Datasheet
11
SA1E-L Miniature Laser Photoelectric Switches (Built-in Amplifier)
Characteristics (Typical)
1. Through-beam SA1E-LT
Excess Gain (without slit) Excess Gain (with round slit) Lateral Displacement (without slit)
Excess Gain
1
10
100
50403020100
Excess Gain
1
10
100
20 25151050
ø2.0 mm
Slit on receiver
ø1.0 mm
Slit on receiver
ø0.5 mm
Slit on receiver
Lateral Displacement Y (mm)
-30
-20
-10
0
0 5 10 15 20 25 30 35 40 45 50
10
20
30
X
Y
Sensing Distance (m) Sensing Distance (m) Sensing Distance (m)
Angle (without slit) Light Beam Diameter
(Light beam diameter)
Sensing distance below 3 m:
Defined as 1/e
2
(13.5%) of the center intensity
Sensing distance over 3 m:
Reference value (visual inspection)
Receiver Angle θ (°)
-20
-15
-10
-5
0
0510 15 20 25 30 35 40 45 50
5
10
15
20
θ
X
Light Beam Diameter (mm)
0
0510 15 20 25 30 35 40 45 50
10
20
30
40
50
A
A
B
B
Sensing Distance X (m) Sensing Distance (mm)
2. Polarized Retroreflective SA1E-LP
Excess Gain
Lateral Displacement
Angle
Excess Gain
1
10
100
20151050
IAC-R5/R8
IAC-R9
Lateral Displacement Y (mm)
-15
-10
-5
0
5
10
15
012345678910
X
Y
IAC-R5/R8
IAC-R9
Reflector Angle θ (°)
-50
-40
-30
-20
-10
0
10
20
30
40
50
01 23 45 67 8910
IAC-R9
IAC-R5/R8
X
θ
Sensing Distance (m) Sensing Distance X (m) Sensing Distance X (m)
Light Beam Diameter
(Light beam diameter)
Sensing distance below 3 m:
Defined as 1/e
2
(13.5%) of the center intensity
Sensing distance over 3 m:
Reference value (visual inspection)
Light Beam Diameter (mm)
0510 15 20 25 30 35 40 45 50
0
10
20
30
40
50
A
A
B
B
Sensing Distance (mm)
Operation
Level
Operation
Level
Operation
Level
(12/04/19)