紅外傳感器和激光傳感器是兩個不同的概念！紅外（infrared）：波長約在3.3μm左右的電。紅外線傳感器：利用紅外線的物性質(zhì)來進(jìn)行測量的傳感器。紅外線又稱紅外光。紅外線傳感器測量時不與被測物體直接接觸，抗干擾性能差，需要透鏡將紅外光過濾后再進(jìn)行測量，并且需要定期校準(zhǔn)。激光（laser）：在1.65um由受激發(fā)射的光，放大產(chǎn)生的。激光傳感器：利用激光技術(shù)進(jìn)行測量的傳感器。它由激光器、激光檢測器和測量電路組成。它的優(yōu)點(diǎn)是能實(shí)現(xiàn)無接觸遠(yuǎn)距離測量，速度快，精度高，量程大，抗光、電干擾能力強(qiáng)等。紅外線傳感器包括光學(xué)系統(tǒng)、檢測元件和轉(zhuǎn)換電路。光學(xué)系統(tǒng)按結(jié)構(gòu)不同可分為透射式和反射式兩類。檢測元件按工作原可分為熱敏檢測元件和光電檢測元件。熱敏元件應(yīng)用多的是熱敏電阻。熱敏電阻受到紅外線時溫度升高，電阻發(fā)生變化，通過轉(zhuǎn)換電路變成電信號輸出。光電檢測元件常用的是光敏元件，通常由硫化鉛、硒化鉛、化銦、化銻、碲鎘汞合金、鍺及硅摻雜等材料制成。激光傳感器工作時，先由激光發(fā)射二管對準(zhǔn)目標(biāo)發(fā)射激光脈沖。經(jīng)目標(biāo)反射后激光向各方向散射。部分散射光返回到傳感器，被光學(xué)系統(tǒng)接收后成像到雪崩光電二管上。雪崩光電二管是一種內(nèi)部具有放大功能的光學(xué)傳感器，因此它能檢測其微弱的光信號，并將其轉(zhuǎn)化為相應(yīng)的電信號。常見的是激光測距傳感器，它通過記錄并處從光脈沖發(fā)出到返回被接收所經(jīng)歷的時間，即可測定目標(biāo)距離。激光傳感器必須其地測定傳輸時間，因?yàn)楣馑偬臁ENTLY?NEVADA?7200?RVXY-II?72857-01B?72870-01?VIBRATION?BENTLY?NEVADA?81546-01?SIGNAL?INPUT?RELAY?CARDBENTLY?NEVADA?3300/20-01-01-?02-00-00?DUAL?THRUST?MONITORBently?Nevada?3300?Proximitor?Sensor?330100-50-05BENTLY?NEVADA?PROXIMITOR?7200?SERIES?5?MM?8?V/MM?18745-01?KIKUSUI?TOS5051?TOS-5051?Withstanding?Voltage?TesterBENTLY?NEVADA?3300/55-06-01?DUAL?VELOCITY?MONITORBently?Nevada?24000-01-00?Digital?Vector?Filter?$699Bently?Nevada?124534-01?Custom?ProximitorBENTLY?NEVADA?82368-01?3?WIRE?RTD?INPUTBENTLY?NEVADA?84137-01?SIGNAL?INPUT/RELAY?CARDBENTLY?NEVADA?81544-01?SIGNAL?INPUT?RELAY?CARDBently?Nevada?ADRE?108?DAQ?Machine?Balancing?Vibration?ADRE?3Transits?71-3250?Cubic?Precision?71-5060?71-66796??BENTLY?NEVADA?3300/55-01-01-03-03-00-00-00-00??Bently?Nevada?72201-01-04-01?-01-01-15?VIBRATION?&?PROXBENTLY?NEVADA?3300/25-01-02-02-00-00-00-00??PMC?502?P-2?Stirring?Hot?Plate?230VAC?750W?MegnaticBently?Nevada?72059-01?Keyphaor?BoardBently?Nevada?72301-02-04-01?-01-01-15?PC?BoardBENTLY?NEVADA?RACK?INTERFACE?3500/20?PWA?125744-02?UBently?Nevada?124534-01?12453401?Custom?Proximitor?24Fanuc?A16B-1212-0900?/02A?A16B-1212-0900KIKUSUI?TOS6200?TOS-6200?Earth?Continuity?Tester?CLASS1Fanuc?A16B-3200-0070?/03A?A16B32000070Bently?Nevada?3300?XL?8mm?BNC?P/N.?330130-045-00-?00BENTLY?NEVADA?3300/55-01-04-?02-02-00-00-05?-00?USPP?3300Bently?Nevada?Proximitor?Terminal?Strip?72872-01Bently?Nevada?Proximitor?Terminal?Strip?43460-01?SeismaprobeBently?Nevada?Dual?Thrust?Monitor?7200?seriesBENTLY?NEVADA?330102-00-60-1?0-02-01?NSFP?3301020060100278599-30?BENTLY?NEVADA72852?BENTLY?NEVADA72872-01?BENTLY?NEVADA81546-01?BENTLY?NEVADA72305-01?BENTLY?NEVADA72130-02?BENTLY?NEVADA129386-01?BENTLY?NEVADA72880-01?BENTLY?NEVADA79813-01?BENTLY?NEVADA75518-01?BENTLY?NEVADA7209205-01?BENTLY?NEVADA72992-03?BENTLY?NEVADA125768-01?BENTLY?NEVADA72075-02?BENTLY?NEVADA72490-01?BENTLY?NEVADA106765-07?BENTLY?NEVADA7200?BENTLY?NEVADA72928-01G?BENTLY?NEVADA330851-04-000-?015-10-00-05?BENTLY?NEVADA27490-1085-00?BENTLY?NEVADA78422-01N?BENTLY?NEVADA72200-01-01-01?-01-01-11?BENTLY?NEVADABently?Nevada?3300/16?Dual?Vibration?Monitor?XY/Gap84146-0?BENTLY?NEVADAPWA?105401-02?BENTLY?NEVADA43501-01-04-02?BENTLY?NEVADA72850-04-04-01?-01-00-00-15?BENTLY?NEVADAPWA?103928-02?BENTLY?NEVADA72400-02-04-01?-01-15?BENTLY?NEVADAPWA?72928-02G?BENTLY?NEVADA78596-01D?BENTLY?NEVADAPWA?72928-02M?BENTLY?NEVADA72951-03-01-03?-03?BENTLY?NEVADA72308-51-01?BENTLY?NEVADA90120-02-52?BENTLY?NEVADAPM-14030K?BENTLY?NEVADA72976B-M?BENTLY?NEVADA72915-01E?72975-03-03-01?-01-01-01-15?BENTLY?NEVADA72851-04-04-01?-01-01-01-01-1?5?BENTLY?NEVADA72711-01-03-02?-01-01-15?BENTLY?NEVADA72751-03-01-15?-00-03-00102?BENTLY?NEVADA19195-02-15-XX?-XX-01?BENTLY?NEVADA35321-01-02-01?-01-01?BENTLY?NEVADAPWA?72928-02H?BENTLY?NEVADA72645-06-02-01?-02-01-01-15-1?4?BENTLY?NEVADAPWA?19189-02-15?BENTLY?NEVADAPWA?19201F?BENTLY?NEVADA72201-01-04-01?-01-01-15?BENTLY?NEVADACP-0490575-01?BENTLY?NEVADAPWA?86645-01?BENTLY?NEVADAPWA?86635-01?BENTLY?NEVADAPWA?103955-01?BENTLY?NEVADAPWA?72852-01AD?BENTLY?NEVADAPWA?72928-01J?BENTLY?NEVADAPWA?72852-01-AV?BENTLY?NEVADA72730-02-15-XX?-00-01?BENTLY?NEVADAPWA?40332-01L?BENTLY?NEVADAPWA?78452-01?BENTLY?NEVADAPWA?40350-01A?BENTLY?NEVADAPWA?78472-01D?BENTLY?NEVADA3300/65-02-01-?00-00-00-01?BENTLY?NEVADAPWA?105375-01?BENTLY?NEVADAPWA?72928-01H?BENTLY?NEVADAPWA?79056-01-10?BENTLY?NEVADAPWA?79622-01?BENTLY?NEVADAPWA?87830-01D?BENTLY?NEVADA19195-01-15-XX?-00-01?BENTLY?NEVADAPWA?72928-02R?BENTLY?NEVADABENTLY?NEVADA?3500/50?3500Bently?Nevada?330980-50-00Bently?Nevada?3300/12-01-20-00?Bently?Nevada??21504-00-28-10?-02?(7641)BENTLY?NEVADA?3300/12-01-20-00?USPPBently?Nevada3300/45-03-01-01-01BENTLY?NEVADA?PWA88219-01U?BENTLY?NEVADA?PWA88199-01W?BENTLY?NEVADA?4452-02?NSPP?445202

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