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Leuze RTFR 25B/66-S8: Energetic Diffuse Sensor – 50108474 1

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Leuze RTFR 25B/66-S8: Energetic Diffuse Sensor – 50108474


Energetic diffuse sensor, operating range: 0 – 0.6 m, supply voltage: 10 – 30 V DC, 2 outputs, M8 connector, red LED light source, features fading design and 270 degree potentiometer, IP 67 and IP 66 protection


Series: 25B
Operating principle: Diffuse reflection principle
Operating range, white 90%: 0 – 0.6 m
Operating range, gray 18%: 0.001 – 0.37 m
Operating range, black 6%: 0.015 – 0.33 m
Operating range limit, white 90%: 0 – 0.65 m
Operating range limit, gray 18%: 0.001 – 0.38 m
Operating range limit, black 6%: 0.015 – 0.35 m
Light source: LED, Red
Switching frequency: 500 Hz
Response time: 1 ms
Protective circuit: Polarity reversal protection, Short circuit protected
Supply voltage: 10 – 30 V, DC
Number of digital switching outputs: 2
Output 1 switching element: Transistor, Push-pull
Output 1 switching principle: Light switching (PNP)/dark switching (NPN)
Output 2 switching element: Transistor, Push-pull
Output 2 switching principle: Dark switching (PNP)/light switching (NPN)
Type of connection: Connector
Thread size: M8
Type of fastening: Through-hole mounting, Via optional mounting device
Operational controls: 270 degree potentiometer
Degree of protection: IP 67, IP 66
Certifications: c UL US
Special design: Fading

With its fading function, the RTFR 25B diffuse reflection sensor is able to suppress objects in the background. The range is set electrically by means of a potentiometer.

Fading – object suppression in background
Short response behavior for detecting fast events
Electrical range adjustment via potentiometer

View the complete product specifications

Additional information


Beam Spacing
Column Height
Leuze Product Series
Number of Beams
Safety Level
Operating Range
Number of Protective Fields
Scanning Angle
Protective Field Height


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