ms and 5 X7-*`NI^  
seconds "[7-1}l  
±4% of measuredvalue. 99*k&mb  
Measuredat white image of LED LCD display. py\:u5QS  
Luminance~150 cd/m2; $)NS]wJ]3  
0.1 sm'_0EUg  
±0.20% `>UUdv{C  
4-10 d`rZgY  
1 U)f('zD  
±0.10% =| T^)J  
10-20 :y7K3:d3  
5 [c=P)t7 V  
±0.05% ,u>LAo0  
20-100 mWZP.w^-  
>150 *7H *ep
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±0.03% $=diG  
20-100 P^"RH&ZQJ  
Luminance(Y) _D}3``  
(samplingmode) 8<}=f4vUj5  
1 –15,000 cd/m2 ^cNuEF9  
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±4% of measuredvalue. uz+WVmb  
Measuredat white image of LED LCD display. KwHN c\\  
Luminance~150 cd/m2; hNh!H<}|m8  
1 PP$2s]{  
±0.20% )B $Q  
4-10 qvu1u GCc  
5 ?&9=f\/P  
±0.10% $\*Z  
10-20 M`K]g&57hL  
20 ?7wcv$K5  
±0.05% l4i51S"  
20-100 !;8Y?c-D  
>150 tnUfi8\ob  
±0.03% 'gor*-o:wu  
20-100 X<IW5*  
Flicker Q/3
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(ContrastMethod) @"NP`#
 
1-15,000cd/m2 |U1 [R\X  
±1% -4+'(3qr  
Flickerfrequency:30Hz AC/DC 10% sine wave @   *w0|`[P+h  
10Cd/m nG3SDL#(k  
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Flicker 2;T?ry7  
(JEITAmethod) 'lE{Nj*7  
1-15,000cd/m2 I~F&@  
±1dB bC+ZR{M  
Flickerfrequency:30Hz AC/DC 10% sine wave @ Czw]5  
10Cd/m !yj1X Ar  
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