提供Admesy公司Asteria亮度计

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提供Admesy公司Asteria亮度计 Drn{ucIs  
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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。 Fe:M'.  
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图片:Asteria-2.gif

图片:Asteria.gif

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Asteria亮度计的特性： ,s=jtK  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). ]mfI$p%  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). rwZI;t$hf  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   R1!F mZW8  
Triggerinput and output for in line applications. ]'L#'"@  
Windows,Linux, OSX and embedded systems compatible. th
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SCPIcommand interface for easy integration in other applications. M-#
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Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. Y 6NoNc]h  
USBTMCstandard compliant. +2DzX/3  
Integrating-or sampling mode available ,H_b@$]n8  
3 gainstages for every mode 4yZ'+\ +I  
Auto-rangefunction   ;-aF\}D@n  
Usercalibration function and pre-programmed calibration values   L9lNAiOH  
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Opticalsystem   \tpJ   
Optics 0XkLWl|k  
10mmapperture lens TO(2n8'fdO  
Acceptanceangle Lc&LF*  
5(±2.5) degrees. $ 8"we  
Spotsize @ 50mm t)#dR._q  
12mm i8h(b2odQ  
Spotsize @ 75mm c `[,>  
15.5mm 7o+JQ&fF;  
Spotsize @ 100mm @ij8AGE:  
19mm yN'<iTh  
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Samplemode - signal frequency response   Sckt gp8  
Parameter ;)6LX-  
f3db(1) #N
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Gain 1 3SI~?&HU!/  
DC –20 kHz "mbjS(-eg  
Gain 2 5l(8{,NDt  
DC –50 kHz )2nx5"  
Gain 3 $uPM.mPFE  
DC –120 kHz P#8+GN+bF  
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Measurementspecification ?{)sdJe  
Parameter ;^[VqFpeS  
Range #5Q?Q~E@  
Accuracy >
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Lightlevel [cd/m TO,XN\{y  
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]       Repeatability (2)     Speed [samples/sec] (2) a/4
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Luminance(Y) vU4Gw4  
(integratingmode) \
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0.005– 15,000 cd/m2 ~o<+tL  
integrationtime ~BUzyc%  
between1ms and 5 @Sik~Mm_h  
seconds mY)Y47iL  
±4% of measuredvalue. : \{>+!`w  
Measuredat white image of LED LCD display. HsF8$C$z  
Luminance~150 cd/m2; F6L}n-p5  
0.1 >V01%fLd  
±0.20% nDFF,ge;a#  
4-10 J~e%EjN5e  
1 5xS ze;  
±0.10% h/LlH9S:!  
10-20 9<" .
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5 &7fwYV  
±0.05% z PW[GkD  
20-100 B#A .-nb  
>150 7U3b YU~;  
±0.03% ]_hrYjX;  
20-100 !vrduOB  
Luminance(Y) tc|`cB3f  
(samplingmode) FFG/v`NM  
1 –15,000 cd/m2 lI)RaiMr=  
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±4% of measuredvalue. ycD}7  
Measuredat white image of LED LCD display. ZH1W#dt`[  
Luminance~150 cd/m2; O(_a6s+m  
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±0.20% ^xNs^wC.  
4-10 2 &(w\#'  
5 G\;a_]Q  
±0.10% ?*nFz0cs^  
10-20 m|CB')  
20 z5> {(iY;,  
±0.05% &|'t>-de,  
20-100 YF4?3K0F:k  
>150 NCXr$ES{  
±0.03% &A1~x!`  
20-100 6m\MYay  
Flicker 6-+q3#
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(ContrastMethod) <mk'n6B  
1-15,000cd/m2 ~{xm(p  
±1% NI%&Xhn!*>  
Flickerfrequency:30Hz AC/DC 10% sine wave @   #+Pk_
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10Cd/m (v@)nv]U  
2 .boBo$f  
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Flicker \y^Ho1Fj  
(JEITAmethod) [bK5q;#U4  
1-15,000cd/m2 -".q=$f  
±1dB MT3TWWtZ:  
Flickerfrequency:30Hz AC/DC 10% sine wave @ ^'Z?BK  
10Cd/m $oo`]R_   
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