Omron E3T-ST Series- Photoelectric Sensor- Built-in Amplifier

$ 57.20 – $ 127.60

SKU: N/A

Model

Description

Omron produce industrial sensors range such as fiber sensors, photoelectric sensors, displacement sensors/ measurement sensors, proximity sensors, photomicro sensors and rotary encodes.

Features

Simple, Low-cost Installation, Setup, and Operation

New Small Cylindrical Sensors

Sure Installation without Stress

Side-view and Flat Sensor Models for M3 Mounting

Small Cylindrical Sensors

Overall Features

Many Compact Shapes for Various Applications

Ideal for Rechargeable Battery Manufacturing Lines

All Metal Parts Are Stainless Steel. No Worries About Conductive Copper Intrusion.

The case, nuts, and washers of the Cylindrical Sensors are all stainless steel, as are the mounting plates and sleeves of the M3-mounting Sensors. Harmful copper, zinc, and nickel plating are not used, enabling reliable application in rechargeable battery manufacturing lines. Stainless-steel screws are also available, for immediate application for rechargeable batteries.

Lineup

Sensors

M2-mounting Sensors

A set of mounting screws is included with the Sensor.

Sensing method	Appearance	Sensing distance (Red light)	Operation mode	Model
Sensing method	Appearance	Sensing distance (Red light)	Operation mode	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**
		2 m (Red light) (Sensitivity Adjustment Unit can be used.)	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**
		1 m (Red light) (Sensitivity Adjustment Unit can be used.)	Dark-ON	*E3T-ST12 2M 4**	*E3T-ST14 2M 4**
		300 mm (Red light)	Light-ON	E3T-ST21 2M	E3T-ST23 2M
		300 mm (Red light)	Dark-ON	E3T-ST22 2M	E3T-ST24 2M
		2 m (Infrared light)	Light-ON	E3T-ST31F 2M	E3T-ST33F 2M
		2 m (Infrared light)	Dark-ON	E3T-ST32F 2M	E3T-ST34F 2M
		1 m (Infrared light)	Light-ON	E3T-ST11F 2M	E3T-ST13F 2M
		1 m (Infrared light)	Dark-ON	E3T-ST12F 2M	E3T-ST14F 2M
		300 mm (Infrared light)	Light-ON	E3T-ST21F 2M	E3T-ST23F 2M
		300 mm (Infrared light)	Dark-ON	E3T-ST22F 2M	E3T-ST24F 2M
		500 mm (Red light)	Light-ON	*E3T-FT11 2M 4**	*E3T-FT13 2M 4**
		500 mm (Red light)	Dark-ON	*E3T-FT12 2M 4**	*E3T-FT14 2M 4**
		300 mm (Red light)	Light-ON	E3T-FT21 2M	E3T-FT23 2M
		300 mm (Red light)	Dark-ON	E3T-FT22 2M	E3T-FT24 2M
		500 mm (Infrared light)	Light-ON	E3T-FT11F 2M	E3T-FT13F 2M
		500 mm (Infrared light)	Dark-ON	E3T-FT12F 2M	E3T-FT14F 2M
		300 mm (Infrared light)	Light-ON	E3T-FT21F 2M	E3T-FT23F 2M
		300 mm (Infrared light)	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*
Retro- reflective			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**
Diffuse- reflective		5 to 30 mm (Red light)	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**
		5 to 15 mm (Red light)	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**
		5 to 30 mm (Red light)	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**
		1 to 15 mm (Red light)	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**
		1 to 30 mm (Red light)	Dark-ON	*E3T-FL22 2M 4**	*E3T-FL24 2M 4**

M3-mounting Sensors

A set of mounting screws is not included with the Sensor. Order a Screw Set separately if required.

Sensing method	Appearance	Sensing distance (Red light)	Operation mode	Model
Sensing method	Appearance	Sensing distance (Red light)	Operation mode	NPN output	PNP output
Through-beam (Emitter + Receive) *1		1 m (Red light)	Light-ON	E3T-ST11M 2M	E3T-ST13M 2M
		1 m (Red light)	Dark-ON	E3T-ST12M 2M	E3T-ST14M 2M
		300 mm (Red light)	Light-ON	E3T-ST21M 2M	E3T-ST23M 2M
		300 mm (Red light)	Dark-ON	E3T-ST22M 2M	E3T-ST24M 2M
		1 m (Infrared light)	Light-ON	E3T-ST11MF 2M	E3T-ST13MF 2M
		1 m (Infrared light)	Dark-ON	E3T-ST12MF 2M	E3T-ST14MF 2M
		300 mm (Infrared light)	Light-ON	E3T-ST21MF 2M	E3T-ST23MF 2M
		300 mm (Infrared light)	Dark-ON	E3T-ST22MF 2M	E3T-ST24MF 2M
Diffuse- reflective		5 to 30 mm (Red light)	Light-ON	E3T-FD11M 2M	E3T-FD13M 2M
Diffuse- reflective		5 to 30 mm (Red light)	Dark-ON	E3T-FD12M 2M	E3T-FD14M 2M
Limited- reflective		5 to 15 mm (Red light)	Light-ON	E3T-SL11M 2M	E3T-SL13M 2M
		5 to 15 mm (Red light)	Dark-ON	E3T-SL12M 2M	E3T-SL14M 2M
		5 to 30 mm (Red light)	Light-ON	E3T-SL21M 2M	E3T-SL23M 2M
		5 to 30 mm (Red light)	Dark-ON	E3T-SL22M 2M	E3T-SL24M 2M

*1. The model number of the Emitter is expressed by adding an “L” to the set model number in the table.
Example: E3T-ST11-L 2M
The model number of the Receiver is expressed by adding a “D” to the set model number in the table.
Example: E3T-ST11-D 2M
*2. Values in parentheses indicate the minimum required distance between the Sensor and Reflector.
*3. Models are available either with or without the E39-R37-CA Reflector included.
Models with E39-R37-CA Reflector: E3T-SR4[]-S
Models without Reflector: E3T-SR4[]-C
*4. Models with robot (bending-resistant) cable are also available with “R” in the model number. (Example: E3T-ST11R 2M)

Small Cylindrical Sensors

A set of mounting nuts is included with the Sensor.

Sensing method	Appearance	Sensing distance	Operation mode	Model
Sensing method	Appearance	Sensing distance	Operation mode	NPN output	PNP output
Through-beam (Emitter + Receive)		1 m (Red light)	Light-ON	—	—
		1 m (Red light)	Dark-ON	E3T-CT12 2M	E3T-CT14 2M
		500 mm (Red light)	Light-ON	—	—
		500 mm (Red light)	Dark-ON	E3T-CT22S 2M	E3T-CT24S 2M
Diffuse- reflective (with adjuster)		3 to 50 mm Infrared light	Light-ON	E3T-CD11 2M	E3T-CD13 2M
Diffuse- reflective (with adjuster)		3 to 50 mm Infrared light	Dark-ON	—	—

Accessories (Order Separately)

Accessories for M2-mounting Sensors

These accessories are not included with the Sensor. Order them separately if required.

Name		Applicable Sensor	Model	Quantity	Remarks
Slit for Through- beam Side-view Sensors	0.5 dia.	E3T-ST3[][]	E39-S63	2 (One each for Emitter and Receiver; common with Slit widths of 1 dia. And 0.5 dia.)	Sensing distance 200 mm, Minimum detectable object (reference value) 0.5-mm dia.
		E3T-ST1[][]			Sensing distance 100 mm, Minimum detectable object (reference value) 0.5-mm dia.
		E3T-ST2[][]			Sensing distance 30 mm, Minimum detectable object (reference value) 0.5-mm dia.
	1 dia.	E3T-ST3[][]			Sensing distance 600 mm, Minimum detectable object (reference value) 1-mm dia.
		E3T-ST1[][]			Sensing distance 300 mm, Minimum detectable object (reference value) 1-mm dia.
		E3T-ST2[][]			Sensing distance 100 mm, Minimum detectable object (reference value) 1-mm dia.
Slit for Through- beam Flat Sensors	0.5 dia.	E3T-FT1[][]	E39-S64		Sensing distance 50 mm, Minimum detectable object (reference value) 0.5-mm dia.
	0.5 dia.	E3T-FT2[][]			Sensing distance 30 mm, Minimum detectable object (reference value) 0.5-mm dia.
	1 dia.	E3T-FT1[][]			Sensing distance 100 mm, Minimum detectable object (reference value) 1-mm dia.
	1 dia.	E3T-FT2[][]			Sensing distance 50 mm, Minimum detectable object (reference value) 1-mm dia.
Sensitivity Adjustment Unit for Through-beam Side-view Sensors with Red Light		E3T-ST3[]	E39-E10	1	Sensing distance (reference value) 1,200 to 1,800 mm
		E3T-ST1[]	E39-E10	1	Sensing distance (reference value) 300 to 800 mm
Mounting Brackets for Side- view Sensors *1		E3T-S[][][][]	E39-L116	1	Nut plate provided
			E39-L117
			E39-L118
Mounting Brackets for Flat Sensors *1		E3T-F[][][][]	E39-L119		—
Mounting Brackets for Flat Sensors *1		E3T-F[][][][]	E39-L120		—
Screw Set for Side-view Sensors 2 3		E3T-S[][][][]	E39-L164	2 for each	Material: Iron (Same type as provided with the Sensor.) Contents: Set screws (M2×14), Hexagonal nuts
Screw Set for Flat Sensors 2 3		E3T-F[][][][]	E39-L165	2 for each	Material: Iron (Same type as provided with the Sensor.) Contents: Set screws (M2×8), Hexagonal nuts
SUS Screw Set for Flat Sensors *2		E3T-F[][][][]	E39-L172	2	Material: SUS304 Contents: Bolt with hexagonal hole (M2×6)
SUS Screw Set for Side- view Sensors *2		E3T-S[][][][]	E39-L173	2 for each	Material: SUS304 Contents: Bolt with hexagonal hole (M2×12), Hexagonal nuts, Spring washers, Flat washers

*1. When using Through-beam Sensors (E3T-ST[][], E3T-FT[][]), order one Bracket for the Emitter and one for the Receiver.
*2. Order two Sets, one for the Emitter and one for the Receiver, for Through-beam Sensors (E3T-ST[][] or E3T-FT[][]).
This is the Screw Set for mounting the Sensor to the Mounting Bracket. Order this Set if you lose the screws. Do not use this Screw Set to mount the Mounting Bracket to the equipment.
*3. This is included with the Sensor.

Accessories for M3-mounting Sensors

These accessories are not included with the Sensor. Order them separately if required.

Name		Applicable Sensor	Model	Quantity	Remarks
Slits for Through- beam Side-view Sensors	0.5 dia.	E3T-ST1[]M[]	E39-S76A	2 (One each for Emitter and Receiver)	Sensing distance 100 mm, Minimum detectable object (reference value) 0.5-mm dia.
	0.5 dia.	E3T-ST2[]M[]	E39-S76A		Sensing distance 30 mm, Minimum detectable object (reference value) 0.5-mm dia.
	1 dia.	E3T-ST1[]M[]	E39-S76B		Sensing distance 300 mm, Minimum detectable object (reference value) 1-mm dia.
	1 dia.	E3T-ST2[]M[]	E39-S76B		Sensing distance 100 mm, Minimum detectable object (reference value) 1-mm dia.
Mounting Bracket for Side- view Sensors *1		E3T-S[][][]M[]	E39-L166	1	Nut plate provided
Mounting Bracket for Flat Sensors		E3T-FD[][]M	E39-L167		—
Back-mounting Spacer for Flat Sensors		E3T-FD[][]M	E39-L168		Use this Spacer when mounting a Flat Sensor (E3T-FD[][]M) from the back.
SUS Screw Set for Flat Sensors *2		E3T-FD[][]M	E39-L170	2	Material: SUS304 Contents: Bolt with hexagonal hole (M3×6)
SUS Screw Set for Side- view Sensors 2 3		E3T-S[][][]M[]	E39-L171	2 for each	Material: SUS304 Contents: Bolt with hexagonal hole (M3×15), Hexagonal nuts, Spring washers, Flat washers

*1. When using Through-beam Sensors (E3T-ST[][]M[]), order one bracket for the Emitter and one for the Receiver.
*2. This is the Screw Set for mounting the Sensor to the Mounting Bracket. Order this Set if you loose the screws. Do not use this Screw Set to mount the Mounting Bracket to the equipment.
*3. Order two Sets, one for the Emitter and one for the Receiver, for Through-beam Sensors (E3T-ST[][]M[]).

Accessories for Small Cylindrical Sensors

Name	Applicable Sensor	Model	Quantity	Remarks
SUS Nut Set for Through- beam Sensors *	E3T-CT[][] E3T-CT[][]S	E39-M5	4 (Hexagonal nuts), 2 (Toothed washers)	Material: SUS303 (Same type as provided with the Sensor.)
SUS Nut Set for Diffuse- reflective Sensors	E3T-CD[][]	E39-M6	2 (Hexagonal nuts), 1 (Toothed washers)	Material: SUS303 (Same type as provided with the Sensor.)
Adjustment Driver for Diffuse-reflective Sensors	E3T-CD[][]	E39-G17	1	This Driver is used to turn the sensitivity adjuster. Provided with E3T-CD[][]

* This Nut Set is for the Emitter/Receiver. This is the Nut Set for mounting the Sensor. Order this Set if you lose the screws.

Accessories for All Sensors

Name	Applicable Sensor	Model	Quantity	Remarks
Small Reflectors (for Retro-reflective Sensors)	E3T-SR4[]	E39-R4	1	Sensing distance 200 mm [30 mm] *1 Minimum detectable object 2-mm dia. Provided with the E3T-SR4[]
Small Reflectors (for Retro-reflective Sensors)	E3T-SR4[]-S	*E39-R37-CA 2**		Sensing distance 100 mm [10 mm] *1 Minimum detectable object 2-mm dia. Provided with the E3T-SR4[]-S
Tape Reflectors (for Retro-reflective Sensors)	E3T-SR4[]-C	*E39-RS1-CA 2**		Sensing distance 100 mm [10 mm] *1 Minimum detectable object 2-mm dia. Use Tape Reflectors in combination with the E3T-SR4[]-C, which does not come with a Reflector.
		*E39-RS2-CA 2**
		*E39-RS3-CA 2**

*1. Values in parentheses indicate the minimum required distance between the Sensor and Reflector.
*2. The E3T-SR4[] cannot be used with the E39-R37 or E39-RS1/2/3 (without CA) Tape Reflectors.
The E39-[]-CA Reflector is for use only with the E3T-SR4[]. It cannot be used with other Sensors.

Specifications

Sensing method		Through-beam
Appearance		Rectangular type (Side-view)
NPN output	Light-ON	E3T-ST31	E3T-ST31F	E3T-ST11 E3T-ST11M	E3T-ST11F E3T-ST11MF	E3T-ST21 E3T-ST21M	E3T-ST21F E3T-ST21MF
NPN output	Dark-ON	E3T-ST32	E3T-ST32F	E3T-ST12 E3T-ST12M	E3T-ST12F E3T-ST12MF	E3T-ST22 E3T-ST22M	E3T-ST22F E3T-ST22MF
PNP output	Light-ON	E3T-ST33	E3T-ST33F	E3T-ST13 E3T-ST13M	E3T-ST13F E3T-ST13MF	E3T-ST23 E3T-ST23M	E3T-ST23F E3T-ST23MF
PNP output	Dark-ON	E3T-ST34	E3T-ST34F	E3T-ST14 E3T-ST14M	E3T-ST14F E3T-ST14MF	E3T-ST24 E3T-ST24M	E3T-ST24F E3T-ST24MF
Sensing distance		2 m		1 m		300 mm
Standard sensing object		Opaque, 3-mm dia. min.		Opaque, 2-mm dia. min.
Minimum detectable object (reference value)		Opaque, 3-mm dia.		Opaque, 2-mm dia.
Hysteresis (white paper)		—
Black/white error		—
Directional angle		Emitter: 2° to 20° Receiver: 2° to 70°
Light source (wavelength)		Red LED (650 nm)	Infrared LED (860 nm)	Red LED (650 nm)	Infrared LED (860 nm)	Red LED (650 nm)	Infrared LED (860 nm)
Power supply voltage		12 to 24 VDC ±10%, ripple (p-p) 10% max.
Current consumption		30 mA max. (Emitter 10 mA max., Receiver 20 mA max.)
Control output		Load power supply voltage: 26.4 VDC max. Load current: 50 mA max. (residual voltage: 2 V max. for load current of 10 to 50 mA, 1 V max. for load current of less than 10 mA) Open-collector output
Indicators		Operation indicator (orange), Stability indicator (green)
Protection circuits		Power supply and control output reverse polarity protection, Output short-circuit protection
Response time		Operate or reset: 1 ms max.
Ambient illumination		Incandescent lamp: 5,000 lx max., Sunlight: 10,000 lx max.
Ambient temperature range		Operating: -25 to 55°C Storage: -40 to 70°C (with no icing or condensation)
Ambient humidity range		Operating: 35% to 85% Storage: 35% to 95% (with no condensation)
Insulation resistance		20 MΩ min. at 500 VDC
Dielectric strength		AC1,000V, 50/60 Hz for 1 min.
Vibration resistance (destruction)		10 to 2,000 Hz, 1.5-mm double amplitude or 300 m/s² for 0.5 hours each in X, Y, and Z directions
Shock resistance (destruction)		1,000 m/s² 3 times each in X, Y, and Z directions
Degree of protection		IEC 60529 IP67
Connection method		Pre-wired (standard length: 2 m)
Weight (packed state)		Approx. 40 g
Materials	Case	PBT (polybutylene terephthalate)
	Display window	Denatured polyarylate
	Lens	Denatured polyarylate
	Hexagonal nuts	—
	Toothed washers	—
Accessories *		Instruction manual, Set screws for mounting (Side-view Sensors: M2 × 14, Flat Sensors: M2 × 8), Nuts

* Only the Instruction Manual is included with an M3-mounting Sensor (E3T-ST[][]M(F)). Order the Set of Mounting Screws separately if required.

Sensing method		Through-beam
Appearance		Rectangular type (Flat)
NPN output	Light-ON	E3T-FT11	E3T-FT11F	E3T-FT21	E3T-FT21F
NPN output	Dark-ON	E3T-FT12	E3T-FT12F	E3T-FT22	E3T-FT22F
PNP output	Light-ON	E3T-FT13	E3T-FT13F	E3T-FT23	E3T-FT23F
PNP output	Dark-ON	E3T-FT14	E3T-FT14F	E3T-FT24	E3T-FT24F
Sensing distance		500 mm		300 mm
Standard sensing object		Opaque, 1.3-mm dia. min.
Minimum detectable object (reference value)		Opaque, 1.3-mm dia.
Hysteresis (white paper)		—
Black/white error		—
Directional angle		Emitter: 3° to 25° Receiver: 3° min.
Light source (wavelength)		Red LED (650 nm)	Infrared LED (860 nm)	Red LED (650 nm)	Infrared LED (860 nm)
Power supply voltage		12 to 24 VDC ±10%, ripple (p-p) 10% max.
Current consumption		30 mA max. (Emitter 10 mA max., Receiver 20 mA max.)
Control output		Load power supply voltage: 26.4 VDC max. Load current: 50 mA max. (residual voltage: 2 V max. for load current of 10 to 50 mA, 1 V max. for load current of less than 10 mA) Open-collector output
Indicators		Operation indicator (orange), Stability indicator (green)
Protection circuits		Power supply and control output reverse polarity protection, Output short-circuit protection
Response time		Operate or reset: 1 ms max.
Ambient illumination		Incandescent lamp: 5,000 lx max., Sunlight: 10,000 lx max.
Ambient temperature range		Operating: -25 to 55°C Storage: -40 to 70°C (with no icing or condensation)
Ambient humidity range		Operating: 35% to 85% Storage: 35% to 95% (with no condensation)
Insulation resistance		20 MΩ min. at 500 VDC
Dielectric strength		AC1,000V, 50/60 Hz for 1 min.
Vibration resistance (destruction)		10 to 2,000 Hz, 1.5-mm double amplitude or 300 m/s² for 0.5 hours each in X, Y, and Z directions
Shock resistance (destruction)		1,000 m/s² 3 times each in X, Y, and Z directions
Degree of protection		IEC 60529 IP67
Connection method		Pre-wired (standard length: 2 m)
Weight (packed state)		Approx. 40 g
Materials	Case	PBT (polybutylene terephthalate)
	Display window	Denatured polyarylate
	Lens	Denatured polyarylate
	Hexagonal nuts	—
	Toothed washers	—
Accessories *		Instruction manual, Set screws for mounting (Side-view Sensors: M2 × 14, Flat Sensors: M2 × 8), Nuts

* Only the Instruction Manual is included with an M3-mounting Sensor (E3T-ST[][]M(F)). Order the Set of Mounting Screws separately if required.

Sensing method		Through-beam		Retro-reflective (without M.S.R. function)
Appearance		Cylindrical type (Top-view)	Cylindrical type (Side-view)	Rectangular type (Side-view)
NPN output	Light-ON	—	—	E3T-SR41
NPN output	Dark-ON	E3T-CT12	E3T-CT22S	E3T-SR42
PNP output	Light-ON	—	—	E3T-SR43
PNP output	Dark-ON	E3T-CT14	E3T-CT24S	E3T-SR44
Sensing distance		1 m	500 mm	200 mm [30 mm] * (Using the E39-R4) 100 mm [10 mm] * (Using the E39-R37-CA)
Standard sensing object		Opaque, 4-mm dia. min.	Opaque, 5-mm dia. min.	Opaque, 27-mm dia. min.
Minimum detectable object (reference value)		—		2-mm dia. (Sensing distance 100 mm)
Hysteresis (white paper)		—
Black/white error		—
Directional angle		Receiver: 2°	Receiver: 10°	2 to 20°
Light source (wavelength)		Red LED (630 nm)	Red LED (625 nm)	Red LED (650 nm)
Power supply voltage		12 to 24 VDC ±10%, ripple (p-p) 10% max.
Current consumption		30 mA max. (Emitter 15 mA max., Receiver 15 mA max.)		20 mA max.
Control output		Load power supply voltage: 30 VDC max. Load current: 80 mA max. (residual voltage: 1 V max.) Open-collector output		Load power supply voltage: 26.4 VDC max. Load current: 50 mA max. (residual voltage: 2 V max. for load current of 10 to 50 mA, 1 V max. for load current of less than 10 mA) Open-collector output
Indicators		Operation indicator (orange), Stability indicator (green)
Protection circuits		Power supply reverse polarity protection, Output short-circuit protection		Power supply and control output reverse polarity protection, Output short-circuit protection, Mutual interference prevention
Response time		Operate or reset: 0.5 ms max.		Operate or reset: 1 ms max.
Ambient illumination		Incandescent lamp: 3,000 lx max.		Incandescent lamp: 5,000 lx max., Sunlight: 10,000 lx max.
Ambient temperature range		Operating: -25 to 55°C Storage: -30 to 70°C (with no icing or condensation)		Operating: -25 to 55°C Storage: -40 to 70°C (with no icing or condensation)
Ambient humidity range		Operating or Storage: 35% to 85% (with no condensation)		Operating: 35% to 85% Storage: 35% to 95% (with no condensation)
Insulation resistance		20 MΩ min. at 500 VDC
Dielectric strength		AC500V, 50/60 Hz for 1 min.		AC1,000V, 50/60 Hz for 1 min.
Vibration resistance (destruction)		10 to 55Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions		10 to 2,000 Hz, 1.5-mm double amplitude or 300 m/s² for 0.5 hours each in X, Y, and Z directions
Shock resistance (destruction)		500 m/s² 3 times each in X, Y, and Z directions		1,000m/s² 3 times each in X, Y, and Z directions
Degree of protection		IEC 60529 IP65		IEC 60529 IP67
Connection method		Pre-wired (standard length: 2 m)
Weight (packed state)		Approx. 60 g		Approx. 20 g
Materials	Case	SUS303		PBT (polybutylene terephthalate)
	Display window	Polysulfone		Denatured polyarylate
	Lens	Polysulfone		Methacrylc resin
	Hexagonal nuts	SUS303		—
	Toothed washers	SUS303		—
Accessories		Instruction manual, Hexagonal nuts, Toothed washers		Instruction manual, Set screws for mounting (M2×14), Nuts, E39-R4 (E3T-SR4[] only), E39-R37-CA (E3T-SR4[]-S only)

* Values in parentheses indicate the minimum required distance between the Sensor and Reflector.

Sensing method		Diffuse-reflective
Appearance		Rectangular type (Flat)	Cylindrical type (Top-view)
NPN output	Light-ON	E3T-FD11 E3T-FD11M	E3T-CD11
NPN output	Dark-ON	E3T-FD12 E3T-FD12M	—
PNP output	Light-ON	E3T-FD13 E3T-FD13M	E3T-CD13
PNP output	Dark-ON	E3T-FD14 E3T-FD14M	—
Sensing distance		5 to 30 mm (50 × 50 mm white paper)	3 to 50 mm (100 × 100 mm white paper)
Standard sensing object		—
Minimum detectable object (reference value)		0.15-mm dia. (sensing distance 10 mm)	—
Hysteresis (white paper)		6 mm max.	15% or less of the sensing distance
Black/white error		—
Directional angle		—
Light source (wavelength)		Red LED (650 nm)	Infrared LED (870 nm)
Power supply voltage		12 to 24 VDC ±10%, ripple (p-p) 10% max.
Current consumption		20 mA max.
Control output		Load power supply voltage: 26.4 VDC max. Load current: 50 mA max. (residual voltage: 2 V max. for load current of 10 to 50 mA, 1 V max. for load current of less than 10 mA) Open-collector output	Load power supply voltage: 30 VDC max. Load current: 80 mA max. (residual voltage: 1 V max.) Open-collector output
Indicators		Operation indicator (orange), Stability indicator (green)
Protection circuits		Power supply and control output reverse polarity protection, Output short-circuit protection, Mutual interference prevention	Power supply reverse polarity protection, Output short-circuit protection
Response time		Operate or reset: 1 ms max.	Operate or reset: 0.5 ms max.
Ambient illumination		Incandescent lamp: 5,000 lx max., Sunlight: 10,000 lx max.	Incandescent lamp: 3,000 lx max.
Ambient temperature range		Operating: -25 to 55°C Storage: -40 to 70°C (with no icing or condensation)	Operating: -25 to 55°C Storage: -30 to 70°C (with no icing or condensation)
Ambient humidity range		Operating: 35% to 85% Storage: 35% to 95% (with no condensation)	Operating or Storage: 35% to 85% (with no condensation)
Insulation resistance		20 MΩ min. at 500 VDC
Dielectric strength		1,000 VAC, 50/60 Hz for 1 min.	500 VAC, 50/60 Hz for min.
Vibration resistance (destruction)		10 to 2,000 Hz, 1.5-mm double amplitude or 300 m/s² for 0.5 hours each in X, Y, and Z directions	10 to 55Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance (destruction)		1,000 m/s² 3 times each in X, Y, and Z directions	500 m/s² 3 times each in X, Y, and Z directions
Degree of protection		IEC 60529 IP67	IEC 60529 IP65
Connection method		Pre-wired (standard length: 2 m)
Weight (packed state)		Approx. 20 g	Approx. 40 g
Materials	Case	PBT (polybutylene terephthalate)	SUS303
	Display window	Denatured polyarylate	Epoxy
	Lens	Denatured polyarylate	Polysulfone
	Hexagonal nuts	—	SUS303
	Toothed washers	—	SUS303
Accessories		Instruction manual, Set screws for mounting (M2 × 8), Nuts *	Instruction manual, Hexagonal nuts, Toothed washers, Adjustment driver

* Only the Instruction Manual is included with an M3-mounting Sensor (E3T-FD[][]M or E3T-SL[][]M). Order the Set of Mounting Screws separately if required.

Sensing method		Limited-reflective		BGS-reflective
Appearance		Rectangular type (Side-view)		Rectangular type (Flat)
NPN output	Light-ON	E3T-SL11 E3T-SL11M	E3T-SL21 E3T-SL21M	E3T-FL11	E3T-FL21
NPN output	Dark-ON	E3T-SL12 E3T-SL12M	E3T-SL22 E3T-SL22M	E3T-FL12	E3T-FL22
PNP output	Light-ON	E3T-SL13 E3T-SL13M	E3T-SL23 E3T-SL23M	E3T-FL13	E3T-FL23
PNP output	Dark-ON	E3T-SL14 E3T-SL14M	E3T-SL24 E3T-SL24M	E3T-FL14	E3T-FL24
Sensing distance		5 to 15 mm (50 × 50 mm white paper)	5 to 30 mm (50 × 50 mm white paper)	1 to 15 mm (50 × 50 mm white paper)	1 to 30 mm (50 × 50 mm white paper)
Standard sensing object		—
Minimum detectable object (reference value)		0.15-mm dia. (sensing distance 10 mm)		0.15-mm dia. non-glossy object (sensing distance 10 mm)
Hysteresis (white paper)		2 mm max.	6 mm max.	0.5 mm max.	2 mm max.
Black/white error		—		15% max.
Directional angle		—
Light source (wavelength)		Red LED (650 nm)
Power supply voltage		12 to 24 VDC ±10%, ripple (p-p) 10% max.
Current consumption		20 mA max.
Control output		Load power supply voltage: 26.4 VDC max. Load current: 50 mA max. (residual voltage: 2 V max. for load current of 10 to 50 mA, 1 V max. for load current of less than 10 mA) Open-collector output
Indicators		Operation indicator (orange), Stability indicator (green)
Protection circuits		Power supply and control output reverse polarity protection, Output short-circuit protection, Mutual interference prevention
Response time		Operate or reset: 1 ms max.
Ambient illumination		Incandescent lamp: 5,000 lx max., Sunlight: 10,000 lx max.
Ambient temperature range		Operating: -25 to 55°C Storage: -40 to 70°C (with no icing or condensation)
Ambient humidity range		Operating: 35% to 85% Storage: 35% to 95% (with no condensation)
Insulation resistance		20 MΩ min. at 500 VDC
Dielectric strength		1,000 VAC, 50/60 Hz for 1 min.
Vibration resistance (destruction)		10 to 2,000 Hz, 1.5-mm double amplitude or 300 m/s² for 0.5 hours each in X, Y, and Z directions
Shock resistance (destruction)		1,000m/s² 3 times each in X, Y, and Z directions
Degree of protection		IEC 60529 IP67
Connection method		Pre-wired (standard length: 2 m)
Weight (packed state)		Approx. 20 g
Materials	Case	PBT (polybutylene terephthalate)
	Display window	Denatured polyarylate
	Lens	Denatured polyarylate
	Hexagonal nuts	—
	Toothed washers	—
Accessories		Instruction manual, Set screws for mounting (M2 × 14), Nuts *		Instruction manual, Set screws for mounting (M2 × 8), Nuts

* Only the Instruction Manual is included with an M3-mounting Sensor (E3T-FD[][]M or E3T-SL[][]M). Order the Set of Mounting Screws separately if required.