光电传感器是将光信号转换为电信号的一种器件。其工作原理基于光电效应。光电效应是指光照射在某些物质上时，物质的电子吸收光子的能量而发生了相应的电效应现象。根据光电效应现象的不同将光电效应分为三类：外光电效应、内光电效应及光生伏**应。光电器件有光电管、光电倍增管、光敏电阻、光敏二极管、光敏三极管、光电池等。分析了光电器件的性能、特性曲线。
HTM光电传感器型号：
H60-THRU-E-PO-4Q
H60-THRU-R-NO-4Q
H60-LASER-R-NO-4Q
RP18-T020MD-EY9Q4LE
RP18-T020MN-CY9Q4UE
MP-T030MD-EX9Q4LE
MP-T030MD-CX9Q4UE
M18B-T015MD-EX9Q4LE
M18P-T015MD-EZ9Q4LE
M12B-T5200D-EX9Q4LE
M12B-T5200P-CX9Q4UE
RP74-T061MD-EY9Q4LE
RP74-T061MA-EY9Q4LM
RP76-T028MD-EY9T4L
RP76-T028MN-CY9T4U-T
RS62-T030MD-EY9C2L2
RS62-T030MR-LY9C5L2
RS62-D0700R-LY9C5L5
U02-T0002N-CY6Q4UP
U02-T0002P-CY6Q4UP
RP32-T8500D-EY6Q4LP
RP32-T8500P-CY6Q4UP
C-FS3TZ-V075
HTM接近开关、HTM接近传感器型号：
FCU1-D030.8N-A3U2
FCU1-D0401N-A3U2
FCU1-040.8N-A3U2
FCU1-D0501N-A3U2
FCU1-0501N-A3U2
FCU1-D030.8N-B3U2
FCU1-D0401N-B3U2
FCU1-040.8N-B3U2
FCU1-D0501N-B3U2
FCU1-0501N-B3U2
FCU1-D030.8P-A3U2
FCU1-D0401P-A3U2
FCU1-040.8P-A3U2
FCU1-D0501P-A3U2
FCU1-0501P-A3U2
FCU1-D030.8P-B3U2
FCU1-D0401P-B3U2
FCU1-040.8P-B3U2
FCU1-D0501P-B3U2
FCU1-0501P-B3U2
FCU2-D0802N-A3U2
FCU1-0801N-A3U2
FCU2-0802N-A3U2
FCU1-0801N-A3S2
FCU2-0802N-A3S2
FCU1-D0801N-B3U2
FCU2-D0802N-B3U2
FCU1-0801N-B3U2
FCU2-0802N-B3U2
FCU1-0801N-B3S2
FCU2-0802N-B3S2
FCU1-D0801P-A3U2
FCU2-D0802P-A3U2
FCU1-0801P-A3U2
FCU2-0802P-A3U2
FCU1-0801P-A3S2
FCU2-0802P-A3S2
FCU1-D0801P-B3U2
FCU2-D0802P-B3U2
FCU1-0801P-B3U2
FCU2-0802P-B3U2
FCU1-0801P-B3S2
FCU2-0802P-B3S2
FCU1-D0801C-B2U2
FCU2-D0802C-B2U2
FCU1-0801C-B2U2
FCU2-0802C-B2U2
ICU1-D081.5N-A3U2
ICU2-D082.5N-A3U2
ICU1-081.5N-A3U2
ICU2-082.5N-A3U2
ICU1-081.5N-A3S2
ICU2-082.5N-A3S2
ICU1-D081.5N-B3U2
ICU2-D082.5N-B3U2
ICU1-081.5N-B3U2
ICU2-082.5N-B3U2
ICU1-081.5N-B3S2
ICU2-082.5N-B3S2
ICU1-D081.5P-A3U2