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- EN
Retroreflective sensor O-21
OR21-NS-2C
Article Number: 212986
The transmitter and receiver are in one housing. The emitted light is reflected back by a reflector and evaluated in the retroreflective sensor. Polarization filters also allow the detection of reflecting objects. Retroreflective sensors make long ranges possible, with simple assembly and a high degree of system availability.
- Miniature design
- Mounting element made of metal
- High switching frequency
- Long range
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Service voltage
10 … 30 V DC
No-load current (max.)
20 mA
Inverse polarity protection
Yes
Housing dimensions
28.1 x 8.1 x 14.4 mm
Housing length
8.1 mm
Housing height
28.1 mm
Housing width
14.4 mm
Housing material
Stainless steel / Plastic
Material of cable
PVC
Material
Plastic (Window / optics)
Weight
37 g
Protection class
III, operation on protective low voltage
Approvals
UL
Operating principle
Retroreflective sensor
Evaluation
digital
Design
Cuboid design
Switching output
npn, 100 mA, NO
Voltage drop (max.)
2.5 V
Light source
LED
Color
Red
Wavelength
633 nm
Modulation
Clocked
Light spot size
Ø 120 mm (at distance of 1800 mm)
Range
20 … 1800 mm
Standardized measuring plate
200 x 200 mm (white)
Referring reflector
R 19 x 54 mm
Sensitivity adjustment
no setting elements
Display
LED Green - Operation, yellow - Switching output
Switching frequency
1000 Hz
Ambient temperature during operation
-25 … +60 °C
Temperature range
+60 °C
Protection type
IP 65 / IP 67
Connection
Cable, 2.0 m, 3-pin
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