Thin, Compact, Cylindrical Photoelectric Sensor
E3HF/E3HS/E3HT/E3HC
CSM_E3HF_E3HS_E3HT_E3HC_DS_E_4_1
• Cylindrical models (E3HT and E3HC) are ideal for embedded
installation.
• Square 7.5-mm model (E3HS) has a sensing distance of 1 m.
• Resin-filled models (E3HS and E3HC) offer excellent vibration
resistance.
• Ultra-thin 7-mm model (E3HF) requires very little depth for
installation, helping to save space.
• E3HTand E3HC comply with EN standards.
Be sure to read
Safety Precautions
on page 6.
Ordering Information
Sensors
Sensing Method
Through-beam
*
Appearance
Sensing distance
Model
Light- ON
E3HF-1E1
Emitter E3HF-1L
Receiver E3HF-1DE1
E3HF-DS5E1
E3HS-1E1
Emitter E3HS-1L
Receiver E3HS-1DE1
E3HS-DS5E1
E3HT-1E1
Emitter E3HT-1L
Receiver E3HT-1DE1
E3HT-DS3E1
E3HC-1E1
Emitter E3HC-1L
Receiver E3HC-1DE1
E3HC-DS3E1
Dark-ON
E3HF-1E2
Emitter E3HF-1L
Receiver E3HF-1DE2
E3HF-DS5E2
E3HS-1E2
Emitter E3HS-1L
Receiver E3HS-1DE2
E3HS-DS5E2
E3HT-1E2
Emitter E3HT-1L
Receiver E3HT-1DE2
E3HT-DS3E2
E3HC-1E2
Emitter E3HC-1L
Receiver E3HC-1DE2
E3HC-DS3E2
Infrared light
700 mm
Diffuse-reflective
50 mm
Through-beam
*
1m
Diffuse-reflective
50 mm
Through-beam
*
1m
Diffuse-reflective
35 mm
Through-beam
*
1m
Diffuse-reflective
35 mm
* Through-beam Sensors are normally sold in sets that include both the Emitter and Receiver.
Orders for individual Emitters and Receivers are accepted.
1
E3HF/E3HS/E3HT/E3HC
Accessories
Slits
Slit width
0.5 mm
×
4 mm
1 mm
×
4 mm
2 mm
×
4 mm
Sensing distance Minimum detectable object (typical)
Quantity
Remarks
0.5-mm dia.
120 mm
1 slit each for the
Seal-type long slit
1-mm dia.
Emitter and Receiver Provided with the E3HF-
200 mm
(6 slits total)
1E@ Through-beam Sensor.
2-mm dia.
400 mm
Mounting Brackets
Appearance
Model
E39-L101
Quantity
1
Remark
Provided with the E3HS
Note: When using through-beam models, order one
bracket for the Receiver and one for the Emitter.
E39-L84
1
Provided with the E3HC
Ratings and Specifications
E3HF/E3HS
Sensing method
Item
Sensing distance
Standard sensing object
Differential travel
Directional angle
Light source (wavelength)
Power supply voltage
Current consumption
Model
Through-beam
E3HF-1E@
700 mm
Opaque, 3.7-mm dia. min.
---
Emitter/Receiver: 3 to 20°
each
Infrared LED (950 nm)
12 to 24 VDC
±10%,
ripple (p-p): 10% max.
Emitter/Receiver: 20 mA
max.
30 mA max.
Emitter/Receiver: 20 mA
max.
30 mA max.
Diffuse-reflective
E3HF-DS5E@
50 mm
(White paper 30
×
30 mm)
---
20% max. of sensing distance
---
1m
Opaque, 5.1-mm dia. min.
---
Emitter/Receiver: 3 to 25°
each
Through-beam
E3HS-1E@
Diffuse-reflective
E3HS-DS5E@
50 mm
(White paper 30
×
30 mm)
---
20% max. of sensing distance
---
Control output
Load power supply voltage: 24 VDC max., Load current: 80 mA (residual voltage: E3HF: 1 V max., E3HS: 1.2 V max.)
NPN voltage output type
Light-ON/Dark-ON (depends on model)
Reverse polarity protection, Reverse polarity protection,
Reverse polarity protection, Reverse polarity protection,
Output short-circuit
Output short-circuit protection, Output short-circuit
Output short-circuit protection,
protection
Mutual interference prevention protection
Mutual interference prevention
Operate or reset: 5 ms max. Operate or reset: 3 ms max.
each
each
---
One-turn adjuster
Operate or reset: 5 ms max. Operate or reset: 3 ms max.
each
each
---
One-turn adjuster
Protection
Response time
Sensitivity adjustment
Ambient illuminance
(Receiver side)
Ambient temperature
Ambient humidity
Insulation resistance
Dielectric strength
Vibration resistance
(destruction)
Shock resistance
(destruction)
Degree of protection
Connection method
Weight (packed state)
Case
Ma-
Lens
terial
Mounting Brackets
Incandescent lamp: 3,000 lx, Sunlight 10,000 lx
Operating:
−25
to 55°C, Storage:
−30
to 70°C (with no icing or condensation)
Operating: 35% to 85%, Storage: 35% to 95% (with no condensation)
20 MΩ min. at 500 VDC
500 VAC at 50/60 Hz for 1 minute
10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
500 m/s
2
for 3 times each in X, Y, and Z directions
IEC IP64
Pre-wired models (standard length: 2 m)
Approx. 110 g
ABS
Methacrylic resin
---
Slit (0.5-mm, 1-mm, 2-mm
widths), Instruction sheet
Screwdriver for adjustment,
Instruction sheet
Stainless steel (SUS304)
Mounting Bracket (with
screws), Stoppers,
Instruction sheet
Mounting Bracket (with
screws), Screwdriver for
adjustment, Stoppers,
Instruction sheet
Approx. 70 g
Approx. 120 g
Stainless steel (SUS304)
Approx. 80 g
IEC IP65
Accessories
2
E3HF/E3HS/E3HT/E3HC
E3HT/E3HC
Sensing method
Item
Sensing distance
Standard sensing object
Differential travel
Directional angle
Light source (wavelength)
Power supply voltage
Current consumption
Model
1m
Opaque, 6.25-mm dia. min.
---
Emitter/Receiver: 10 to 25°
each
Infrared LED (950 nm)
12 to 24 VDC
±10%,
ripple (p-p): 10% max.
Emitter: 25 mA max.
Receiver: 15 mA max.
30 mA max.
Emitter: 25 mA max.
Receiver: 15 mA max.
30 mA max.
Through-beam
E3HT-1E@
Diffuse-reflective
E3HT-DS3E@
35 mm
(White paper 30
×
30 mm)
---
20% max. of sensing distance
---
Infrared LED (940 nm)
1m
Opaque, 6.25-mm dia. min.
---
Emitter/Receiver: 10 to 25°
each
Infrared LED (950 nm)
Through-beam
E3HC-1E@
Diffuse-reflective
E3HC-DS3E@
35 mm
(White paper 30
×
30 mm)
---
20% max. of sensing distance
---
Infrared LED (940 nm)
Control output
Load power supply voltage: 24 VDC max., Load current: 80 mA (Residual voltage: 1 V max.)
NPN open collector output type
Light-ON/Dark-ON (depends on model)
Reverse polarity protection,
Output short-circuit
protection
Operate or reset: 5 ms max.
each
Reverse polarity protection,
Reverse polarity protection,
Output short-circuit protection,
Output short-circuit
Mutual interference
protection
prevention
Operate or reset: 3 ms max.
each
Operate or reset: 5 ms max.
each
Reverse polarity protection,
Output short-circuit protection,
Mutual interference
prevention
Operate or reset: 3 ms max.
each
Protection
Response time
Ambient illuminance
(Receiver side)
Ambient temperature
Ambient humidity
Insulation resistance
Dielectric strength
Vibration resistance
Shock resistance
Degree of protection
Connection method
Weight (packed state)
Case
Mate-
rial
Lens
Mounting Brackets
Accessories
Incandescent lamp: 3,000 lx, Sunlight 10,000 lx
Operating:
−25
to 55°C, Storage:
−30
to 70°C (with no icing or condensation)
Operating: 35% to 85%, Storage: 35% to 95% (with no condensation)
20 MΩ min. at 500 VDC
500 VAC at 50/60 Hz for 1 minute
Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Destruction: 500 m/s
2
for 3 times each in X, Y, and Z directions
IEC IP66
Pre-wired models (standard length: 2 m)
Approx. 130 g
Brass
Methacrylic resin
---
Instruction sheet
Stainless steel (SUS304)
Mounting bracket (with screws), Instruction sheet
Approx. 80 g
Approx. 110 g
Stainless steel (SUS304)
Approx. 75 g
Engineering Data (Typical)
Parallel Operating Range
Through-beam
E3HF-1E@
Distance Y (mm)
150
Through-beam
E3HF-1E@
Distance Y (mm)
100
80
60
40
20
Slit
B (1 mm)
Slit C (2 mm)
Through-beam
E3HS-1E@
Distance Y (mm)
100
Y
X
50
X
0.3
0.6
0.9
Y
Y
Slit A (0.5 mm)
0.3
X
0.6
0.9
1.2
1.5
0
1.2
1.5
0
-20
-40
-60
-80
0.5
1
1.5
2
Distance X (m)
−50
Distance X (m)
Distance X (m)
−100
−150
-100
3
E3HF/E3HS/E3HT/E3HC
Through-beam
E3HT-1E@, E3HC-1E@
Distance Y (mm)
200
150
100
50
0
−50
−100
−150
−200
X
Y
0.5
1
1.5
2
Distance X (m)
Operating Range
Diffuse-reflective
E3HF-DS5E@
Distance Y (mm)
Sensing object: 30
×
30 mm white paper
Y
X
Diffuse-reflective
E3HS-DS5E@
Distance Y (mm)
12 Sensing object: 30
×
30 mm white paper
8
X
4
Y
Diffuse-reflective
E3HT-DS3E@, E3HC-DS3E@
Distance Y (mm)
12
Sensing object: 30
×
30 mm white paper
Y
X
4
8
20
40
60
80
100
0
20
40
60
80
100
0
10
20
30
40
50
Distance X (mm)
−4
−4
Distance
X (mm)
−8
−12
Distance
X (mm)
−8
−12
Excess Gain vs. Set Distance
Through-beam
E3HF-1E@
Excess gain ratio (times)
500
300
100
50
30
10
5
3
Oper-
ating
1
Level
Through-beam
E3HS-1E@
Excess gain ratio (times)
500
300
Through-beam
E3HT-1E@, E3HC-1E@
Excess gain ratio (times)
500
300
100
50
30
10
5
3
Oper-
ating
1
Level
100
70
50
30
10
7
5
3
Oper-
ating
1
Level
0
0.5
0.3
0.1
0
0.5
1.0
1.5
0.5
0.3
0.1
0.5
1.0
1.5
2.0
0
0.5
1.0
1.5
2.0
2.5
Distance (m)
Distance (m)
Distance (m)
4
E3HF/E3HS/E3HT/E3HC
Diffuse-reflective
E3HF-DS5E@
Excess gain ratio (times)
10
7
5
3
Diffuse-reflective
E3HS-DS5E@
Excess gain ratio (times)
Excess gain ratio (times)
500
300
Sensing object: 30
×
30 mm white paper
Diffuse-reflective
E3HT-DS3E@, E3HC-DS3E@
100
70
50
30
100
70
50
30
Oper-
ating
1
Level
10
7
5
3
0.7
0.5
0.3
10
7
5
3
Oper-
ating
1
Level
0
Oper-
ating
Level
1
0.7
0.5
0.3
0.1
0
50
100
150
0.1
20
40
60
80
100
120
0
20
40
60
Distance (mm)
Distance (mm)
Distance (mm)
I/O Circuit Diagrams
NPN Output
Model
E3HF-1E1
*
E3HF-DS5E1
E3HS-1E1
*
E3HS-DS5E1
Light-ON
E3HT-1E1
*
E3HT-DS3E1
E3HC-1E1
*
E3HC-DS3E1
E3HF-1E2
*
E3HF-DS5E2
E3HS-1E2
*
E3HS-DS5E2
Dark-ON
E3HT-1E2
*
E3HT-DS3E2
E3HC-1E2
*
E3HC-DS3E2
Through-beam Model Emitters
Power
indicator
(red)
Photo-
electric
Sensor
main
circuit
Blue
Operation
mode
Timing charts
Output circuit
Incident light
No
incident light
ON
Light
indicator (red) OFF
ON
Output
transistor
OFF
Operate
Load
(e.g., relay)
Reset
Output
voltage
(e.g., logic)
H
L
Through-beam Receivers, Reflective Sensors
(Between
brown
and
black)
Brown
Light
indicator
(red)
Photo-
electric
Sensor
main
circuit
1.5 to 3 mA
+V
(Between
blue
and
black)
Black Output
ZD
Blue
0V
Incident light
No
incident light
ON
Light
indicator (red) OFF
ON
Output
transistor
OFF
Operate
Load
(e.g., relay)
Reset
Output
voltage
(e.g., logic)
H
L
(Between
brown
and
black)
(Between
blue
and
black)
Brown
12 to 24 VDC
* Models numbers for Through-beam Sensors (E3H@-1E@) are for sets that include both the Emitter and Receiver.
Emitter model numbers are in the form E3H@-1L (e.g., E3HF-1L). Receiver model numbers are in the form E3H@-1DE@ (e.g., E3HF-1DE1). Refer to
Ordering
Information
to confirm model numbers for Emitter and Receivers.
5
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