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 188-5260
製造零件編號UA30CAD35PGM1TI
HK$2,920.98
單位
250 → 3500 mm 2x PNP-NO Barrel M30 x 1.5 - - - - 30V 30 V M12 - 4 Pin IP67 PBT Yes
RS庫存編號 891-9404
製造零件編號UC2000-30GM70-UE2R2-V15
HK$3,117.24
單位
100 → 2000 mm Analogue, PNP-NO/NC Barrel M30 x 1.5 200kHz - - - 30V 20 → 30 V dc M12 - 5 Pin IP65 Nickel Plated Brass -
RS庫存編號 764-0627
製造零件編號XXV18B1NAL5
HK$1,018.16
單位
3 → 50 mm NPN-NO Barrel M18 x 1 360kHz 18 mm - - 36V 12 → 24 V dc Cable IP67 Brass Yes
RS庫存編號 187-1797
製造零件編號U500.DA0.2-IAMJ.72F
BrandBaumer
HK$2,956.90
單位
70 → 1000 mm 4 → 20 mA Block M12 x 1 200 (Sonic)kHz - IO-LINK - 30V 12 → 30 V dc M12 Connector IP67 Plastic Yes
RS庫存編號 753-0536
製造零件編號XX230A20PA00M12
HK$5,134.54
單位
100 → 2000 mm PNP NO/NC Barrel M30 x 1.5 200kHz 30 mm - - 24V 12 → 24 V dc M12 - 4 Pin IP67 Ultem Yes
RS庫存編號 891-9369
製造零件編號UC500-30GM-2EP-IO-V15
HK$3,043.68
單位
30 → 500 mm Push Pull Barrel M30 x 1.5 380kHz - IO-LINK - 30V 10 → 30 V dc M12 - 5 Pin IP67 Polyamide, Stainless Steel, 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 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 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 177-8903
製造零件編號XXS18S1VM12
HK$3,793.76
單位
100 → 1000 mm Analogue Barrel M18 x 1 200kHz 18 mm - 10V 30V 12 → 24 V dc M12 - 5 Pin IP65, IP67 Stainless Steel 316L Yes
RS庫存編號 753-0520
製造零件編號XX518A3PAL2
HK$1,630.00
單位
50 → 500 mm PNP-NO Barrel M18 x 1 300kHz 18 mm - - 24V 12 → 24 V dc Pre-Wired IP67 Valox Yes
RS庫存編號 764-0618
製造零件編號XXV18B1NAL2
HK$1,183.78
單位
3 → 50 mm NPN-NO Barrel M18 x 1 360kHz 18 mm - - 36V 12 → 24 V dc Cable IP67 Brass Yes
RS庫存編號 123-2444
製造零件編號UGT205
HK$1,823.05
單位
150 → 1600 mm Analogue, PNP-NO/NC Barrel M18 x 1 230kHz - - - 30V 10 → 30 V dc M12 - 5 Pin IP67 Epoxy Glass Ceramic, PBT, Polyamide Yes
RS庫存編號 816-3698
製造零件編號SM500A000
HK$6,223.42
單位
51 → 635 mm PNP/NPN-NO/NC Block - 200kHz 44 mm - - 24V 12 → 24 V dc Cable IP67 Ultem Yes
RS庫存編號 814-1124
製造零件編號BUS R06K1-PPX-02/015-S75G
BrandBALLUFF
HK$2,076.02
單位
20 → 250 mm PNP-NO/NC Block - 380kHz - - - 30V 20 → 30 V dc M8 Connector IP67 Messing, PBT 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 175-7684
製造零件編號RU40U-M18E-LI8X2-H1151
BrandTurck
HK$4,126.22
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 773-7336
製造零件編號UB400-F77-E2-V31
HK$1,146.43
單位
25 → 400 mm PNP-NO Block M8 x 1 300kHz - - - 30V 20 → 30 V dc M8 - 4 Pin IP67 Polycarbonate -
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 610-5662
製造零件編號3RG6012-3AD00-PF
HK$3,024.49
單位
6 → 300 mm PNP-NO Barrel M30 x 1.5 400kHz 30 mm - - 30V 12 → 30 V dc M12 Connector IP65 Nickel Plated Brass -