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 684-2914
製造零件編號6GR6222-3AB00-PF
HK$1,548.23
單位
20 → 250 mm PNP-NO Barrel M18 x 1 400kHz 18 mm - - 30V 20 → 30 V dc M12 connector IP67 Nickel Plated Brass Yes
RS庫存編號 684-2904
製造零件編號6GR6233-3AB00-PF
HK$1,406.30
單位
50 → 700 mm PNP-NO Barrel M18 x 1 200kHz 18 mm - - 30V 20 → 30 V dc M12 connector IP67 Nickel Plated Brass Yes
RS庫存編號 177-8898
製造零件編號XXS18P1AM12
HK$2,900.20
單位
100 → 1000 mm Analogue Barrel M18 x 1 200kHz 18 mm - - 30V 12 → 24 V dc M12 - 5 Pin IP65, IP67 PBT Yes
RS庫存編號 458-5561
製造零件編號UB500-F42S-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 303-5150
製造零件編號UNAM 18P1703
BrandBaumer
HK$3,912.48
單位
100 → 700 mm PNP-NO Barrel M18 x 1 240kHz 18 mm - - 30V 12 → 30 V dc M12 Connector IP67 Nickel Plated Brass Yes
RS庫存編號 610-5757
製造零件編號3RG6113-3BF00
HK$6,619.63
單位
200 → 1300 mm Analogue, PNP-NO Barrel M30 x 1.5 200kHz 30 mm - - 30V 12 → 30 V dc M12 - 5 Pin IP65 Nickel Plated Brass -
RS庫存編號 135-0280
製造零件編號BUS M18M1-GPXI-12/100-S92G
BrandBALLUFF
HK$2,085.87
單位
120 → 1300 mm PNP/NPN-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 123-2466
製造零件編號UGT582
HK$1,679.67
單位
60 → 800 mm Analogue, PNP-NO/NC Block M18 x 1 230kHz - - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Epoxy Glass Ceramic, PBT, Polyamide, Stainless Steel 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 135-0279
製造零件編號BUS M18M1-GPXI-07/035-S92G
BrandBALLUFF
HK$2,085.87
單位
65 → 600 mm PNP/NPN-NO/NC Barrel M18 x 1 400kHz - IO-LINK - 30V 10 → 30 V dc M12 - 5 Pin IP67 Brass, PBT 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 2509203371
製造零件編號UB1000-18GM75-I-V15
HK$3,202.36
單位
- - - - - - - - - - - - - -
RS庫存編號 2508435277
製造零件編號UB300-18GM40-U-V1
HK$2,678.20
單位
- - - - - - - - - - - - - -
RS庫存編號 2508435283
製造零件編號UB800-18GM40-E5-V1
HK$2,445.38
單位
- - - - - - - - - - - - - -
RS庫存編號 2508589472
製造零件編號941-D4V-2D-1C0-180E
BrandHoneywell
HK$4,167.10
單位
- - - - - - - - - - - - - -
RS庫存編號 2509666066
製造零件編號SUA925QD
HK$3,172.82
單位
- - - - - - - - - - - - - -