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- EN
Retroreflective sensor O-20
LR 21 K 4000 P3-K-T4
Article Number: 207264
The transmitter and receiver are in one housing. The emitted light is reflected back by a reflector and evaluated in the retro reflective sensor. Polarization filters also allow the detection of reflecting objects. Retro reflective sensors make long ranges possible, with simple assembly and a high degree of system availability.
- Long ranges with a small design
- High resolution
- Visible red light with small light spot
- Sensitivity is adjustable
- LED switching status display
- Reflector included
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Service voltage
10.8 … 26.4 V DC
No-load current (max.)
15 mA
Insulation voltage endurance
1000 V
Housing dimensions
22 x 13 x 8.5 mm
Housing length
13 mm
Housing height
22 mm
Housing width
8.5 mm
Housing material
Plastic
Material
Acrylic (Window)
Protection class
III, operation on protective low voltage
Operating principle
Retroreflective sensor
Evaluation
digital
Design
Cuboid design
Switching output
pnp, 50 mA, NO/NC
Light source
Laser
Color
red
Wavelength
655 nm
Modulation
Clocked
Ambient light immunity
3 kLx
Range
0 … 4000 mm
Referring reflector
RL 45 x 30 (included)
Sensitivity adjustment
Potentiometer
Switching frequency
1000 Hz
Response time
0.50 ms
Ambient temperature during operation
-10 … +55 °C
Protection type
IP 67
Connection
Pigtail, 0.2 m, M8, 4-pin
Product
Connection
Design
Line length (mm)
Wire cross-section (mm²)
Protection type
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