Manual
LW20 / SF20 LiDAR sensor
Product manual
4. Specifications of the LW20 / SF20
!
Cautionary note
The SF20 is an OEM module that requires the customer to provide appropriate heat sinking and EMI shielding.
LW20/B (50 m)
LW20/C (100 m)
SF20/B (50 m)
SF20/C (100 m)
Weight
20 g (excluding cables)
20 g (excluding cables)
10 g (excluding cables)
10 g (excluding cables)
Range
0.2 … 50 m (sunlit white
wall, 45 readings per
second)
0.2 … 100 m (sunlit white
wall, 45 readings per
second)
0.2 … 50 m (sunlit white
wall, 45 readings per
second)
0.2 … 100 m (sunlit white
wall, 45 readings per
second)
Resolution
1 cm
1 cm
1 cm
1 cm
Update rate
48 … 388 readings per
second
48 … 388 readings per
second
48 … 388 readings per
second
48 … 388 readings per
second
Accuracy
±10 cm
±10 cm
±10 cm
±10 cm
Outputs & interfaces
Serial and I2C (3.3 V)
Serial and I2C (3.3 V)
Serial and I2C (3.3 V)
Serial and I2C: 3.3 V
Power supply voltage
4.5 V … 5.5 V
4.5 V … 5.5 V
4.5 V … 5.5 V
4.5 V … 5.5 V
Power supply current
130 mA
130 mA
130 mA
130 mA
Laser power
<2 mW
<2 mW
<2 mW
<2 mW
Dimensions
19.5 mm x 30.2 mm x 35
mm, housing only
19.5 mm x 30.2 mm x 43
mm with cable gland
19.5 mm x 30.2 mm x 35
mm, housing only
19.5 mm x 30.2 mm x 43
mm with cable gland
19.5 mm x 30.2 mm x
32.1 mm
19.5 mm x 30.2 mm x
32.1 mm
Operating temp.
-30 .. +50°C
-30 .. +50°C
-30 .. +50°C
-30 .. +50°C
Approvals
FDA: 1710193-000
(2017/09)
FDA: 1710193-000
(2017/09)
FDA: 1710193-000
(2017/09)
FDA: 1710193-000
(2017/09)
Housing
Aluminium, ABS plastic
and glass
Aluminium, ABS plastic
and glass
ABS plastic and glass
ABS plastic and glass
Optical aperture
28 mm x 15 mm
28 mm x 15 mm
28 mm x 15 mm
28 mm x 15 mm
Beam divergence
0.3°
0.3°
0.3°
0.3°
Lens material
Glass
Glass
Glass
Glass
Connections
Wire tail, 5 core plus
shield
Wire tail, 5 core plus
shield
Wire tail, 5 core plus
shield
Wire tail, 5 core plus
shield
Enclosure rating
IP 67
IP 67
N/A
N/A
LW20 / SF20 LiDAR - Product manual - Revision 9 | of | © LightWare Optoelectronics (Pty) Ltd, 2018 | www.lightware.co.za 7 28