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 Communication Protocol Maximum AC Voltage Maximum DC Voltage Supply Voltage Terminal Type IP Rating Housing Material Reverse Polarity Protection
RS庫存編號 175-7688
製造零件編號RU40U-M18ES-L18X2-H1151
BrandTurck
HK$4,103.20
單位
25 → 400 mm Analogue/PNP-NO Barrel M18 x 1 300kHz 18 mm - - 30V 30 V dc - IP67 Metal Yes
RS庫存編號 891-9400
製造零件編號UC2000-30GM70-2E2R2-V15
HK$2,951.72
單位
100 → 2000 mm PNP-2NO/NC Barrel M30 x 1.5 200kHz - - - 30V 12 → 30 V dc M12 - 5 Pin IP65 Nickel Plated Brass -
RS庫存編號 280-6620
製造零件編號UB500-30GM-E4-V15
HK$2,068.96
單位
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 -
RS庫存編號 280-6670
製造零件編號UB4000-30GM-E4-V15
HK$2,643.71
單位
200 → 4000 mm NPN-NO/NC Barrel M30 x 1.5 85kHz 40 mm - - 30V 10 → 30 V dc M12 - 5 Pin IP65 Nickel Plated Brass -
RS庫存編號 815-4196
製造零件編號U500.DA0-11110575
BrandBaumer
HK$2,116.10
單位
100 → 1000 mm Analogue Block - 220kHz - - - 30V 12 → 30 V dc M12 Connector IP67 ASA, PMMA Yes
RS庫存編號 612-2128
製造零件編號XX630A3PCM12
HK$6,017.44
單位
300 → 8000 mm PNP-NO/NC Barrel M30 x 1.5 75kHz 30 mm - - 24V 12 → 24 V dc M12 - 4 Pin IP67 Plastic Yes
RS庫存編號 764-0608
製造零件編號XXV18B1PBL2
HK$995.28
單位
3 → 50 mm PNP-NC Barrel M18 x 1 360kHz 18 mm - - 36V 12 → 24 V dc Cable IP67 Brass Yes
RS庫存編號 700-2870
製造零件編號UM30-215112
BrandSick
HK$4,288.18
單位
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
RS庫存編號 123-2458
製造零件編號UGT509
HK$2,027.92
單位
150 → 1600 mm PNP 2NO/NC Barrel M18 x 1 230kHz - IO-LINK - 30V 10 → 30 V dc M12 - 5 Pin IP67 Epoxy Glass Ceramic, Polyamide, Stainless Steel Yes
RS庫存編號 742-0903
製造零件編號XXR12A8KAM8
HK$1,544.40
單位
0 → 200 mm PNP/NPN-2NO Barrel M30 x 1.5 - 12 mm - - 24V 12 → 24 V dc M12 - 4 Pin IP67 Ultem Yes
RS庫存編號 612-2106
製造零件編號XX630A1PCM12
HK$4,636.78
單位
50 → 1000 mm PNP-NO/NC Barrel M30 x 1.5 200kHz 35 mm - - 24V 12 → 24 V dc M12 - 4 Pin IP67 Plastic Yes
RS庫存編號 814-1146
製造零件編號BUS M30M1-PPX-07/35-S92K
BrandBALLUFF
HK$2,160.81
單位
65 → 600 mm PNP-NO/NC Barrel M30 x 1.5 400kHz - - - 30V 9 → 30 V dc M12 - 5 Pin IP67 Brass, PBT, TPU Yes
RS庫存編號 742-0824
製造零件編號XX930S1A2M12
HK$3,780.84
單位
50 → 1000 mm Analogue Barrel M30 x 1.5 200kHz 30 mm - - 24V 15 → 24 V dc M12 Connector IP65 Metal Yes
RS庫存編號 135-0282
製造零件編號BUS W18M1-GPXI-12/100-S92G
BrandBALLUFF
HK$2,076.02
單位
120 → 1300 mm PNP-NO/NC Barrel M18 x 1 200kHz - IO-LINK - 30V 10 → 30 V dc M12 - 5 Pin IP67 Brass, PBT Yes
RS庫存編號 123-2443
製造零件編號UGT204
HK$1,823.05
單位
150 → 1600 mm Analogue, PNP-NO/NC Barrel M18 x 1 230kHz - IO-LINK - 30V 10 → 30 V dc M12 - 5 Pin IP67 Epoxy Glass Ceramic, PBT, Polyamide Yes
RS庫存編號 510-3716
製造零件編號UB300-18GM40-I-V1
HK$2,004.60
單位
30 → 300 mm Analogue Barrel M18 x 1 390kHz - - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Nickel Plated Brass -
RS庫存編號 123-2463
製造零件編號UGT514
HK$2,027.92
單位
200 → 2200 mm Analogue, PNP-NO/NC Barrel M18 x 1 200kHz - IO-LINK - 30V 10 → 30 V dc M12 - 5 Pin IP67 Epoxy Glass Ceramic, Polyamide, Stainless Steel Yes
RS庫存編號 177-8901
製造零件編號XXS18S1AM12
HK$3,793.76
單位
100 → 1000 mm Analogue Barrel M18 x 1 200kHz 18 mm - - 30V 12 → 24 V dc M12 - 5 Pin IP65, IP67 Stainless Steel 316L Yes
RS庫存編號 848-7193
製造零件編號T30UXDAQ8
BrandBanner
HK$5,668.52
單位
100 → 1000 mm PNP/NPN-NO/NC Block M30 x 1.5 - - - - 30V 10 → 30 V dc M12 - 4 Pin IP67 PBT Yes
RS庫存編號 764-0598
製造零件編號XXV18B1PAL2
HK$995.28
單位
3 → 50 mm PNP-NO Barrel M18 x 1 360kHz 18 mm - - 36V 12 → 24 V dc Cable IP67 Brass Yes