SICK Ultrasonic Threaded Barrel Proximity Sensor, M18, 1.3 m Detection 4-20 mA, 10 → 30 V dc

RS Stock No.:: 267-2127
Mfr. Part No.:: UM18-218166101
Brand:: SICK

SICK Ultrasonic Threaded Barrel Proximity Sensor, M18, 1.3 m Detection 4-20 mA, 10 → 30 V dc

Subtotal (1 unit)*

£206.23

(exc. VAT)

£247.48

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

6 unit(s) ready to ship
Plus 1 unit(s) ready to ship from another location
Plus 999,999,993 unit(s) shipping from 12 December 2025

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£206.23

*price indicative

RS Stock No.:: 267-2127
Mfr. Part No.:: UM18-218166101
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
	Body Style	Threaded Barrel
	Detection Range	1.3 m
	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	Plastic
	Maximum DC Voltage	30V
	Diameter	18 mm
	Minimum Operating Temperature	-25°C
	Maximum Operating Temperature	+70°C
	Standards Met	CE, cULus Listed, EAC
	Series	UM
	Reverse Polarity Protection	Yes
	Short Circuit Overload Protection	Yes
	Depth	18mm

	Select all
	Brand SICK
	Thread Size M18
	Sensor Technology Ultrasonic
	Body Style Threaded Barrel
	Detection Range 1.3 m
	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 Plastic
	Maximum DC Voltage 30V
	Diameter 18 mm
	Minimum Operating Temperature -25°C
	Maximum Operating Temperature +70°C
	Standards Met CE, cULus Listed, EAC
	Series UM
	Reverse Polarity Protection Yes
	Short Circuit Overload Protection Yes
	Depth 18mm

COO (Country of Origin):: DE

SICK UM18 Series Proximity Sensor, Ultrasonic Sensor Technology, 1.3 m Detection Range - UM18-218166101

This proximity sensor features ultrasonic technology, making it ideal for precise distance measurements. With a compact design, this threaded barrel sensor measures just 52.7mm in length and 18mm in diameter, providing a robust solution for various industrial applications.

Features & Benefits

• Offers a detection range of up to 1.3 m for versatile applications
• Supports a 4-20 mA sensor output for compatibility with existing systems
• IP65 and IP67 ratings ensure protection against dust and water ingress
• Temperature-resistant operation from -25 °C to +70 °C
• Reverse polarity and short circuit protection add safety during use
• Plastic housing ensures lightweight durability in demanding environments

Applications

• Used in automation systems for precise distance detection
• Suitable for level measurement in tanks and hoppers
• Employed in material handling for object detection and tracking
• Integrated into production lines for quality control and monitoring
• Utilised in security systems for presence detection and alarm triggering

What is the maximum range for accurate detection of this device?

The maximum detection range for this sensor is up to 1.3 m, suitable for various industrial applications involving natural objects.

How does the device ensure consistent performance in varying temperatures?

The sensor operates reliably across a wide temperature range from -25 °C to +70 °C, ensuring performance in diverse environmental conditions.

What are the implications of the IP65 and IP67 ratings?

These ratings indicate robust resistance to dust particles and protection against water ingress, allowing installation in challenging locations without risk of damage.

Note

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