Banner邦纳激光测距传感器：先由激光二极管对准目标发射激光脉冲。经目标反射后激光向各方向散射。部分散射光返回到传感器接收器，被光学系统接收后成像到雪崩光电二极管上。雪崩光电二极管是一种内部具有放大功能的光学传感器，因此它能检测极其微弱的光信号。记录并处理从光脉冲发出到返回被接收所经历的时间，即可测定目标距离。
Banner邦纳激光测距传感器在工作时向目标射出一束很细的激光，由光电元件接收目标反射的激光束，计时器测定激光束从发射到接收的时间，计算出从观测者到目标的距离；LED白光测速仪成像在仪表内部集成电路芯片CCD上，CCD芯片性能稳定，工作寿命长，且基本不受工作环境和温度的影响。因此，LED白光测速仪测量精度有保证，性能稳定可靠。
激光在检测领域中的应用十分广泛，技术含量十分丰富，对社会生产和生活的影响也十分明显。激光测距是激光zui早的应用之一。这是由于激光具有方向性强、亮度高、单色性好等许多优点。1965年前苏联利用激光测地球和月球之间距离（384401km）误差只有250m。1969年美国人登月后置反射镜于月面，也用激光测量地月之距，误差只有15cm。
利用激光传输时间来测量距离的基本原理是通过测量激光往返目标所需时间来确定目标距离。
虽然原理简单、结构简单，但以前主要用于军事和科学研究方面，在工业自动化方面却很少见。因为激光测距传感器售价太高，一般在几千美元。
实际上，所有工业用户都在寻找一种能在较远距离实现精密距离检测的传感器。因为许多情况下近距离安装传感器会受物理位置及生产环境的限制，如今的激光测距传感器将为这类场合的工程师排忧解难。
可用于其它技术无法应用的场合。例如，当目标很近时，计算来自目标反射光的普通光电传感器也能完成大量的精密位置检测任务。但是，当目标距离较远内或目标颜色变化时，普通光电传感器就难以应付了。
虽然先进的背景噪声抑制传感器和三角测量传感器在目标颜色变化的情况下能较好地工作，但是，在目标角度不固定或目标太亮时，其性能的可预测性变差。此外，三角测量传感器一般量程只限于0.5m以内。
超声波传感器虽然也经常用于检测距离较远的物体，而且由于它不是光学装置，所以不受颜色变化的影响。
美国Banner邦纳部分产品型号：
PBT26U PBT26UHF PBT26UHF PBT26UHT1 PBT26UHT1 PBT26UMSS PBT26UMSS PBT26U-PFS-KIT
PBT26U-PFS-KIT PBT28UHT1MT PBT28UHT1MT PBT415U PBT415U PBT415UHF PBT415UHF PBT41TMB5
PBT41TMB5 PBT430UHT1 PBT430UHT1 PBT430UMSS PBT430UMSS PBT43TB5HF PBT43TB5HF PBT43TMB5
PBT43TMB5 PBT43TS PBT43TS PBT450UHT1 PBT450UHT1 PBT46TB5HF PBT46TB5HF PBT46TMB5
PBT46TMB5 PBT46U PBT46U PBT46UC PBT46UC PBT46UHF PBT46UHF PBT46UHT1 PBT46UHT1
PBT46UM1/4-20 PBT46UM1/4-20 PBT46UMHXM3/8 PBT46UMHXM3/8 PBT46UMHXMBMP PBT46UMHXMBMP
PBT46UMNFM1.0 PBT46UMNFM1.0 PBT46UMSS PBT46UMSS PBT47TMSS PBT47TMSS PBT48 PBT48 PBT48-1
PBT48-1 PBT615U PBT615U PBT630U PBT630U PBT630UMSS PBT630UMSS PBT66U PBT66U
PBTA16UM.24X.49 PBTA16UM.24X.49 PBTA43TMB5 PBTA43TMB5 PBTA46TMB5 PBTA46TMB5
PBTA46UM.63X.9 PBTA46UM.63X.9 PBTP.53T PBTP.53T PBTP43TMB5 PBTP43TMB5 PBTP46TMB5
PBTP46TMB5 PBTPS415U PBTPS415U PBTPS46UMKC PBTPS46UMKC PBTPS46UMKCMP.5 PBTPS46UMKCMP.5
PBTU PBTU PBU260U PBU260U PBU4300U PBU4300U PBU430U PBU430U PBU460U PBU460U PC400 W/30'
PC44BN6FP PC44BP6FP PCF-1BG PCJ-25 PD-28 PD45VN6C100 PD45VN6C100 W/30' PD45VN6C100Q
PD45VN6C200 PD45VN6C200 W/30' PD45VN6C200Q PD45VN6C300 PD45VN6C300 W/30' PD45VN6C300Q
PD45VN6C50 PD45VN6C50 W/30 PD45VN6C50Q PD45VN6LL-52935 PD45VN6LLP PD45VN6LLP W/30'
PD45VN6LLPQ PD45VN6LLQ-64518 PD45VP6C100 PD45VP6C100 W/30' PD45VP6C100Q PD45VP6C200
PD45VP6C200 W/30' PD45VP6C200Q PD45VP6C200Q-63620 PD45VP6C300 PD45VP6C300 W/30'
PD45VP6C300Q PD45VP6C50 PD45VP6C50 W/30 PD45VP6C50Q PD45VP6LLP PD45VP6LLP W/30'
PD45VP6LLPQ PD49VN6C100 PD49VN6C100 W/30' PD49VN6C100Q PD49VN6C200 PD49VN6C200 W/30'
PD49VN6C200Q PD49VN6C300 PD49VN6C300 W/30' PD49VN6C300Q PD49VN6C50 PD49VN6C50 W/30'
PD49VN6C50Q PD49VN6LLP PD49VN6LLP W/30' PD49VN6LLPQ PD49VP6C100 PD49VP6C100 W/30'
PD49VP6C100Q PD49VP6C100Q-68793 PD49VP6C200 PD49VP6C200 W/30' PD49VP6C200Q
PD49VP6C200Q-02760 PD49VP6C200Q-68794 PD49VP6C200Q-68795 PD49VP6C200QP-02773
PD49VP6C200QP-02923 PD49VP6C300 PD49VP6C300 W/30' PD49VP6C300Q PD49VP6C300QPMA
PD49VP6C50 PD49VP6C50 W/30' PD49VP6C50Q PD49VP6LLP PD49VP6LLP W/30' PD49VP6LLPQ
PD49VP6LLPQ-02646 PD-90 PDB1 PDBAT21.33T5 PDBAT26T5 PDBCA21.4TS PDBCA21.4TS-1
PDBCA21.4TS-5 PDBF26T5 PDBF46DTS3QD PDBT26T5 PDDI43TSMHF PDI415U-LLD PDI415UTMH-LLD
PDI42.5SM2XTS-1 PDI46U-LLD PDI46UTMH-LLD PDIC26UMBR PDIRS1X166UM8M2 PDIS215UM12
PDIS26UM12 PDIS415UM12 PDIS415UM35MSD50 PDIS43UM4.5M3 PDIS46UHFM12 PDIS46UHFM4.5
PDIS46UM12 PDIS46UM3.2 PDIS46UM38MSD66 PDIS46UM4.5 PDIS46UM6.4MAL PDIS46UM8MSL30
PDIS4T4M12 PDIS4TM12 PDISM46UM5MA PDIT26T5 PDIT26TP PDIT26TP5 PDIT4100U PDIT46U
PDIU26T5-02972 PE4-G PE4-P PF2.53S PFA-1-100 PFB20-100 PFB40-100 PFC-2 PFC-2-100 PFC-2-20
PFC-2-25 PFK20 PFK40 PFMB4M19 PFS40P6 PFS44S.8T PFS44S15T PFS44S2T PFS44S3T PFS44S6
PFS44S6T PFS53S14T PFS53S15T PFS53S3T PFS53S6 PFS53S6T PFS64P6 PFS69S.8T PFS69S1.5
PFS69S14.5 PFS69S15T PFS69S16 PFS69S2 PFS69S2.5 PFS69S2T PFS69S30 PFS69S3T PFS69S40
PFS69S6 PFS69S6T PFS95P6 PG-29 PG-29-72181 PGAB-1 PGAB-2 PGA-PSA-1 PGA-PSB-1 PGA-TBA1-1
PGA-TBA2-1 PGCA-1A PGCA-2A PGCB-1A PGCB-2A PIA11.7TMUI PIA16U PIA215U PIA26U
PIA26UM1X.235 PIA26UM1X.28 PIA26UMA60M.125 PIA26UMHL.60 PIA4.69UM1.8X.4
PIA4.69UM1.8X.4-10 PIA4.8UM1.8X.4 PIA415UMNFM1.12 PIA430UM1X1NF PIA46UHFM.5X.4
PIA46UHFMBMP PIA46UHFMBMPMS PIA46UM1X1 PIA46UMAF PIA46UMJ1.3 PIA46UMJ1.3MA70
PIA46UMJ1.3MHL.6 PIA46UMNFM1.12 PIA66UM1X.86 PIAT16U PIAT26U PIAT415U PIAT43TMB5
PIAT43TS4 PIAT46TMB5 PIAT46U PIAT46UC PIAT46UHF PIAT46UM.4MT.25 PIAT46UMSL1.5MT
PIAT46UMTM4 PIAT6100U PIAT615U PIAT660U PIAT66U PIE415UT PIE415UTMT6 PIE43UT
PIE46THTMNL PIE46UT PIE46UTHF PIE46UTMNL PIE46UTMNLHT1 PIE49.8UT PIE49.8UTHF
PIE615UTMNLMT6 PIE66UTMNL PIES430UTMT6HT1 PIES46UT PIES46UTHT1 PIF16U PIF210UM.52M.19D
PIF215U PIF26U PIF26UHF PIF26UM.12X.6 PIF26UMFL.200 PIF26UMFL.315 PIF26UMLS
PIF26UMLSMFL.32 PIF26UMLSMFL.67 PIF430UHF PIF430UHT1 PIF43TMB5 PIF43TMDF PIF460UMNCMN
PIF46TMB5 PIF46U PIF46UHF PIF46UHT1 PIF46UM.20F PIF615U PIF615UMVFA PIF61U PIF62T
PIF630U PIF630UM.52M.19D PIF66U PIF66UMVFA PIFM1X46U PIFM1X46UMFL.59 PIFM415UHF PIFM46U
PIFM46UHF PIFP26U PIFS46UMFD.35 PIL415U PIL46U PIL46UHF PIL46U-L2 PIP.53T PIP16U PIP26U
PIP26UM1.25 PIP26UMNTM1 PIP415UHF PIP46U PIP46UC PIP46UHF PIP46UM1.12X.3 PIP46UM1.5
PIP46UM2.4 PIP640UMPP PIP650UMPPM.5 PIP660UMPPM.5 PIPS16U PIPS16UMFF PIPS26U
PIPS26UM.50 PIPS43TMB5 PIPS450U PIPS46TMB5 PIPS46U PIPS46UHF PIPS46UHT1 PIPS46UHT1M.45
PIPS46UM.45MP PIPS46UM.75 PIPS46UMJ1.3MP PIPS61.5UMSQMAP PIPS615U PIPS630U PIPS66U
PIPS66UMSQMAP PIPSB46U PIPSB46UHF PIPSM26U PIPSM46U PIR1X106UMAL PIR1X1615U PIR1X166U
PIR1X166UM.4 PIRS1X1615UMP.75 PIRS1X1615UMP2.2 PIRS1X1615UMPM1 PIRS1X1615UMPMAL
PIRS1X1630U PIRS1X1630UMP2.2 PIRS1X1630UMPMAL PIRS1X163TMB5M.4 PIRS1X166U PIRS1X166UM.4
PIRS1X166UMCEB PIRS1X166UMPM.4 PIRS1X166UMPM.47 PIRS1X166UMPM.75 PIRS1X166UMPM1
PIRS1X166UMPM2.2 PIRS1X166UMPM2.4 PIRS1X166UMPMAL PIT16U PIT1X46U PIT215UHF PIT21TS
PIT230U PIT23TMB5M3 PIT23TS PIT26U PIT26UHF PIT26UHT1 PIT26UMT.24 PIT41.5TS PIT4100U
PIT415UHF PIT41TMB5 PIT430UHF PIT433U PIT43TB5HF PIT43TB5HFM3 PIT43TMB5 PIT43TS
PIT43TS1 PIT43TT PIT46TB5HF PIT46TMB5 PIT46U PIT46UC PIT46UHF PIT46UHT1 PIT46UM10-32M1
PIT46UM14TL PIT46UM3 PIT46UM5 PIT46UM8-32MHF PIT49TB5HF PIT615U PIT62.5UMTX2
PIT6200UMTX2 PIT660U PIT66U PIT66UMF5/16 PIT66UMSS PITA43TMB5 PITA46TMB5 PITF26U
PITP16U PITP16UM1.7 PITP43TMB5 PITP46TMB5 PITPS46UMPDM.39 PITPS66UM.5 PIU1X16100U
PIU1X161600U PIU230U PIU230UHF PIU260U PIU26TMSS PIU4.568U-100 PIU4.610U-100 PIU4100U
PIU4100UHF PIU4100UMJ1.3 PIU4100UXP PIU4100UXT PIU41600U PIU41600UHF PIU41600UXP
PIU41600UXT PIU42.04U-100 PIU42.46U-100 PIU4200U PIU4200UHF PIU4200UHT1 PIU4200UXP
PIU4200UXT PIU430U PIU430UHF PIU430UXP PIU430UXT PIU4330U PIU4330UHF PIU4330UXP
PIU4330UXT PIU44.5U-100 PIU4500U PIU4500UHF PIU4500UXP PIU4500UXT PIU460U PIU460UHF
PIU460UXP PIU460UXT PIU6100U PIU630U PIU6330U PIU660U PIU66U PIU680U PKG3-10 PKG3M-2
PKG3M-9 PKG3Z-2 PKG4-10 PKG4-2 PKG4-3 PKG4-5 PKG4M-2 PKG4M-9 PKG4S-2 PKG6Z-.5 PKG6Z-2
PKG6Z-9 PKW3-2 PKW3M-2 PKW3M-9 PKW4M-2 PKW4M-9 PKW4Z-2 PKW4ZS-2 PKW6Z-2 PKW6Z-9 PL-1L
PL4-2 PL5 PL5R PLF23 PLI-A10 PLIS-1 PMC-510 PMC-510C PMC-510CLP PMCF-510C PPC06 PPC06HF
PPC06RA PPC10RA PPC23 PPC23HF PPC23RA PPC23RAHF PPC32 PPC32HF PPC32RA PPCAM PPCTL PPE4-G
PPE4-P PPE4-RG PPE4-RP PPE-G PPE-P PPE-RG PPE-RP PPK PPK06 PPK0608AE PPK0608AS
PPK0608BE PPK0608BS PPK0608RE PPK0608RS PPK0608RWE PPK0612AE PPK0612AS PPK0612BE
PPK0612BS PPK0612RE PPK0612RS PPK0616AE PPK0616AS PPK0616BE PPK0616BS PPK0616RE
PPK0616RS PPK0616TAE PPK06RA PPK23 PPK2308AE PPK2308AS PPK2308BE PPK2308BS PPK2308RE
PPK2308RS PPK2312AE PPK2312AS PPK2312BE PPK2312BS PPK2312RE PPK2312RS PPK2316AE
PPK2316AS PPK2316AWE PPK2316BE PPK2316BS PPK2316RE PPK2316RS PPK23RA PPK32 PPK3208RE
PPK32RA PPLITPKG PPM7 PPM7PS PPM9 PPSK1 PRC1 PS120-15 PS15-1 PS2V-12 PS2V-12E PSA-12
PSA-12E PSA-24 PSA-24E PSBA-120 PSC-24 PSC-24E PSD-400D PSDINA-24 PT1000 PT1000 W/30'
PT200 PT200 W/15' PT200 W/30' PT200B PT200B W/30' PT200E PT200P W/30' PT250 PT250 W/30'
PT250B PT250B W/30' PT250E PT250P PT300 PT300 W/10' PT300 W/30' PT300E PT300SC W/30'
PT400 PT400 W/15' PT400 W/30' PT400E PT400PSS W/30' PT410 PTGRCMSSQDHL-1 PTGRCMSSQDLL
PTIT210TP PTIT216TP PTIU216TP PVA100N6 PVA100N6E PVA100N6EQ PVA100N6Q PVA100N6R
PVA100N6RQ PVA100P6 PVA100P6-63172 PVA100P6E PVA100P6EQ PVA100P6EQ W/15' PVA100P6EQ
W/4IN PVA100P6EQ W/6IN PVA100P6EQ-54782 PVA100P6Q PVA100P6Q W/4IN PVA100P6Q W/6IN
PVA100P6Q-54764 PVA100P6Q-62443 PVA100P6Q-72077 PVA100P6QK PVA100P6QK W/15' PVA100P6R
PVA100P6RQ PVA100P6RQ W/15' PVA100P6RQ W/4IN PVA100P6RQ W/6IN PVA100P6RQ-54783 PVA225N6
PVA225N6E PVA225N6EQ PVA225N6Q PVA225N6Q W/6IN PVA225N6R PVA225N6RQ PVA225P6 PVA225P6-62442
PVA225P6E PVA225P6EQ PVA225P6EQ W/4IN PVA225P6EQ W/6IN PVA225P6Q PVA225P6Q W/4IN
PVD100Q-72307 PVD100Q-73215 PVD100QNA PVD225 PVD225MA1Q W/6IN PVD225Q PVD225Q W/6IN
PVD225QNA PVD225QNA-73490 PWS4100P PWS410P PWS4110P PWS4120P PWS4130P PWS4140P PWS4150P
PWS415P PWS4200P PWS420P PWS4250P PWS425P PWS4300P PWS430P PWS435P PWS43P PWS440P
PWS445P PWS450P PWS45P PWS460P PWS470P PWS47P PWS480P PWS490P PP4100P PP410P
PP4110P PP4120P PP4130P PP4140P PP4150P PP415P PP4200P PP420P PP4250P
PP425P PP4300P PP430P PP435P PP43P PP440P PP445P PP450P PP45P
PP460P PP470P PP47P PP480P PP490P PT4100P PT410P PT4110P PT4120P
PT4130P PT4140P PT4150P PT415P PT4200P PT420P PT4250P PT425P PT4300P
PT430P PT435P PT43P PT440P PT445P PT450P PT45P PT460P PT470P PT47P
PT480P PT490P Q106E Q106E W/30' Q106E106EQP2 Q10AN6D Q10AN6D W/30' Q10AN6DQ
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