Omron E3T - Page 9

9E3T
Sensing Object Size vs. Sensing Distance
Retro-reflective
E3T-FT2@ E3T-SR4@
Diffuse-reflective
Limited-reflective
E3T-FD1@ E3T-SL1@ E3T-SL2@
E3T-SL1@ E3T-FD1@, E3T-SL2@
14
12
10
8
6
4
2
0
2000150010005000
1
Excess gain ratio
Operating
level
Set distance
(
mm
)
100
50
30
10
5
3
1
0.5
0.3
0.1
Excess gain ratio (times)
3002001000
Distance (mm)
Operating
level
E3T- SR4 @ +E39-R37-CA
E3T- SR4@+E39-R4
100
50
30
10
5
3
1
0.5
0.3
0.1
0 10 20 30 40
Excess gain ratio
Operating
level
Black paper
White paper
Set distance (mm
)
0 5 10 15 20
1000
500
300
100
50
30
10
5
3
1
0.5
0.3
0.1
Excess gain ratio
Operating
level
Black paper
White paper
Set distance (mm)
100
50
30
10
5
3
1
0.5
0.3
0.1
0 10 20 30 40
Excess gain ratio
Operating
level
White paper
Black paper
Set distance
(
mm
)
2.0
1.6
1.2
0.8
0.4
0
5 10 15 20
Min. sensing object dia. (mm)
Set distance (mm)
0 5 10 15 20 25 30
10
8
6
4
2
E3T-FD1@
E3T-SL2@
Min. sensing object dia. (mm
)
Sensing object: Pin-gauge, stainless steel
Set distance (mm)