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Ultrasonic proximity switch

Ultrasonic proximity switches, also known as ultrasonic sensors or ultrasonic detectors, are non-contact sensing devices that use high-frequency sound waves (typically between 30 kHz and 400 kHz) to detect the presence, distance, or level of objects. These sensors operate on the principle of time-of-flight (ToF) measurement, emitting ultrasonic ...

Ultrasonic proximity switches, also known as ultrasonic sensors or ultrasonic detectors, are non-contact sensing devices that use high-frequency sound waves (typically between 30 kHz and 400 kHz) to detect the presence, distance, or level of objects. These sensors operate on the principle of time-of-flight (ToF) measurement, emitting ultrasonic pulses and measuring the time it takes for the echo to return after reflecting off a target. Key technical parameters include sensing range (from a few centimeters up to several meters), operating frequency, beam angle, output type (analog, digital, or switching), and supply voltage (commonly 12-30 VDC or 24 VAC). They are available in various housing styles such as cylindrical M12, M18, M30, or rectangular designs, with IP67 or IP68 protection ratings for harsh environments. Unlike optical sensors, ultrasonic switches are unaffected by color, transparency, or surface finish, making them ideal for challenging materials like glass, liquids, or dark plastics.

Ultrasonic proximity switches are widely deployed in industrial automation, process control, and material handling systems. Common applications include level monitoring in tanks and silos, object detection on conveyor belts, collision avoidance in mobile robotics, and presence sensing in packaging machinery. They are also used in automotive assembly lines for weld seam tracking, in water treatment plants for liquid level control, and in the food and beverage industry for fill-level detection in opaque containers. Their ability to operate reliably in dusty, humid, or dirty environments makes them a preferred choice for harsh industrial settings such as foundries, cement plants, and woodworking facilities.

Within this category, key subcategories include cylindrical ultrasonic sensors (e.g., M12, M18, M30), rectangular ultrasonic sensors, and ultrasonic through-beam systems. Notable article codes often follow a pattern like UC12-xxxxx, UC18-xxxxx, or UC30-xxxxx, where the prefix indicates the housing diameter (e.g., UC12 for M12, UC18 for M18). For example, the UC18-xxxxx series typically offers sensing ranges from 100 mm to 1000 mm with analog or digital outputs. Other common codes include UDC-xxxxx for dual-channel sensors and ULT-xxxxx for ultrasonic transducers. These sensors are often available with teach-in functionality, IO-Link communication, or configurable switching outputs (PNP/NPN).

At Electric Automation Network, we provide a comprehensive range of ultrasonic proximity switches from leading manufacturers, all with real-time pricing and detailed technical documentation. Our engineering team offers personalized support to help you select the right sensor for your application, considering factors like sensing range, beam angle, and environmental conditions. We ensure express worldwide shipping, so your critical components arrive when needed. Benefit from our multilingual web portal and expert advice to optimize your automation projects.

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Manufacturer Code Reference Catalog Number Description Delivery Price

UA18ESD03AKM1TI

UA18ESD03AKM1TI

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System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: analogue 0...10 VDC, Material: Stainless Steel, Housing: M18 x 46,4 mm, Sensing range: 0,3 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, analog output 0-10 V, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, M12 plug, Sn 40-300mm, Output 0-10V, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18ESD03AGTI

UA18ESD03AGTI

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System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: analogue 4...20 mADC, Material: Stainless Steel, Housing: M18 x 54,9 mm, Sensing range: 0,3 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, analog output 4-20 mA, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, 2m PVC cable, Sn 40-300mm, Output 4-20mA, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18ESD08AGTI

UA18ESD08AGTI

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System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: analogue 4...20 mADC, Material: Stainless Steel, Housing: M18 x 54,9 mm, Sensing range: 0,8 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, analog output 4-20 mA, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, 2m PVC cable, Sn 80-800mm, Output 4-20mA, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18CSD03NPTI

UA18CSD03NPTI

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System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: DC NPN, Material: Plastic, Housing: M18 x 54,9 mm, Sensing range: 0,3 m, Material: Thermoplastic polyester

Ultrasound with direct detection, NPN digital output, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, 2m PVC cable, Sn 40-300mm, NPN Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 8Hz, IP67, Teach-in

 		3 View Availability View Price

UA18CSD08AKM1TI

UA18CSD08AKM1TI

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System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: analogue 0...10 VDC, Material: Plastic, Housing: M18 x 46,4 mm, Sensing range: 0,8 m, Material: Thermoplastic polyester

Ultrasound with direct detection, analog output 0-10 V, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, M12 plug, Sn 80-800mm, Output 0-10V, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18CSD08PPTI

UA18CSD08PPTI

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System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: DC PNP, Material: Plastic, Housing: M18 x 54,9 mm, Sensing range: 0,8 m, Material: Thermoplastic polyester

Ultrasound with direct detection, PNP digital output, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, 2m PVC cable, Sn 80-800mm, PNP Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 5Hz, IP67, Teach-in

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UA18CSD08NPM1TI

UA18CSD08NPM1TI

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System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: DC NPN, Material: Plastic, Housing: M18 x 46,4 mm, Sensing range: 0,8 m, Material: Thermoplastic polyester

Ultrasound with direct detection, NPN digital output, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, M12 plug, Sn 80-800mm, NPN Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 5Hz, IP67, Teach-in

 		3 View Availability View Price

UA18CSD03NPM1TI

UA18CSD03NPM1TI

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System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: DC NPN, Material: Plastic, Housing: M18 x 46,4 mm, Sensing range: 0,3 m, Material: Thermoplastic polyester

Ultrasound with direct detection, NPN digital output, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, M12 plug, Sn 40-300mm, NPN Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 8Hz, IP67, Teach-in

 		3 View Availability View Price

UA18ESD08AKTI

UA18ESD08AKTI

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System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: analogue 0...10 VDC, Material: Stainless Steel, Housing: M18 x 54,9 mm, Sensing range: 0,8 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, analog output 0-10 V, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, 2m PVC cable, Sn 80-800mm, Output 0-10V, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18CSD03AGTI

UA18CSD03AGTI

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System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: analogue 4...20 mADC, Material: Plastic, Housing: M18 x 54,9 mm, Sensing range: 0,3 m, Material: Thermoplastic polyester

Ultrasound with direct detection, analog output 4-20 mA, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, 2m PVC cable, Sn 40-300mm, Output 4-20mA, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18CSD08PPM1TI

UA18CSD08PPM1TI

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System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: DC PNP, Material: Plastic, Housing: M18 x 46,4 mm, Sensing range: 0,8 m, Material: Thermoplastic polyester

Ultrasound with direct detection, PNP digital output, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, M12 plug, Sn 80-800mm, PNP Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 5Hz, IP67, Teach-in

 		3 View Availability View Price

UA18CSD08AKTI

UA18CSD08AKTI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: analogue 0...10 VDC, Material: Plastic, Housing: M18 x 54,9 mm, Sensing range: 0,8 m, Material: Thermoplastic polyester

Ultrasound with direct detection, analog output 0-10 V, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, 2m PVC cable, Sn 80-800mm, Output 0-10V, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18ESD03AGM1TI

UA18ESD03AGM1TI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: analogue 4...20 mADC, Material: Stainless Steel, Housing: M18 x 46,4 mm, Sensing range: 0,3 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, analog output 4-20 mA, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, M12 plug, Sn 40-300mm, Output 4-20mA, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18ESD03PPTI

UA18ESD03PPTI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: DC PNP, Material: Stainless Steel, Housing: M18 x 54,9 mm, Sensing range: 0,3 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, PNP digital output, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, 2m PVC cable, Sn 40-300mm, PNP Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 8Hz, IP67, Teach-in

 		3 View Availability View Price

UA18CSD08AGTI

UA18CSD08AGTI

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System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: analogue 4...20 mADC, Material: Plastic, Housing: M18 x 54,9 mm, Sensing range: 0,8 m, Material: Thermoplastic polyester

Ultrasound with direct detection, analog output 4-20 mA, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, 2m PVC cable, Sn 80-800mm, Output 4-20mA, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18ESD03NPTI

UA18ESD03NPTI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: DC NPN, Material: Stainless Steel, Housing: M18 x 54,9 mm, Sensing range: 0,3 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, NPN digital output, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, 2m PVC cable, Sn 40-300mm, NPN Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 8Hz, IP67, Teach-in

 		3 View Availability View Price

UA18ESD03NPM1TI

UA18ESD03NPM1TI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: DC NPN, Material: Stainless Steel, Housing: M18 x 46,4 mm, Sensing range: 0,3 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, NPN digital output, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, M12 plug, Sn 40-300mm, NPN Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 8Hz, IP67, Teach-in

 		3 View Availability View Price

UA18CSD03PPM1TI

UA18CSD03PPM1TI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: DC PNP, Material: Plastic, Housing: M18 x 46,4 mm, Sensing range: 0,3 m, Material: Thermoplastic polyester

Ultrasound with direct detection, PNP digital output, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, M12 plug, Sn 40-300mm, PNP Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 8Hz, IP67, Teach-in

 		3 View Availability View Price

UA18CSD08AGM1TI

UA18CSD08AGM1TI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: analogue 4...20 mADC, Material: Plastic, Housing: M18 x 46,4 mm, Sensing range: 0,8 m, Material: Thermoplastic polyester

Ultrasound with direct detection, analog output 4-20 mA, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, M12 plug, Sn 80-800mm, Output 4-20mA, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18ESD08AGM1TI

UA18ESD08AGM1TI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: analogue 4...20 mADC, Material: Stainless Steel, Housing: M18 x 46,4 mm, Sensing range: 0,8 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, analog output 4-20 mA, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, M12 plug, Sn 80-800mm, Output 4-20mA, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18ESD08NPTI

UA18ESD08NPTI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: DC NPN, Material: Stainless Steel, Housing: M18 x 54,9 mm, Sensing range: 0,8 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, NPN digital output, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, 2m PVC cable, Sn 80-800mm, NPN Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 5Hz, IP67, Teach-in

 		3 View Availability View Price

UA18CSD03PPTI

UA18CSD03PPTI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: DC PNP, Material: Plastic, Housing: M18 x 54,9 mm, Sensing range: 0,3 m, Material: Thermoplastic polyester

Ultrasound with direct detection, PNP digital output, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, 2m PVC cable, Sn 40-300mm, PNP Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 8Hz, IP67, Teach-in

 		3 View Availability View Price

UA18CSD08NPTI

UA18CSD08NPTI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: DC NPN, Material: Plastic, Housing: M18 x 54,9 mm, Sensing range: 0,8 m, Material: Thermoplastic polyester

Ultrasound with direct detection, NPN digital output, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, 2m PVC cable, Sn 80-800mm, NPN Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 5Hz, IP67, Teach-in

 		3 View Availability View Price

UA18ESD03PPM1TI

UA18ESD03PPM1TI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: DC PNP, Material: Stainless Steel, Housing: M18 x 46,4 mm, Sensing range: 0,3 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, PNP digital output, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, M12 plug, Sn 40-300mm, PNP Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 8Hz, IP67, Teach-in

 		3 View Availability View Price

UA18CSD03AGM1TI

UA18CSD03AGM1TI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: analogue 4...20 mADC, Material: Plastic, Housing: M18 x 46,4 mm, Sensing range: 0,3 m, Material: Thermoplastic polyester

Ultrasound with direct detection, analog output 4-20 mA, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, M12 plug, Sn 40-300mm, Output 4-20mA, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18ESD03AKTI

UA18ESD03AKTI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: analogue 0...10 VDC, Material: Stainless Steel, Housing: M18 x 54,9 mm, Sensing range: 0,3 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, analog output 0-10 V, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, 2m PVC cable, Sn 40-300mm, Output 0-10V, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18CSD03AKM1TI

UA18CSD03AKM1TI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: analogue 0...10 VDC, Material: Plastic, Housing: M18 x 46,4 mm, Sensing range: 0,3 m, Material: Thermoplastic polyester

Ultrasound with direct detection, analog output 0-10 V, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, M12 plug, Sn 40-300mm, Output 0-10V, Supply voltage 10-30Vdc, Operating temperature -20C -+ 60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18CSD03AKTI

UA18CSD03AKTI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: Cable, Output: analogue 0...10 VDC, Material: Plastic, Housing: M18 x 54,9 mm, Sensing range: 0,3 m, Material: Thermoplastic polyester

Ultrasound with direct detection, analog output 0-10 V, Sensing distance 40 to 300 mm.

Ultrasonic sensor, Diffuse reflective, M18 plastic, 2m PVC cable, Sn 40-300mm, Output 0-10V, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18ESD08AKM1TI

UA18ESD08AKM1TI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: analogue 0...10 VDC, Material: Stainless Steel, Housing: M18 x 46,4 mm, Sensing range: 0,8 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, analog output 0-10 V, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, M12 plug, Sn 80-800mm, Output 0-10V, Supply voltage 10-30Vdc, Operating temperature -20C - +60C, Response time <400ms, IP67, Teach-in

 		3 View Availability View Price

UA18ESD08NPM1TI

UA18ESD08NPM1TI

-

System: Sensor, Housing: M18, Sensing range: >0,2 to 1 m, Connection: M12 plug DC, Output: DC NPN, Material: Stainless Steel, Housing: M18 x 46,4 mm, Sensing range: 0,8 m, Material: AISI 316L (DIN 1.4404)

Ultrasound with direct detection, NPN digital output, Sensing distance 80 to 800 mm.

Ultrasonic sensor, Diffuse reflective, M18 stainless steel, M12 plug, Sn 80-800mm, NPN Output, Supply voltage 10-30Vdc, Current output 100mA, Operating temperature -20C - +60C, Switching frequency 5Hz, IP67, Teach-in

 		3 View Availability View Price

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