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 458-5252
製造零件編號UB3000-F42-UK-V95
HK$2,535.73
單位
200 → 3000 mm NO/NC Block - 85kHz - - 253V 20V 20 V dc, 253 V ac 7/8"-16UN2A - 5 Pin IP65 PBT -
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 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 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 848-7168
製造零件編號QS18UNAQ8
BrandBanner
HK$1,567.62
單位
50 → 500 mm NPN-NO Block M18 x 1 - - - - 30V 12 → 30 V dc M12 - 4 Pin IP67 ABS Yes
RS庫存編號 848-7161
製造零件編號QS18UPA
BrandBanner
HK$1,567.62
單位
50 → 500 mm PNP-NO Block - - - - - 30V 12 → 30 V dc Cable IP67 ABS Yes
RS庫存編號 123-2454
製造零件編號UGT505
HK$1,679.67
單位
60 → 800 mm Analogue, PNP-NO Barrel M18 x 1 230kHz - - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Epoxy Glass Ceramic, Polyamide, Stainless Steel Yes
RS庫存編號 814-1112
製造零件編號BUS M30M1-XC-60/600-S92K
BrandBALLUFF
HK$4,283.02
單位
600 → 8000 mm Analogue Barrel M30 x 1.5 80kHz - - - 30V 9 → 30 V dc M12 - 5 Pin IP67 Brass, PBT, TPU Yes
RS庫存編號 700-2889
製造零件編號UM30-213112
BrandSick
HK$3,664.84
單位
200 → 1300 mm PNP-NO/NC Barrel M30 x 1.5 200kHz 30 mm - - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes
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 506-2766
製造零件編號3RG6232-3AB00-PF
HK$2,401.80
單位
5 → 30 mm PNP Barrel M18 x 1 400kHz 18 mm - - 30V 12 → 30 V dc 4-Pin M12 Connector IP67 Nickel Plated Brass -
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 123-2462
製造零件編號UGT513
HK$2,346.24
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 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 175-7683
製造零件編號RU50U-S18-AN8X-H1141
BrandTurck
HK$2,161.13
單位
50 → 500 mm NPN-NO Barrel M18 x 1 300kHz 18 mm - - 30V 30 V dc - IP67 Plastic Yes
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 123-2447
製造零件編號UGT208
HK$1,823.05
單位
200 → 2200 mm Analogue, PNP-NO/NC Barrel M18 x 1 200kHz - - - 30V 10 → 30 V dc M12 - 5 Pin IP67 Epoxy Glass Ceramic, PBT, Polyamide Yes
RS庫存編號 784-6718
製造零件編號UM30-213113
BrandSick
HK$4,900.71
單位
2000 mm Analogue Barrel M30 x 1.5 200kHz 30 mm - - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass Yes
RS庫存編號 610-5779
製造零件編號3RG6115-3BF00
HK$6,271.86
單位
400 → 3000 mm Analogue, PNP-NO Barrel M30 x 1.5 120kHz 48 mm - - 30V 12 → 30 V dc M12 - 5 Pin IP65 Nickel Plated Brass -
RS庫存編號 175-7687
製造零件編號RU600U-M30E-LI18X2-H1151
BrandTurck
HK$6,837.80
單位
600 → 6000 mm Analogue, PNP-NO Barrel M30 x 1.5 75kHz 44.7 mm - - 30V 30 V dc - IP67 Metal Yes