Omron E3T - Page 8

8 Standard Photoelectric Sensors
Exess Gain vs. Set Distance
Diffuse-reflective (background suppression)
E3T-SL2@ (Right to Left) E3T-FL1@ (Top to Bottom) E3T-FL1@ (Right to Left)
E3T-FL2@ (Top to Bottom) E3T-FL2@ (Right to Left)
Through-beam
E3T-ST1@ E3T-FT1@ E3T-ST2@
40
20
0
20
40
60
80
60
100
6020 400204060
+
Glass
Stainless steel
Angle of
inclination
Rate of ch
ange (%)
Angle of inclination (°
)
15
10
5
0
5
10
15
20
20
402010 30020 103040
Rate of change in sensing distance (%)
Angle of
inclination
White
paper
Center
line
+
Angle of inclination (°)
15
10
5
0
5
10
15
20
20
402010 30020 103040
+
Rate of change in sensing distance (%)
Angle of
inclination
White
paper
Center
line
Angle of inclination (°)
15
10
5
0
5
10
15
20
20
402010 30020 103040
+
Rate of change in sensing distance (%)
Angle of
inclination
White
paper
Center
line
Angle of inclination (°)
15
10
5
0
5
10
15
20
20
402010 30020 103040
+
Rate of change in sensing distance (%)
Angle of
inclination
White
paper
Center
line
Angle of inclination (°)
100
50
30
10
5
3
1
0.5
0.3
0.1
40003000200010000
Excess gain ratio
Operating
level
Set distance (mm)
100
50
30
10
5
3
1
0.5
0.3
0.1
0 400 800 1200 1600 2000
Excess gain ratio
Operating
level
Set distance (mm)
14
12
10
8
6
4
2
0
1
12009006003000
Operating
level
Set distance (mm)
Excess gain ratio