6
本特利传感器光电传感器的光电效应一般有外光电效应、光导效应、光生伏应。光照在照在光电材料上,材料表面的电子吸收的能量,若电子吸收的能量足够大,电子会克服束缚脱离材料表面而进入外界空间,从而改变光电子材料的导电性,这种现象成为外光电效应。
根据爱因斯坦的光电子效应,光子是运动着的粒子流,每种光子的能量为hv(v为光波频率,h为普朗克常数),由此可见不同频率的光子具有不同的能量,光波频率越高,光子能量越大。假设光子的全部能量交给光子,电子能量将会增加,增加的能量一部分用于克服正离子的束缚,另一部分转换成电子能量。由于不同的材料具有不同的逸出功,因此对每一种阴材料, 入射光都有一个确定的频率限,当入射光的频率低于此频率,不论光强多大,都产生光电子发射,此频率限称为“红限”。
Bently Nevada 3300 XL 8mm BNC P/N. 330130-085-00-00
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Bently Nevada SDIX/DDIX Serial/Dynamic Data Interface 103584.02.01.00
Raymond A Lamb Micro Writer E22.01MWC MicroWriter
PERCEPTRON 911-0010 Rev T C0600-X0000-Y0060-Z0123
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2155/00-02-03-00-01-11-00-00-00-00-00 BENTLY NEVADA
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10513-02BENTLY NEVADA
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Bently Nevada - 3300/14 - DC Power Supply
36855-01 BENTLY NEVADA
72497-01 BENTLY NEVADA
72408-02 BENTLY NEVADA
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29495-05 BENTLY NEVADA
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35321-01-02-01-01-15 BENTLY NEVADA
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3300 BENTLY NEVADA
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72708-01 BENTLY NEVADA
72915-01E
72975-03-03-01-01-01-01-15 BENTLY NEVADA
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72751-03-01-15-00-03-00102 BENTLY NEVADA
19195-02-15-XX-XX-01 BENTLY NEVADA
35321-01-02-01-01-01 BENTLY NEVADA
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72645-06-02-01-02-01-01-15-14 BENTLY NEVADA
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72201-01-04-01-01-01-15 BENTLY NEVADA
CP-0490575-01 BENTLY NEVADA
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3300/65-02-01-00-00-00-01 BENTLY NEVADA
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BENTLY NEVADA PROXIMITY SWITCH 3300 XL 8MM 330104-00-08-05-02-00
BENTLY NEVADA 1900/55-01-01-01-00 FAN MONITOR
Bently Nevada Extension Cable 1X35668 / 68135045《福建鸿飞达-*优惠产品中心》
Bently Nevada 3300/25 Dual Accelerometer Monitor
Part # 3300/25-04-03-03-03-00-02-00
BENTLY NEVADA PROXIMITOR SENSOR 330100-90-00
Bently Nevada 3300/20 Dual Thrust Monitor
BENTLY NEVADA 18745-01 7200 PROXIMITOR PROXIMITY SENSOR 5MM -18 TO -24V DC 55419
BENTLY NEVADA 14386-03 7200 SERIES PROXIMITOR I/O MODULE 24V DC 46460
BENTLY NEVADA PROXIMITY PROBE 30000-00-40-36-02
Bently Nevada 125720-01 4 Channel Relay I/O Module《福建鸿飞达-*优惠产品中心》
Bently Nevada 3500/15 Power Supply
Bently Nevada PWA79532-01F 3300 Series 3 Wire RTD Input
Bently Nevada 133819-01 RTD/TC Temp I/O Module
Bently Nevada PWA100811-01
Used in A/B 1771 I/O Racks to interface 2201 modules
BENTLY NEVADA 3300/55 REV A DUAL VELOCITY MONITOR BUFFERED TRANSDUCERS 50999
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