E3T-SR21 2M Omron, E3T-SR21 2M Datasheet - Page 11
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E3T-SR21 2M
Manufacturer Part Number
E3T-SR21 2M
Description
Industrial Photoelectric Sensors 20cmRetro L/On NPN
Manufacturer
Omron
Type
Photoelectric Sensorr
Datasheet
1.E3T-FT11-D.pdf
(21 pages)
Specifications of E3T-SR21 2M
Features
FAO technology
Sensing Method
Retroreflective
Sensing Distance
10 mm to 200 mm
Light Source
Red LED
Connection
Prewired Cable
Output Configuration
NPN Light ON
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating
level
Operating
level
E3T-FT2@
Convergent-reflective
E3T-SL1@
Sensing Object Size vs. Sensing Distance
Convergent-reflective
E3T-SL1@
1000
2.0
1.6
1.2
0.8
0.4
500
300
100
0.5
0.3
0.1
50
30
10
0
14
12
10
5
3
1
8
6
4
2
1
0
0
0
5
500
5
Black paper
10
1000
10
Set distance (mm)
Set distance (mm)
Set distance (mm)
15
1500
15
White paper
20
2000
20
Operating
level
Operating
level
Retro-reflective
E3T-SR4@
E3T-SL2@
Diffuse-reflective, Convergent-reflective
E3T-FD1@, E3T-SL2@
10
8
6
4
2
100
0.5
0.3
0.1
0
100
0.5
0.3
0.1
50
30
10
50
30
10
Sensing object: Pin-gauge, stainless steel
5
3
1
5
3
1
0
0
E3T-SR4@+E39-R37-CA
5
10
10
100
E3T-FD1@
15
20
Black paper
20
E3T-SR4@+E39-R4
Set distance (mm)
200
Set distance (mm)
E3T-SL2@
Set distance (mm)
30
25
White paper
30
300
40
Operating
level
E3T-FD1@
Diffuse-reflective
100
0.5
0.3
0.1
50
30
10
5
3
1
0
10
Black paper
20
Set distance (mm)
30
White paper
40
E3T
11