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9
E3T
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
2000
1500
1000
500
0
1
Excess gain r
atio
Operating
level
Set distance (mm)
100
50
3
0
10
5
3
1
0.5
0.
3
0.1
Exce
ss
g
a
in r
a
tio (time
s
)
3
00
200
100
0
Di
s
t
a
nce (mm)
Oper
a
ting
level
E
3
T-
S
R4
@
+E
3
9-R
3
7-CA
E
3
T-
S
R4
@
+E
3
9-R4
100
50
30
10
5
3
1
0.5
0.3
0.1
0 10
20
30
40
Excess gain r
atio
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 r
atio
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 r
atio
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)