Document Outline
- Front Page
- Ordering Information
- Specifications
- Engineering Data
- Dimensions
2
E3HQ
E3HQ
Ideal For Use In Harsh Chemical
Environments
Teflon
Photoelectric Sensor
E3HQ
s
Teflon
housing and cable protect sensor
against harsh chemicals
s
10 mm dia. housing fits in tight places
s
Built-in amplifier allows direct
connection of sensor to control interface
s
Stainless steel bracket included to aid in
mounting
Sensing head
10 mm (0.39 in.) dia.
Method of detection
Through-beam
Sensing distance
80 cm (2.62 ft.)
Operation mode
Light-ON
Dark-ON
Part number
E3HQ-CT11
E3HQ-CT12 (For 5 m cable, order E3HQ-CT12-5M)
Ordering Information
s
SENSORS
Teflon--Reg TM E.I. DuPont de Nemours and Co.
Detection of broken drill bit
Object sensing in caustic solution
Corrosive oil
s
TYPICAL APPLICATIONS
E3HQ
3
E3HQ
Photoelectric
sensor
circuit
Load
(relay, sink)
Voltage logic
(source)
Specifications
Part number
E3HQ-CT1
Method of detection
Through-beam
Supply voltage
12 to 24 VDC
Current consumption
Emitter
25 mA max.
Receiver
15 mA max.
Sensing distance
80 cm (2.62 ft.)
Light source
Pulse modulated infrared LED
Detectable object type
Opaque materials, 6 mm (0.24 in.) minimum dimension
Operation mode
Light-ON
E3HQ-CT11
Dark-ON
E3HQ-CT12
Sensitivity
Fixed
Mutual interference protection
Not provided
Control output
DC
Type
NPN transistor output with constant current source
solid-state
Max. load
Load (relay, sink) logic: 80 mA at 24 VDC
Voltage (source) logic: 1.5 to 3 mA
Max. on-state
1 VDC at 80 mA
voltage drop
Response time
On
5 ms max.
Off
5 ms max.
Circuit protection
Output short-
Provided
circuit
DC power
Provided
supply reverse
polarity
Indicators
Emitter
Power On (red LED)
Receiver
Light Incident (red LED)
Materials
Sensor
Teflon-coated
Cable
Teflon-coated
Connections
Prewired
Emitter
2-conductor cable, 2 m (6.56 ft.) length [E3HQ-CT12-5M, 5 m (16.4 ft) cable]
Receiver
3-conductor cable, 2 m (6.56 ft.) length [E3HQ-CT12-5M, 5 m (16.4 ft) cable]
Weight
Emitter
40 g (1.4 oz.)
Receiver
45 g (1.6 oz.)
Enclosure ratings
UL
1
NEMA
1, 3, 4X, 6, 12
IEC 144
IP67
Approvals
UL
--
CSA
--
Ambient temperature
Operating
-25
to 55
C (-13
to 131
F)
Storage
-30
to 70
C (-22
to 158
F)
s
OUTPUT CIRCUIT DIAGRAM
E3HQ-CT1
1.5 to 3 mA
Z
Brown (Red)
Blue (Black)
0 V
+12 to 24 V
Light
incident
indicator
Output (on receiver)
Black (White)
Note: IEC colors are shown first.
4
E3HQ
E3HQ
s
TIMING CHART
Light-ON operation mode
Dark-ON operation mode
Sensing distance (m)
Operating level
Excess gain ratio
0
0.5
1.5
500
5
1
50
2.0
30
10
3
1
0.5
300
100
s
EXCESS GAIN RATIO
s
PARALLEL OFFSET
E3HQ-CT1
E3HQ-CT1
Parallel offset Y (cm)
0
0.5
1.5
15
5
1
10
X
Y
Engineering Data
Sensing distance X (m)
Model
Torque
E3HQ-CT1
2 kgf-cm (1.7 in-lbs)
Set screw
s
TIGHTENING FORCE
Do not exceed the torque listed in the table
below when tightening the set screw.
Dimensions
Light
Light incident
indicator
Output transistor
Load (between
+V and output)
Voltage logic
(between 0 V and
output)
Incident
Interrupted
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Light
Light incident
indicator
Output transistor
Load (between
+V and output)
Voltage logic
(between 0 V and
output)
Incident
Interrupted
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Unit: mm (inch)
E3HQ-CT1
3.4
Mounting holes
20 (0.79)
9.2 (0.36)
304 stainless steel
mounting bracket
0.6
(0.02)
Lens, 6.25
(0.25) dia.
10
2.6
2.6
3.4
25
Indicator
Teflon resin
Teflon resin
Groove for mounting
bracket
51.7
(2.04)
30
(1.18)
20
(0.79)
10 dia.
(0.39)
2.5 mm dia.
0.1 mm x 19,
3 conductor
emitter: two conductor
E3HQ
E3HQ
OMRON ELECTRONICS LLC
OMRON CANADA, INC.
One East Commerce Drive
885 Milner Avenue
Schaumburg, IL 60173
Scarborough, Ontario M1B 5V8
1-800-55-OMRON
416-286-6465
Cat. No. CEDSAX4
11/01
Specifications subject to change without notice.
Printed in the U.S.A.
OMRON ON-LINE
Global - http://www.omron.com
USA - http://www.omron.com/oei
Canada - http://www.omron.com/oci
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