2129806

Overview

The SICK UM18-21212A212 is an ultrasonic proximity sensor featuring a cylindrical metal housing with M18 x 1 threading. It operates on a DC supply voltage of 10 to 30 V and provides both PNP and NPN output types. The detection range spans from 65 mm to 350 mm. Key electrical parameters include a maximum switching current of 100 mA, a maximum switching frequency of 12 Hz, and protection against short circuits and polarity reversal. The unit measures 68.7 mm in length with an 18 mm diameter and supports an operating temperature range of -25 °C to +70 °C.

Feature Summary

• Ultrasonic sensing technology for reliable object detection
• Dual PNP and NPN output configuration
• Metal cylindrical housing design
• Integrated short circuit and polarity reversal protection

Applications

• Industrial automation monitoring
• Level detection applications
• Object presence verification

Procurement Notes

Verify the specific part number UM18-21212A212 against official SICK documentation to confirm compatibility with system requirements. Ensure that the required output type (PNP or NPN) matches the control interface. Confirm environmental conditions fall within the specified temperature and IP rating limits before procurement.

Selection Notes

Select this model when dual output flexibility is required for different PLC inputs. The M18 form factor suits standard mounting configurations. Verify that the 65 mm minimum detection distance meets application constraints. Consider the 12 Hz switching frequency limit for high-speed cycle requirements.

Part Context

This component belongs to the SICK UM18 series of ultrasonic sensors. The series is designed for industrial environments requiring robust detection capabilities. The cylindrical metal construction ensures durability in demanding settings. This specific variant integrates versatile output options for broader integration possibilities.

FAQ

What is the minimum detection distance?

The minimum detection distance is 65 mm.

Does the sensor support both PNP and NPN outputs?

Yes, the UM18-21212A212 provides both PNP and NPN output types.