提供Admesy公司Asteria亮度计
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提供Admesy公司Asteria亮度计 ('hr;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。 7_ xQa$U[
请联系光析科技（深圳） 刘先生 13927443410 P+tRxpz
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Asteria亮度计的特性： qRlS^=#
Absoluteluminance and illuminance measurement according to the human eye (CIE1931luminosity function). ue"?n2
Allflicker measurement standards supported for LCD (Contrast, JEITA, VESA) andLighting (percentage, Index). C2OBgM+
Measurehigh and low frequencies at the same time through a high sample rate and largememory size. &66-0d+Sh
Triggerinput and output for in line applications. FZf{kWH
Windows,Linux, OSX and embedded systems compatible. ,l+lokD-#
SCPIcommand interface for easy integration in other applications. 2K[Y|.u8>q
Supportedin all major programming languages Labview / Labwindows / Visual Studio (C++,C#, VB)/ etc. j?<>y/IR
USBTMCstandard compliant. 'M8wjU
Integrating-or sampling mode available lR3 `4bHA
3 gainstages for every mode #X1iig+
Auto-rangefunction uJhB>/Og
Usercalibration function and pre-programmed calibration values ~U"puEftbs
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Opticalsystem h]W PWa)M
Optics {HoeK>rd
10mmapperture lens XLQt>y)
Acceptanceangle mcO/V-\5'
5(±2.5) degrees. W@S>#3,
Spotsize @ 50mm ,cj531.
12mm EH1GdlhA
Spotsize @ 75mm qr dA4S
15.5mm vNo( `~]c
Spotsize @ 100mm P )D2PVD
19mm 3(&f!<Uy
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Samplemode - signal frequency response q%&JAX=
Parameter *BdKQ/Dk
f3db(1) K3g<NC
Gain 1 naOCa
DC –20 kHz }(MI}o}
Gain 2 ZRCm'p3
DC –50 kHz V7~tIhuJH
Gain 3 `_;sT8
DC –120 kHz ^\ "@r%|
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Measurementspecification kfc5ra>&
Parameter Sao4MkSz[]
Range Dt]N&E#\D
Accuracy B:X,vE
Lightlevel [cd/m M_BG :P5
2 *Rx& #9
] Repeatability (2) Speed [samples/sec] (2) Sj(5xa[
Luminance(Y) uE'O}Y95
(integratingmode) 8GN_ 3pT
0.005– 15,000 cd/m2 v^0*{7N'
integrationtime C
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between1ms and 5 `AcUxnO
seconds }w_r(g?\
±4% of measuredvalue. 5|<j Pc
Measuredat white image of LED LCD display. NNgpDL*
Luminance~150 cd/m2; &2P=74\=
0.1 OL%KAEnD
±0.20% |d) *,O4s
4-10 $S6%a9m
1 (/ qOY
±0.10% KkJrh@lk
10-20 'W_u1l/
5 3xX ^pjk
±0.05% o'?[6B>oj
20-100 `uh+d
>150 G^%FP!'D?
±0.03% CM`B0[B
20-100 Y
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Luminance(Y) 1Qk]?R/DN
(samplingmode) S.,5vI "s,
1 –15,000 cd/m2 JYw_Z*L=m
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±4% of measuredvalue. VV+gPC
Measuredat white image of LED LCD display. S H xD( 6
Luminance~150 cd/m2; /$'|`j KsB
1 T
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±0.20% %y|L'C,ge"
4-10 j;yKL-ycB
5 =kP|TR!o-
±0.10% MU>6s`6O
10-20 +l27y0>t
20 $ n= w
±0.05% e.V Q!)>
20-100 :\F1S:&P
>150 6>NK2} `
±0.03% wTe 9OFv
20-100 8|) $;.
Flicker rbl7-xhC7
(ContrastMethod) 6Z#$(oC
1-15,000cd/m2 hA=}R.gi
±1% :|a$[g5
Flickerfrequency:30Hz AC/DC 10% sine wave @ %?X6TAtH
10Cd/m g#%Egb1
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Flicker 7 - S?U~s
(JEITAmethod) L\zyBfK}
1-15,000cd/m2 (Xl+Zi>\{
±1dB b5)a6qt b
Flickerfrequency:30Hz AC/DC 10% sine wave @ kB9@
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10Cd/m ?*^ HZ~O1
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