Ultrasonic Proximity Sensors

Ultrasonic proximity sensors are a type of non-contact sensor. They use transmitted or reflected ultrasonic waves to detect whether an object or material is present or absent. They are reliable and versatile and can be used reliably in almost all conditions.

How do they work?
These sensors work by emitting a short bust of ultrasonic sound at a specific frequency towards the target. When the target reflects the sound back to the sensor, the sensor measures the time it takes for the echo to return. The sensor will use the time it takes the soundwave to travel back to calculate the distance between the sensor and the object.

What are they used for?
Typical applications for these ultrasonic sensors include stacking height control, irregular part detection within hoppers and feeder bowls, automotive assembly and loop control. Other suitable applications include thread or wire break detection, robotic sensing, detection of people for counting and liquid level control.

Things to consider
When deciding which sensor you should choose, there are a few things that you should bear in mind. Ultrasonic proximity sensors can be affected by noise interference and some will have a blind zone at close proximity. The surface angle of the target, and the roughness of the target surface can also affect the sensor. Some materials such as cloth or carpeting can absorb soundwaves rather than reflecting them. The speed of sound can be affected by temperature and humidity which can impact the resolution and accuracy of the sensor.

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Description Price Detection Range Output Type Body Style Thread Size Transducer Frequency Diameter Maximum AC Voltage Maximum DC Voltage Supply Voltage Terminal Type IP Rating Housing Material Reverse Polarity Protection Short Circuit Overload Protection
RS Stock No. 700-2889
Mfr. Part No.UM30-213112
BrandSick
£310.42
Each
Units
200 → 1300 mm PNP-NO/NC Barrel M30 x 1.5 200kHz 30 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 700-2858
Mfr. Part No.UM30-213111
BrandSick
£204.77
Each
Units
200 → 1300 mm PNP-NO/NC Barrel M30 x 1.5 200kHz 30 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 700-2854
Mfr. Part No.UM30-212111
BrandSick
£204.77
Each
Units
60 → 350 mm PNP-NO/NC Barrel M30 x 1.5 400kHz 30 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 784-6718
Mfr. Part No.UM30-213113
BrandSick
£415.14
Each
Units
2000 mm Analogue Barrel M30 x 1.5 200kHz 30 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 700-2870
Mfr. Part No.UM30-215112
BrandSick
£362.78
Each
Units
600 → 6000 mm PNP-NO/NC Barrel M30 x 1.5 80kHz 65 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 219-077
Mfr. Part No.UC12-12231
BrandSick
£254.73
Each
Units
55 → 250 mm PNP-NO/NC Block - 500kHz - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Die Cast Zinc Yes Yes
RS Stock No. 700-2876
Mfr. Part No.UM30-214112
BrandSick
£336.60
Each
Units
350 → 3400 mm PNP-NO/NC Barrel M30 x 1.5 120kHz 48 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 700-2873
Mfr. Part No.UM30-212113
BrandSick
£415.14
Each
Units
60 → 350 mm Analogue Barrel M30 x 1.5 400kHz 30 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 700-2867
Mfr. Part No.UM30-212112
BrandSick
£310.42
Each
Units
60 → 350 mm PNP-NO/NC Barrel M30 x 1.5 400kHz 30 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 219-061
Mfr. Part No.UC12-11231
BrandSick
£254.73
Each
Units
20 → 150 mm PNP-NO/NC Block - 380kHz - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Die Cast Zinc Yes Yes
RS Stock No. 700-2860
Mfr. Part No.UM30-214113
BrandSick
£431.97
Each
Units
350 → 3400 mm Analogue Barrel M30 x 1.5 120kHz 48 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 700-2864
Mfr. Part No.UM30-215113
BrandSick
£457.22
Each
Units
600 → 6000 mm Analogue Barrel M30 x 1.5 80kHz 65 mm - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes Yes
RS Stock No. 218-901
Mfr. Part No.UC12-11235
BrandSick
£254.73
Each
Units
20 → 150 mm NPN-NO/NC Block - 380kHz - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Die Cast Zinc Yes Yes
RS Stock No. 218-917
Mfr. Part No.UC12-12235
BrandSick
£254.73
Each
Units
55 → 250 mm NPN-NO/NC Block - 500kHz - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Die Cast Zinc Yes Yes