Sick UM18-21812B211 Ultrasonic Sensor
The SICK UM18-21812B211 Ultrasonic Sensor provides 120–1000 mm sensing, push-pull output, and IO-Link V1.1 connectivity reliably. The SICK UM18-21812B211 is a SICK Push-pull Ultrasonic Sensor within the SICK Ultrasonic Sensor range and the UM18 Series, featuring 10–30 V DC operation, an M12 5-pin connector, IP65/IP67 protection, nickel-plated brass housing, temperature compensation, and reliable detection of objects regardless of colour, gloss, transparency, or ambient light.
| Brand | Sick |
| Product Type | Ultrasonic Sensor |
| Product | UM18-21812B211 |
Sick UM18-21812B211 Ultrasonic Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Design | Cylindrical |
| Supply voltage Vs | DC 9 V ... 30 V 1) 2) |
| Power consumption | ≤ 1.2 W |
| Initialization time | < 450 ms 4) |
| Housing material | Plastic (PBT/PET, ultrasonic transducer: polyurethane foam, glass epoxy resin) |
| Connection type | Male connector, M12, 5-pin |
| Indication | 2 x LED |
| Sending axis | Straight |
| Dimensions (W x H x D) | 18 mm x 18 mm x 52.7 mm |
| Enclosure rating | IP65 / IP67 |
| Weight | 180 g |
The UM18-21812B211 SICK Push-pull Ultrasonic Sensor is a cylindrical ultrasonic distance sensor designed for industrial automation and non-contact object detection. This SICK model belongs to the UM18 Series and provides a 120–1000 mm sensing range, push-pull PNP/NPN output, IO-Link V1.1 communication, and IP65/IP67 protection. The UM18-21812B211 SICK Push-pull Ultrasonic Sensor supports reliable measurement while maintaining stable performance across changing temperatures and demanding industrial environments.
The UM18-21812B211 SICK Push-pull Ultrasonic Sensor is commonly used in conveyor systems, packaging equipment, assembly machines, and automated production lines. Its push-pull output simplifies integration with different control systems, while IO-Link enables remote parameterization and diagnostics. Reliable ultrasonic sensing allows accurate detection of natural objects regardless of colour, gloss, transparency, or ambient light, helping maintain stable machine operation and consistent production performance.
The SICK UM18-21812B211 is a dependable ultrasonic sensing solution within the UM18 Series for industrial automation and distance measurement applications. With IO-Link V1.1, 120–1000 mm sensing range, push-pull PNP/NPN output, and IP65/IP67 enclosure, it supports reliable operation in demanding environments. SICK provides proven ultrasonic sensing technology for engineers seeking consistent measurements, straightforward system integration, and long-term industrial reliability.
