提供Admesy公司Asteria亮度计

H1PW/AW  
提供Admesy公司Asteria亮度计 9w -t9X>X  
"+js7U-  
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。 Ks.pb !r  
Pr
IS L[@  

图片:Asteria-2.gif

图片:Asteria.gif

$1N_qu  
Asteria亮度计的特性： qA<PF+f  
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). #Nt?4T<  
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index).
GM6Y`iU  
Measurehigh and low frequencies at the same time through a high sample rate and largememory size.   1.]Py"@:  
Triggerinput and output for in line applications. [@OXvdTV  
Windows,Linux, OSX and embedded systems compatible. eKlh }v  
SCPIcommand interface for easy integration in other applications. )#9R()n!  
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. cvpcadN[  
USBTMCstandard compliant. #c V_p  
Integrating-or sampling mode available $cr
i"G  
3 gainstages for every mode ~y+QL{P4~  
Auto-rangefunction   o$4n D#P3  
Usercalibration function and pre-programmed calibration values   J9^RP~>bs  
b$P=rIB  
Opticalsystem   )o'&f"/  
Optics *yqEl O  
10mmapperture lens xp%,@]p  
Acceptanceangle r%hnl9
  
5(±2.5) degrees. BzL>,um  
Spotsize @ 50mm w!7f*  
12mm j_E$C.XU{g  
Spotsize @ 75mm UNcS\t2N  
15.5mm ^'=J'Q  
Spotsize @ 100mm zE +)oQ,  
19mm tL1"Dt>  
:qi"I;=6  
Samplemode - signal frequency response   i,BE]w  
Parameter QDS=M]  
f3db(1) f)\ =LV  
Gain 1 y&NO[  
DC –20 kHz _eAZ_@  
Gain 2 mh>)N"  
DC –50 kHz YLSp$d4y  
Gain 3 k9`Bi`wp  
DC –120 kHz i{w<4E3  
yz!j9pJ  
Measurementspecification le%_[/_I|  
Parameter N=&~3k  
Range Y!9'Wf/^  
Accuracy Hd6g0  
Lightlevel [cd/m +2=N#LM  
2 m/sAYF"  
]       Repeatability (2)     Speed [samples/sec] (2) _"%ef"oPh  
Luminance(Y) zFh JLH*C  
(integratingmode) I ;N)jj`b  
0.005– 15,000 cd/m2 dV<|ztv  
integrationtime s4bL
L  
between1ms and 5 MzRURH,  
seconds 4(MZ*6G]?  
±4% of measuredvalue. p`-`(i=iJo  
Measuredat white image of LED LCD display. GcQO&oq|  
Luminance~150 cd/m2; b(dIl)Y4 :  
0.1 }!b9L]  
±0.20% _B)LRD+Hj  
4-10 s8.OL_e  
1 LUv>0G#L[  
±0.10% G<,@|6"w  
10-20 nmp(%;<exN  
5 VL"!.^'c  
±0.05% #*;(%\q}  
20-100 Er?Wg09  
>150 L3P_  
±0.03% k6-Q3W[+a  
20-100 dhpEBJ
  
Luminance(Y) XX",&cp02V  
(samplingmode) J]5sWs  
1 –15,000 cd/m2 x]lv:m\)jT  
Q4r)TR,  
±4% of measuredvalue. $;Lb|~  
Measuredat white image of LED LCD display. :BG/]7>|V  
Luminance~150 cd/m2; orCD?vlh  
1 u^SXg dj  
±0.20% K~OfC  
4-10
,Khhu%$  
5 $A)i}M;uK  
±0.10% |U%
S<X  
10-20 Qfr%BQV  
20 ~hPp)-A  
±0.05% h|"98PI  
20-100 .P.TqT@)r  
>150 4;WeB   
±0.03% 'WkDpa  
20-100 :<4:h.gO8  
Flicker Q^4j  
(ContrastMethod) Ks:~Z9r}  
1-15,000cd/m2 mw";l$Aq}  
±1% #~%tdmGuL  
Flickerfrequency:30Hz AC/DC 10% sine wave @   VYI%U'9Q  
10Cd/m X6%w6%su5  
2 o&)O&bNJ  
lG,/tMy  
'CsD[<  
Flicker r 11:T3  
(JEITAmethod) B5pMcw  
1-15,000cd/m2 7 N+;K0  
±1dB |3W\^4>,  
Flickerfrequency:30Hz AC/DC 10% sine wave @ |ZW%+AQ|  
10Cd/m =XsdR?C  
2 {@1.2AWg