提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 T}55ZpS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。 I"5VkeIx  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： io1hUZ  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). #i1z&b#@  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). zZ*\v  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   t<DZW#  
Triggerinput and output for in line applications. P1>?crw  
Windows,Linux, OSX and embedded systems compatible. o NqIrYH'  
SCPIcommand interface for easy integration in other applications. 5H!6#pqM  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. *@(j'0hj  
USBTMCstandard compliant. ~(~ y=M  
Integrating-or sampling mode available 8EBy5X}US
 
3 gainstages for every mode /nas~{B  
Auto-rangefunction   u4
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Usercalibration function and pre-programmed calibration values   5dXDL~/2p  
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Opticalsystem   6Ex16  
Optics r 1x2)  
10mmapperture lens l =Is-N`  
Acceptanceangle E# UAC2Q  
5(±2.5) degrees. %~$coZY^  
Spotsize @ 50mm &R
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12mm "eb+
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Spotsize @ 75mm 'i5,2vT0  
15.5mm *MM8\p_PuT  
Spotsize @ 100mm WLkfo6Nw  
19mm PC55A1(T  
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Samplemode - signal frequency response   7~ =r9-&G  
Parameter I/`\>Hk  
f3db(1) .wvgHi  
Gain 1 r0L'
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DC –20 kHz f~-qjEWm  
Gain 2 l/6$BPU`  
DC –50 kHz dc=~EG-_rM  
Gain 3 3U
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DC –120 kHz tYST&5Kh~  
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Measurementspecification 55K(]%t  
Parameter 5kdh!qy[$,  
Range u|EHe"V"  
Accuracy \F5d p  
Lightlevel [cd/m K^f&+`v6_  
2 <R.Ipyt.  
]       Repeatability (2)     Speed [samples/sec] (2) 'eDV-cB  
Luminance(Y) q2}6lf,J K  
(integratingmode) Dxp.b$0t  
0.005– 15,000 cd/m2 m&{%6  
integrationtime (*Fb/  
between1ms and 5 ,%4~ulKMn  
seconds :vo#(  
±4% of measuredvalue. hreG5g9{  
Measuredat white image of LED LCD display.  Ds@nuQ  
Luminance~150 cd/m2; M'>8P6O  
0.1 _<m yM2z  
±0.20% U{?#W  
4-10 RM6*c .  
1 /&!4oBna  
±0.10% K1_#Jhz  
10-20 D\-D~G]x  
5 7AuzGA0y  
±0.05% O;H|n
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20-100 (>M? iB  
>150 ||^+(  
±0.03% >(BAIjF E\  
20-100 TJ+,G4z  
Luminance(Y) FQqk+P!  
(samplingmode) `Ti?hQm/  
1 –15,000 cd/m2 =PAsyj  
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±4% of measuredvalue. >NMq^J'/  
Measuredat white image of LED LCD display. k#DMd9
 
Luminance~150 cd/m2; kS1?%E,)q  
1 D5$|vv1  
±0.20% G^&P'*  
4-10 s~n@|m9k  
5 v)s; wD  
±0.10% .ovG_O  
10-20 pWOK~=t  
20 j7sRmQCl  
±0.05% V8-*dE  
20-100 u)9YRMl  
>150 =.\PG[  
±0.03% @;`d\lQ  
20-100 bD4aSubN  
Flicker CA]u3bf~  
(ContrastMethod) (K`@OwD  
1-15,000cd/m2 &[qJ=HMm I  
±1% T))F r:  
Flickerfrequency:30Hz AC/DC 10% sine wave @   qj:\)#I  
10Cd/m {jOV8SVL  
2 DTo P|P  
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Flicker D]NJ^.X  
(JEITAmethod) 5h@5.-}  
1-15,000cd/m2 L.Tu7+M4  
±1dB Kw87 0n<  
Flickerfrequency:30Hz AC/DC 10% sine wave @ |}D5q| d@n  
10Cd/m kX "*kD  
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