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 considerWhen 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. 177-8891
Mfr. Part No.XXA18P1VM12
$720.09
Each
units
100 1000 mm Analogue Barrel M18 x 1 200kHz 18 mm 10V 30V 24 V dc M12 - 5 Pin IP65, IP67 PBT Yes Yes
RS Stock No. 405-7230
Mfr. Part No.T30UIPAQ
BrandBanner
$1,390.50
Each
units
150 1000 mm Analogue, PNP-NO Barrel M30 x 1.5 228kHz - - 24V 12 24 V dc Pre-Wired IP67 PBT Yes Yes
RS Stock No. 850-3087
Mfr. Part No.T30UUPAQ
BrandBanner
$750.89
Each
units
150 1000 mm Analogue, PNP-NO Barrel - - 40 mm - 24V 15 24 V dc M12 - 5 Pin IP67 Thermoplastic Polyester Yes Yes
RS Stock No. 612-2190
Mfr. Part No.XX7V1A1PAM12
$407.77
Each
units
50 500 mm PNP-NO Block - 300kHz - - 24V 12 24 V dc M12 - 4 Pin IP67 Plastic Yes -
RS Stock No. 177-8890
Mfr. Part No.XXA18P1PM12
$600.10
Each
units
100 1000 mm PNP-NO/NC Barrel M18 x 1 200kHz 18 mm - 30V 12 24 V dc M12 - 5 Pin IP65, IP67 PBT Yes Yes
RS Stock No. 214-717
Mfr. Part No.UNDK 20P 6903 S35A
BrandBaumer
$829.08
Each
units
100 1000 mm PNP-NO Block - 240kHz - - 30V 12 30 V dc M8 Connector IP67 PET Yes Yes
RS Stock No. 848-7165
Mfr. Part No.QS18UPAE
BrandBanner
$325.88
Each
units
50 500 mm PNP-NO Block - - - - 30V 12 30 V dc Cable IP68 ABS Yes Yes
RS Stock No. 684-2923
Mfr. Part No.6GR6221-3AB00-PF
$374.98
Each
units
25 400 mm PNP-NO Barrel M18 x 1 300kHz 18 mm - 30V 20 30 V dc M12 connector IP67 Nickel Plated Brass Yes Yes
RS Stock No. 123-2456
Mfr. Part No.UGT507
$454.18
Each
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80 1200 mm Analogue, PNP-NO Barrel M18 x 1 230kHz - - 30V 10 30 V dc M12 - 4 Pin IP67 Epoxy Glass Ceramic, Polyamide, Stainless Steel Yes Yes
RS Stock No. 177-8889
Mfr. Part No.XXA18P1AM12
$720.09
Each
units
100 1000 mm Analogue Barrel M18 x 1 200kHz 18 mm - 30V 12 24 V dc M12 - 5 Pin IP65, IP67 PBT Yes Yes
RS Stock No. 2508589472
Mfr. Part No.941-D4V-2D-1C0-180E
BrandHoneywell
$639.95
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