SICK Ultrasonic Threaded Barrel Proximity Sensor, M18, 1 m Detection 4-20 mA, 10 → 30 V dc

RS Stock No.:: 212-5525
Mfr. Part No.:: UM18-218126111
Brand:: SICK

SICK Ultrasonic Threaded Barrel Proximity Sensor, M18, 1 m Detection 4-20 mA, 10 → 30 V dc

Subtotal (1 unit)*

£300.01

(exc. VAT)

£360.01

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

5 unit(s) ready to ship
Plus 1 unit(s) ready to ship from another location
Plus 999,999,994 unit(s) shipping from 05 December 2025

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Units	Per unit
1 +	£300.01

*price indicative

RS Stock No.:: 212-5525
Mfr. Part No.:: UM18-218126111
Brand:: SICK

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	SICK
	Thread Size	M18
	Sensor Technology	Ultrasonic
	Detection Range	1 m
	Body Style	Threaded Barrel
	Analogue Switching Output Type	4-20 mA
	Connection Type	M12
	Supply Voltage	10 → 30 V dc
	Length	52.7mm
	IP Rating	IP65, IP67
	Width	18mm
	Housing Material	Metal
	Maximum DC Voltage	30V
	Diameter	18 mm
	Minimum Operating Temperature	-25°C
	Reverse Polarity Protection	Yes
	Standards Met	CE
	Series	UM
	Depth	18mm
	Short Circuit Overload Protection	Yes
	Maximum Operating Temperature	+70°C

	Select all
	Brand SICK
	Thread Size M18
	Sensor Technology Ultrasonic
	Detection Range 1 m
	Body Style Threaded Barrel
	Analogue Switching Output Type 4-20 mA
	Connection Type M12
	Supply Voltage 10 → 30 V dc
	Length 52.7mm
	IP Rating IP65, IP67
	Width 18mm
	Housing Material Metal
	Maximum DC Voltage 30V
	Diameter 18 mm
	Minimum Operating Temperature -25°C
	Reverse Polarity Protection Yes
	Standards Met CE
	Series UM
	Depth 18mm
	Short Circuit Overload Protection Yes
	Maximum Operating Temperature +70°C

COO (Country of Origin):: DE

SICK UM18 Series Proximity Sensor, Ultrasonic Sensor Technology, 1 m Detection Range - UM18-218126111

This ultrasonic proximity sensor is designed for a variety of industrial automation tasks. With a compact cylindrical metal housing measuring 18mm in diameter and 52.7mm in length, it provides robust performance in demanding environments. The sensor operates effectively across a detection range of 120mm to 1m, making it ideal for precise distance measurement and object detection.

Features & Benefits

• Ultrasonic sensor technology ensures accurate readings regardless of target material
• 4-20mA output provides compatibility with standard industrial systems
• IP65 and IP67 ratings guarantee protection against dust and water ingress
• Withstands extreme temperatures from -25°C to +70°C
• Reverse polarity protection prevents damage during incorrect wiring
• Short circuit overload protection enhances reliability and safety

Applications

• Ideal for level measurement in tanks and containers
• Fits requiring distance measurement in harsh environments
• Utilised in robotic systems for effective spatial awareness
• Suitable for logistics and material handling processes

What is the typical response time for this sensor during measurements?

The typical response time is 80ms, allowing for quick updates in real-time measurement applications.

How does the temperature compensation feature improve measurement accuracy?

The temperature compensation can be adjusted to ensure consistent accuracy, minimising errors caused by environmental fluctuations.

What power supply is needed for optimal operation?

Operation requires a DC voltage supply within the range of 10V to 30V for proper functionality.

Can this sensor be synchronised with multiple units?

Yes, it can synchronise with up to 20 sensors, enabling multiple installations without crosstalk interference.

Note

Product details cover the whole product family. For details on the specifications for this individual product, please refer to the datasheet.