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. 510-3700
Mfr. Part No.UB300-18GM40-E5-V1
PHP12,493.46
Each
units
30 → 300 mm PNP-NO/NC Barrel M18 x 1 390kHz - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Nickel Plated Brass - Yes
RS Stock No. 753-0520
Mfr. Part No.XX518A3PAL2
PHP12,912.47
Each
units
50 → 500 mm PNP-NO Barrel M18 x 1 300kHz 18 mm - 24V 12 → 24 V dc Pre-Wired IP67 Valox Yes Yes
RS Stock No. 816-7498
Mfr. Part No.VM18NNO
PHP6,055.59
Each
units
50 → 500 mm NPN-NO Barrel - - 18 mm - 24V 12 → 24 V dc Cable IP67 PBT - -
RS Stock No. 399-5484
Mfr. Part No.UC2000-30GM-E6R2-V15
PHP21,126.10
Each
units
80 → 2000 mm PNP-2NO/NC Barrel M30 x 1.5 180kHz 30 mm - 30V 10 → 30 V dc M12 - 5 Pin IP65 PBT - Yes
RS Stock No. 123-2460
Mfr. Part No.UGT511
PHP13,052.81
Each
units
150 → 1600 mm Analogue, PNP-NO/NC Barrel M18 x 1 230kHz - - 30V 10 → 30 V dc M12 - 5 Pin IP67 Epoxy Glass Ceramic, Polyamide, Stainless Steel Yes Yes
RS Stock No. 510-3671
Mfr. Part No.UB500-F54-I-V15
PHP15,550.03
Each
units
30 → 500 mm Analogue Block - 380kHz - - 30V 10 → 30 V dc M12 - 5 Pin IP65 ABS - -
RS Stock No. 458-5202
Mfr. Part No.UB4000-F42-I-V15
PHP14,921.75
Each
units
200 → 4000 mm Analogue Block - 85kHz - - 30V 10 → 30 V dc M12 - 5 Pin IP54 ABS - -
RS Stock No. 610-5791
Mfr. Part No.3RG6243-3NN00-PF
PHP8,161.42
Each
units
5 → 150 mm PNP-NO/NC Block - 200kHz - - 30V 20 → 30 V dc M12 Connector IP65 PBT - -
RS Stock No. 458-5533
Mfr. Part No.UB400-12GM-E5-V1
PHP17,020.50
Each
units
30 → 400 mm PNP-NO Barrel M12 x 1 310kHz 12 mm - 30V 10 → 30 V dc M12 - 4 Pin IP67 Nickel Plated Brass - Yes
RS Stock No. 506-2621
Mfr. Part No.3RG6233-3LS00
PHP22,784.98
Each
units
150 → 1000 mm Analogue Barrel M18 x 1 200kHz 18 mm - 30V 12 → 30 V dc 4-Pin M12 Connector IP67 Nickel Plated Brass - -
RS Stock No. 123-2447
Mfr. Part No.UGT208
PHP11,734.78
Each
units
200 → 2200 mm Analogue, PNP-NO/NC Barrel M18 x 1 200kHz - - 30V 10 → 30 V dc M12 - 5 Pin IP67 Epoxy Glass Ceramic, PBT, Polyamide Yes Yes
RS Stock No. 506-2750
Mfr. Part No.3RG6233-3AB00-PF
PHP15,252.08
Each
units
150 → 1000 mm PNP Barrel M18 x 1 200kHz 18 mm - 30V 12 → 30 V dc 4-Pin M12 Connector IP67 Nickel Plated Brass - -
RS Stock No. 610-5662
Mfr. Part No.3RG6012-3AD00-PF
PHP19,220.81
Each
units
6 → 300 mm PNP-NO Barrel M30 x 1.5 400kHz 30 mm - 30V 12 → 30 V dc M12 Connector IP65 Nickel Plated Brass - -
RS Stock No. 399-5103
Mfr. Part No.UB500-18GM75-E5-V15
PHP14,235.57
Each
units
30 → 500 mm PNP-NO Barrel M18 x 1 380kHz 18 mm - 30V 10 → 30 V dc M12 - 5 Pin IP65 Nickel Plated Brass - Yes
RS Stock No. 446-0232
Mfr. Part No.UNDK 30P1712/S14
BrandBaumer
PHP26,593.40
Each
units
60 → 400 mm PNP-NO Block - 400kHz - - 30V 12 → 30 V dc M12 Connector IP67 Die Cast Zinc Yes Yes
RS Stock No. 530-794
Mfr. Part No.UNDK 10P 8914 S35A
BrandBaumer
PHP19,716.97
Each
units
10 → 200 mm PNP-NO/NC Block - 380kHz - - 30V 12 → 30 V dc M8 Connector IP67 Plastic Yes Yes
RS Stock No. 280-6620
Mfr. Part No.UB500-30GM-E4-V15
PHP15,065.76
Each
units
30 → 500 mm NPN-NO/NC Barrel M30 x 1.5 380kHz 30 mm - 30V 10 → 30 V dc M12 - 5 Pin IP65 Nickel Plated Brass - Yes
RS Stock No. 123-2439
Mfr. Part No.UGT200
PHP8,438.59
Each
units
40 → 300 mm PNP NO/NC Barrel M18 x 1 300kHz - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Epoxy Glass Ceramic, PBT, Polyamide Yes Yes
RS Stock No. 848-7161
Mfr. Part No.QS18UPA
BrandBanner
PHP8,067.84
Each
units
50 → 500 mm PNP-NO Block - - - - 30V 12 → 30 V dc Cable IP67 ABS Yes Yes
RS Stock No. 123-2470
Mfr. Part No.UGR500
PHP12,393.84
Each
units
250 → 1600 mm PNP NO/NC Barrel M18 x 1 230kHz - - 30V 10 → 30 V dc M12 - 5 Pin IP67 Epoxy Glass Ceramic, Polyamide, Stainless Steel Yes Yes
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