E3HT
E3HT
8 mm Metal Cylindrical Photoelectric
Threaded Cylindrical M8 Size
with Built-in DC Amplifier
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s
s
s
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Rugged Nickel-plated brass housing
1 m range through-beam
Dual output NPN and TTL logic
Light-ON or Dark-ON models
Cable and connector models
E3HT
Ordering Information
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SENSORS
Method of detection
Sensing distance
Part
Light-ON operation
number
Dark-ON operation
Through-beam
1 m (3.28 ft)
E3HT-1E1
E3HT-1E2
Diffuse reflective
3.5 cm (1.38 in)
E3HT-DS3E1
E3HT-DS3E2
Connector style
—
E3HT-DS3E1-M1J
—
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REPLACEMENT PARTS
Description
Mounting hardware set, includes two mounting nuts and lock washers
Part number
M8-MHWS
2
E3HT
E3HT
Specifications
Part number
Method of detection
Supply voltage
Current consumption
Sensing distance
E3HT-1E
Through-beam
12 to 24 VDC
Emitter: 25 mA max.
Receiver: 15 mA max.
1 m (3.28 ft)
E3HT-D3E
Diffuse reflective
30 mA max.
3.5 cm (1.38 in)
with 3 x 3 cm (1.18 x 1.18 in)
90% reflectance white mat paper
Pulse modulated infrared LED
Opaque materials
E3HT-DS3E1-M1J
Light source
Detectable object type
Operation mode
Sensitivity
Mutual interference protection
Control DC
Type
solid
output
Max. load
state
Max. on-state
voltage drop
On
Off
Opaque materials,
6 mm (0.24 in) min. dimension
Light-ON: E3HT-
E1
Dark-ON: E3HT-
E2
Fixed
Not provided
NPN and TTL Logic
Load (relay, sink) logic: 80 mA
Voltage (source) logic: 1.5 to 3 mA
1 VDC at 80 mA
Response time
Circuit protection
Indicators
5 ms max.
3 ms max.
5 ms max.
3 ms max.
Short circuit and reverse polarity protection
Emitter: Power On (red LED)
Light Incident (red LED)
Receiver: Light Incident
(red LED)
Plastic
Metal, nickel-plated brass
M8 threaded body, two nuts and lock washers provided
Emitter: 2-conductor cable,
3-conductor cable, 2 m (6.56 ft)
2 m (6.56 ft) length
Receiver: 3-conductor cable,
2 m (6.56 ft) length
Emitter: 40 g (1.4 oz.)
45 g (1.6 oz.)
Receiver: 45 g (1.6 oz.)
1
1, 3, 4X, 6, 12
IP66
CE
-25° to 55°C (-13° to 131°F)
-30° to 70°C (-22° to 158°F)
Materials
Mounting
Connections
Lens
Case
Prewired
Weight
Enclosure
ratings
Approvals
Ambient
temperature
UL
NEMA
IEC 144
Operating
Storage
s
OUTPUT CIRCUIT DIAGRAM
Note: IEC colors are shown in parentheses.
3
E3HT
E3HT
Dimensions
Unit: mm
s
THROUGH-BEAM TYPE
s
DIFFUSE REFLECTIVE TYPE
Mounting
Do not exceed the torque listed in the table below when
tightening the mounting nuts.
Drawing section
Length
Maximum
allowable torque
A
Front 12 mm
(0.47 in)
20 kg-cm
17.3 in-lbs
B
Back 18 mm
(0.71 in)
30 kg-cm
26 in-lbs
OMRON ELECTRONICS LLC
One East Commerce Drive
Schaumburg, IL 60173
OMRON ON-LINE
Global - http://www.omron.com
USA - http://www.omron.com/oei
Canada - http://www.omron.com/oci
OMRON CANADA, INC.
885 Milner Avenue
Scarborough, Ontario M1B 5V8
1-800-55-OMRON
Cat. No. CEDSAX4
11/01
416-286-6465
Printed in the U.S.A.
Specifications subject to change without notice.
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