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 814-1118
製造零件編號BUS M30M1-XC-35/340-S92K
BrandBALLUFF
HK$4,044.50
單位
350 → 5000 mm NO/NC Barrel M30 x 1.5 120kHz - - - 30V 9 → 30 V dc M12 - 5 Pin IP67 Brass, PBT, TPU Yes
RS庫存編號 612-2229
製造零件編號XX518A3PAM12
HK$1,576.70
單位
50 → 500 mm PNP-NO Barrel M18 x 1 300kHz 18 mm - - 24V 12 → 24 V dc M12 - 4 Pin IP67 Plastic Yes
RS庫存編號 458-5094
製造零件編號UB400-12GM-I-V1
HK$2,686.66
單位
30 → 400 mm Analogue Barrel M12 x 1 310kHz 12 mm - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Nickel Plated Brass -
RS庫存編號 700-2876
製造零件編號UM30-214112
BrandSick
HK$3,976.45
單位
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
RS庫存編號 177-8892
製造零件編號XXA18S1AM12
HK$4,552.38
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 218-917
製造零件編號UC12-12235
BrandSick
HK$2,927.94
單位
55 → 250 mm NPN-NO/NC Block - 500kHz - - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Die Cast Zinc Yes
RS庫存編號 891-9410
製造零件編號UC3500-30GM70-UE2R2-V15
HK$3,337.93
單位
200 → 3500 mm Analogue, PNP-NO/NC Barrel M30 x 1.5 120kHz - - - 30V 20 → 30 V dc M12 - 5 Pin IP65 Nickel Plated Brass -
RS庫存編號 123-2469
製造零件編號UGT585
HK$1,679.67
單位
80 → 1200 mm Analogue, PNP-NO/NC Block M18 x 1 200kHz - - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Epoxy Glass Ceramic, PBT, Polyamide, Stainless Steel Yes
RS庫存編號 123-2460
製造零件編號UGT511
HK$2,027.92
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, Polyamide, Stainless Steel Yes
RS庫存編號 510-3687
製造零件編號UB2000-F54-E5-V15
HK$2,108.94
單位
80 → 2000 mm PNP-NO Block - 175kHz - - - 30V 10 → 30 V dc M12 Connector IP65 ABS -
RS庫存編號 175-7680
製造零件編號RU50U-S18-AP8X
BrandTurck
HK$2,158.74
單位
50 → 500 mm PNP-NO Barrel M18 x 1 300kHz 18 mm - - 30V 30 V dc - IP67 Plastic Yes
RS庫存編號 258-4948
製造零件編號UC4000-30GM-IUR2-V15
HK$3,954.02
單位
200 → 4000 mm Analogue Barrel M30 x 1.5 85kHz 40 mm - - 30V 10 → 30 V dc M12 - 5 Pin IP65 PBT -
RS庫存編號 458-5195
製造零件編號UB500-F42-I-V15
HK$2,099.95
單位
30 → 500 mm Analogue Block - 390kHz - - - 30V 10 → 30 V dc M12 - 5 Pin IP54 ABS -
RS庫存編號 510-3700
製造零件編號UB300-18GM40-E5-V1
HK$1,719.54
單位
30 → 300 mm PNP-NO/NC Barrel M18 x 1 390kHz - - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Nickel Plated Brass -
RS庫存編號 175-7681
製造零件編號RU50U-S18-AP8X-H1141
BrandTurck
HK$2,158.74
單位
50 → 500 mm PNP-NO Barrel M18 x 1 300kHz 18 mm - - 30V 30 V dc - IP67 Plastic Yes
RS庫存編號 135-0278
製造零件編號BUS M18M1-GPXI-03/025-S92G
BrandBALLUFF
HK$2,085.87
單位
30 → 350 mm PNP/NPN-NO/NC Barrel M18 x 1 320kHz - IO-LINK - 30V 10 → 30 V dc M12 - 5 Pin IP67 Brass, PBT Yes
RS庫存編號 399-5478
製造零件編號UC500-30GM-E6R2-V15
HK$3,500.28
單位
30 → 500 mm PNP-2NO/NC Barrel M30 x 1.5 380kHz 30 mm - - 30V 10 → 30 V dc M12 - 5 Pin IP65 PBT -
RS庫存編號 610-5707
製造零件編號3RG6014-3AD00-PF
HK$4,757.53
單位
600 → 6000 mm PNP-NO Barrel M30 x 1.5 80kHz 65 mm - - 30V 12 → 30 V dc M12 Connector IP65 Nickel Plated Brass -
RS庫存編號 123-2468
製造零件編號UGT584
HK$1,679.67
單位
80 → 1200 mm Analogue, PNP-NO/NC Block M18 x 1 200kHz - - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Epoxy Glass Ceramic, PBT, Polyamide, Stainless Steel Yes
RS庫存編號 177-8899
製造零件編號XXS18P1PM12
HK$2,416.85
單位
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