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 399-5103
製造零件編號UB500-18GM75-E5-V15
HK$2,346.83
單位
30 → 500 mm PNP-NO Barrel M18 x 1 380kHz 18 mm - - 30V 10 → 30 V dc M12 - 5 Pin IP65 Nickel Plated Brass -
RS庫存編號 850-3083
製造零件編號T30UUPA
BrandBanner
HK$6,923.14
單位
150 → 1000 mm Analogue, PNP-NO Barrel M30 x 1.5 - 40 mm - - 24V 15 → 24 V dc Cable IP67 Thermoplastic Polyester Yes
RS庫存編號 188-5261
製造零件編號UA30CAD35PKM1TI
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 219-061
製造零件編號UC12-11231
BrandSick
HK$2,927.94
單位
20 → 150 mm PNP-NO/NC Block - 380kHz - - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Die Cast Zinc Yes
RS庫存編號 814-1121
製造零件編號BUS M30M1-PPX-60/600-S92K
BrandBALLUFF
HK$2,481.56
單位
600 → 6000 mm NO/NC Barrel M30 x 1.5 - - - - 30V 9 → 30 V dc M12 Connector, M30 Connector IP67 Nickel Plated Brass, PBT, TPU -
RS庫存編號 123-2440
製造零件編號UGT201
HK$1,311.04
單位
60 → 800 mm PNP NO/NC Barrel M18 x 1 230kHz - - - 30V 10 → 30 V dc M12 - 4 Pin IP67 Epoxy Glass Ceramic, PBT, Polyamide Yes
RS庫存編號 612-2134
製造零件編號XX930A1A2M12
HK$3,301.28
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
RS庫存編號 891-9375
製造零件編號UC4000-30GM-IUEP-IO-V15
HK$3,963.22
單位
200 → 4000 mm Push Pull Barrel - 85kHz 40 mm IO-LINK - 30V 10 → 30 V dc M12 - 5 Pin IP67 Polyamide, Stainless Steel, TPU Yes
RS庫存編號 764-0614
製造零件編號XXV18B1PBM12
HK$972.40
單位
3 → 50 mm PNP-NC Barrel M18 x 1 360kHz 18 mm - - 36V 12 → 24 V dc M12 - 4 Pin IP67 Brass Yes
RS庫存編號 700-2873
製造零件編號UM30-212113
BrandSick
HK$4,900.71
單位
60 → 350 mm Analogue Barrel M30 x 1.5 400kHz 30 mm - - 30V 9 → 30 V dc M12 - 5 Pin IP67 Nickel Plated Brass 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 891-9407
製造零件編號UC2000-30GM70-IE2R2-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 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 123-2459
製造零件編號UGT510
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 458-5189
製造零件編號UB2000-F42S-E6-V15
HK$1,931.03
單位
60 → 2000 mm PNP-2NO/NC Block - 175kHz - - - 30V 10 → 30 V dc M12 - 5 Pin IP54 ABS -
RS庫存編號 612-2190
製造零件編號XX7V1A1PAM12
HK$2,136.17
單位
50 → 500 mm PNP-NO Block - 300kHz - - - 24V 12 → 24 V dc M12 - 4 Pin IP67 Plastic Yes
RS庫存編號 815-4192
製造零件編號U500.PA0-11110577
BrandBaumer
HK$1,812.65
單位
100 → 1000 mm Push Pull Block - 220kHz - - - 30V 12 → 30 V dc M12 Connector IP67 ASA, PMMA Yes
RS庫存編號 773-7349
製造零件編號UBR400-F77-E2-V31
HK$1,146.43
單位
0 → 400 mm PNP-NO Block M8 x 1 300kHz - - - 30V 20 → 30 V dc M8 - 4 Pin IP67 Polycarbonate -
RS庫存編號 177-8886
製造零件編號XXA18B1AM12
HK$3,958.73
單位
100 → 1000 mm Analogue Barrel M18 x 1 200kHz 18 mm - - 30V 12 → 24 V dc M12 - 5 Pin IP65, IP67 Brass Yes
RS庫存編號 753-0508
製造零件編號XX512A1KAM8
HK$2,115.80
單位
6 → 50 mm PNP/NPN-2NO Barrel M12 x 1 500kHz 12 mm - - 24V 12 → 24 V dc M8 - 4 Pin IP67 Ultem Yes