OMRON E3T-ST31 2M -4 E3T-ST33 2M -4 E3T-ST32 2M -4 E3T-ST34 2M -4 E3T-ST11 2M -4 E3T-ST13 2M -4 E3T-ST12 2M -4 E3T-ST14 2M -4 E3T-ST21 2M E3T-ST23 2M E3T-ST22 2M E3T-ST24 2M E3T-ST31F 2M

NPN output

PNP output

Through-beam 
(Emitter 
+ 
Receiver) *1

2 m (Red light) 
(Sensitivity Adjustment 
Unit can be used.)

Light-ON

E3T-ST31 2M *4

E3T-ST33 2M *4

Dark-ON

E3T-ST32 2M *4

E3T-ST34 2M *4

1 m (Red light) 
(Sensitivity Adjustment 
Unit can be used.)

Light-ON

E3T-ST11 2M *4

E3T-ST13 2M *4

Dark-ON

E3T-ST12 2M *4

E3T-ST14 2M *4

300 mm (Red light)

Light-ON

E3T-ST21 2M

E3T-ST23 2M

Dark-ON

E3T-ST22 2M

E3T-ST24 2M

2 m (Infrared light)

Light-ON

E3T-ST31F 2M

E3T-ST33F 2M

Dark-ON

E3T-ST32F 2M

E3T-ST34F 2M

1 m (Infrared light)

Light-ON

E3T-ST11F 2M

E3T-ST13F 2M

Dark-ON

E3T-ST12F 2M

E3T-ST14F 2M

300 mm (Infrared light)

Light-ON

E3T-ST21F 2M

E3T-ST23F 2M

Dark-ON

E3T-ST22F 2M

E3T-ST24F 2M

500 mm (Red light)

Light-ON

E3T-FT11 2M *4

E3T-FT13 2M *4

Dark-ON

E3T-FT12 2M *4

E3T-FT14 2M *4

300 mm (Red light)

Light-ON

E3T-FT21 2M

E3T-FT23 2M

Dark-ON

E3T-FT22 2M

E3T-FT24 2M

500 mm (Infrared light)

Light-ON

E3T-FT11F 2M

E3T-FT13F 2M

Dark-ON

E3T-FT12F 2M

E3T-FT14F 2M

300 mm (Infrared light)

Light-ON

E3T-FT21F 2M

E3T-FT23F 2M

Dark-ON

E3T-FT22F 2M

E3T-FT24F 2M

Retro- 
reflective

Using the E39-R4 Reflector 
provided 200 mm [30 mm] *2 
Using the E39-R37-CA 
100 mm [10 mm] *2 
(Red light)

Light-ON

E3T-SR41 2M *3 *4

E3T-SR43 2M *3 *4

Dark-ON

E3T-SR42 2M *3 *4

E3T-SR44 2M *3 *4

Diffuse- 
reflective

5 to 30 mm (Red light)

Light-ON

E3T-FD11 2M *4

E3T-FD13 2M *4

Dark-ON

E3T-FD12 2M *4

E3T-FD14 2M *4

Limited- 
reflective

5 to 15 mm (Red light)

Light-ON

E3T-SL11 2M *4

E3T-SL13 2M *4

Dark-ON

E3T-SL12 2M *4

E3T-SL14 2M *4

5 to 30 mm (Red light)

Light-ON

E3T-SL21 2M *4

E3T-SL23 2M *4

Dark-ON

E3T-SL22 2M *4

E3T-SL24 2M *4

BGS- 
reflective

1 to 15 mm (Red light)

Light-ON

E3T-FL11 2M *4

E3T-FL13 2M *4

Dark-ON

E3T-FL12 2M *4

E3T-FL14 2M *4

1 to 30 mm (Red light)

Light-ON

E3T-FL21 2M *4

E3T-FL23 2M *4

Dark-ON

E3T-FL22 2M *4

E3T-FL24 2M *4

NPN output

PNP output

Through-beam 
(Emitter 
+ 
Receive) *1

1 m 
(Red light)

Light-ON

E3T-ST11M 2M

E3T-ST13M 2M

Dark-ON

E3T-ST12M 2M

E3T-ST14M 2M

300 mm 
(Red light)

Light-ON

E3T-ST21M 2M

E3T-ST23M 2M

Dark-ON

E3T-ST22M 2M

E3T-ST24M 2M

1 m 
(Infrared light)

Light-ON

E3T-ST11MF 2M

E3T-ST13MF 2M

Dark-ON

E3T-ST12MF 2M

E3T-ST14MF 2M

300 mm 
(Infrared light)

Light-ON

E3T-ST21MF 2M

E3T-ST23MF 2M

Dark-ON

E3T-ST22MF 2M

E3T-ST24MF 2M

Diffuse- 
reflective

5 to 30 mm 
(Red light)

Light-ON

E3T-FD11M 2M

E3T-FD13M 2M

Dark-ON

E3T-FD12M 2M

E3T-FD14M 2M

Limited- 
reflective

5 to 15 mm 
(Red light)

Light-ON

E3T-SL11M 2M

E3T-SL13M 2M

Dark-ON

E3T-SL12M 2M

E3T-SL14M 2M

5 to 30 mm 
(Red light)

Light-ON

E3T-SL21M 2M

E3T-SL23M 2M

Dark-ON

E3T-SL22M 2M

E3T-SL24M 2M