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庫存編號 612-2162
製造零件編號XX930A3A1M12
HK$4,991.23
單位
300 → 8000 mm Analogue Barrel M30 x 1.5 75kHz 30 mm - 24V 15 → 24 V dc M12 - 4 Pin IP65 Plastic Yes Yes
RS庫存編號 612-2112
製造零件編號XX930A3A2M12
HK$5,129.91
單位
300 → 8000 mm Analogue Barrel M30 x 1.5 75kHz 30 mm - 24V 15 → 24 V dc M12 - 4 Pin IP65 Plastic Yes Yes
RS庫存編號 753-0511
製造零件編號XX918A3C2M12
HK$1,374.55
單位
50 → 500 mm Analogue Barrel M18 x 1 300kHz 18 mm - 24V 12 → 24 V dc M12 - 4 Pin IP67 Valox Yes Yes
RS庫存編號 612-2140
製造零件編號XX930A1A1M12
HK$3,044.28
單位
50 → 1000 mm Analogue Barrel M30 x 1.5 200kHz 30 mm - 24V 15 → 24 V dc M12 - 4 Pin IP65 Ultem Yes Yes
RS庫存編號 612-2241
製造零件編號XX512A2PAM8
HK$2,241.74
單位
6 → 100 mm PNP-NO Barrel M18 x 1 500kHz - - 24V 12 → 24 V dc M8 - 3 Pin IP67 Plastic Yes Yes
RS庫存編號 612-2156
製造零件編號XX7F1A2PAL01M12
HK$2,107.58
單位
6 → 100 mm PNP-NO Block - 500kHz - - 24V 12 → 24 V dc M12 - 4 Pin with cable IP67 Plastic Yes -
RS庫存編號 764-0605
製造零件編號XXV18B1PAM12
HK$779.77
單位
3 → 50 mm PNP-NO Barrel M18 x 1 360kHz 18 mm - 36V 12 → 24 V dc M12 - 4 Pin IP67 Brass Yes Yes
RS庫存編號 753-0539
製造零件編號XX230A11PA00M12
HK$2,210.00
單位
50 → 1000 mm PNP NO/NC Barrel M30 x 1.5 200kHz 30 mm - 24V 12 → 24 V dc M12 - 4 Pin IP67 Ultem Yes Yes
RS庫存編號 753-0542
製造零件編號XX9V3A1F1M12
HK$2,415.76
單位
100 → 1000 mm Analogue Barrel M30 x 1.5 180kHz 30 mm - 24V 15 → 24 V dc M12 - 4 Pin IP67 Valox Yes Yes
RS庫存編號 753-0545
製造零件編號XX9V3A1C2M12
HK$2,393.00
單位
100 → 1000 mm Analogue Barrel M30 x 1.5 180kHz 30 mm - 24V 15 → 24 V dc M12 - 4 Pin IP67 Valox Yes Yes
RS庫存編號 742-0937
製造零件編號XX9D1A1F1M12
HK$2,109.97
單位
100 → 1000 mm Analogue Block - 180kHz - - 24V 15 → 24 V dc M12 - 4 Pin IP67 Plastic Yes Yes
RS庫存編號 816-7467
製造零件編號VM1PNOQ
HK$940.81
單位
50 → 500 mm PNP-NO Block - - - - 24V 12 → 24 V dc M12 Connector IP67 PBT - -
RS庫存編號 816-7489
製造零件編號VM18PNO
HK$1,139.98
單位
50 → 500 mm PNP-NO Barrel - - 18 mm - 24V 12 → 24 V dc Cable IP67 PBT - -
RS庫存編號 177-8899
製造零件編號XXS18P1PM12
HK$2,369.46
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 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 Yes
RS庫存編號 674-2038
製造零件編號XUVU06M3KSNM8
HK$3,125.42
單位
0 → 3 mm PNP/NPN-2NO/NC Block - - - - 30V 10 → 30 V dc M8 - 4 Pin IP65 Metal Yes Yes
RS庫存編號 764-0591
製造零件編號XXV18B1PAL5
HK$814.23
單位
3 → 50 mm PNP-NO Barrel M18 x 1 360kHz 18 mm - 36V 12 → 24 V dc Cable IP67 Brass Yes Yes
RS庫存編號 753-0494
製造零件編號XX630S1NCM12
HK$6,522.87
單位
1 m NPN NO/NC Barrel M30 x 1.5 200kHz 30 mm - 24V 12 → 24 V dc 4-Pin M12 Connector IP67 Stainless Steel Yes Yes
RS庫存編號 742-0827
製造零件編號XX630S1PCM12
HK$6,462.04
單位
50 → 1000 mm PNP-NO/NC Barrel M30 x 1.5 200kHz 30 mm - 24V 12 → 24 V dc M12 Connector IP67 Metal Yes Yes
RS庫存編號 753-0508
製造零件編號XX512A1KAM8
HK$1,973.04
單位
6 → 50 mm PNP/NPN-2NO Barrel M12 500kHz 12 mm - 24V 12 → 24 V dc M8 - 4 Pin IP67 Ultem Yes Yes