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E3HT
3
E3HT
Part number
E3HT-1E
E3HT-D3E
E3HT-DS3E1-M1J
Method of detection
Through-beam
Diffuse reflective
Supply voltage
12 to 24 VDC
Current consumption
Emitter: 25 mA max.
30 mA max.
Receiver: 15 mA max.
Sensing distance
1 m (3.28 ft)
3.5 cm (1.38 in)
with 3 x 3 cm (1.18 x 1.18 in)
90% reflectance white mat paper
Light source
Pulse modulated infrared LED
Detectable object type
Opaque materials,
Opaque materials
6 mm (0.24 in) min. dimension
Operation mode
Light-ON: E3HT-
E1
Dark-ON: E3HT-
E2
Sensitivity
Fixed
Mutual interference protection
Not provided
Control
Type
NPN and TTL Logic
output
Max. load
Load (relay, sink) logic: 80 mA
Voltage (source) logic: 1.5 to 3 mA
Max. on-state
1 VDC at 80 mA
voltage drop
Response time
On
5 ms max.
3 ms max.
Off
5 ms max.
3 ms max.
Circuit protection
Short circuit and reverse polarity protection
Indicators
Emitter: Power On (red LED)
Light Incident (red LED)
Receiver: Light Incident
(red LED)
Materials
Lens
Plastic
Case
Metal, nickel-plated brass
Mounting
M8 threaded body, two nuts and lock washers provided
Connections
Prewired
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
Weight
Emitter: 40 g (1.4 oz.)
45 g (1.6 oz.)
Receiver: 45 g (1.6 oz.)
Enclosure
UL
1
ratings
NEMA
1, 3, 4X, 6, 12
IEC 144
IP66
Approvals
CE
Ambient
Operating
-25
° to 55°C (-13° to 131°F)
temperature
Storage
-30
° to 70°C (-22° to 158°F)
Specifications
s OUTPUT CIRCUIT DIAGRAM
Note: IEC colors are shown in parentheses.
DC
solid
state
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