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Marvo Part ID: MV-AZ77

£168.21 (ex. VAT)


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Specification Description
Part Number UM18-218127111
Alternative Part Number UM18218127111
Manufacturer Sick
Supply Voltage DC 15 V ... 30 V
Power Consumption ≤ 1.2 W
Initialisation Time < 300 ms
Housing Material Metal (Nickel-plated brass), Ultrasonic transducer: polyurethane foam, epoxy resin with glass
Thread Size M18 x 1
Connection Type Connector, M12, 5-pin
Indicators 2 x LED
Weight 25 g
Sensing Direction Direct
Dimensions (W x H x D) 18 mm x 18 mm x 52.7 mm
Protection Class IP65 / IP67
Insulation Class III
MTTFD 101 years
DCavg 0%
Operating Range 120 mm ... 1,000 mm, 1,300 mm (limit range)
Resolution ≥ 0.069 mm
Repeatability ± 0.15 %

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.


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Marvo currently delivers to the United Kingdom (excluding Northern Ireland), the United States of America and Germany. If you cannot find your delivery address at checkout, this is most likely because Marvo does not currently deliver to this location. There are ongoing efforts to make Marvo accessible to a global market, keep your eyes peeled as our service expands to new locations. All orders are sold with a streamlined delivery process ensuring that you get your part, fast. Marvo is designed to offer you quick, easy and reliable access to critical components and uses well established global shipping services, including but not limited to DHL, UPS and FedEx.


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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.


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UM18-218127111 Product Description

The Sick UM18-218127111 is a state-of-the-art ultrasonic sensor designed for a wide range of industrial applications. This sensor is adept at providing precise and reliable distance measurements, making it an ideal choice for automation tasks where accuracy is paramount. Its robust construction ensures durability and consistent performance in challenging industrial environments.

Engineered with versatility in mind, the UM18-218127111 features a compact cylindrical design, allowing for easy integration into existing systems without the need for extensive modifications. The sensor operates within a supply voltage range of DC 15 V to 30 V, and its power consumption is impressively low, at less than 1.2 W, making it an energy-efficient solution for continuous operation.

The sensor's quick initialization time of less than 300 ms ensures rapid deployment in time-sensitive applications, while its IP65/IP67 protection rating signifies its capability to withstand dust and water ingress, ensuring longevity and reliability. The UM18-218127111 also boasts an intuitive connection interface with an M12, 5-pin male connector, simplifying installation and maintenance.

With a detection range that spans from 120 mm to 1,000 mm, and up to 1,300 mm for the limit range, this ultrasonic sensor can cater to a broad spectrum of measurement tasks. Its high resolution and repeat accuracy ensure that even the smallest changes in distance are captured with precision, making it suitable for applications such as object detection, level measurement, and process control.

The Sick UM18-218127111 is a testament to innovative engineering, offering a blend of precision, efficiency, and durability for industrial sensing needs.

Frequently Asked Questions

What type of sensor is the UM18-218127111?

The UM18-218127111 is an ultrasonic sensor designed for various industrial applications to detect the presence or absence of objects or to measure distances.

Can this ultrasonic sensor be used in outdoor environments?

Yes, the sensor is built with a robust housing that is rated IP65/IP67, making it suitable for use in outdoor environments where it is exposed to dust and water.

What is the operating voltage range for this sensor?

The operating voltage range for the sensor is DC 15 V to 30 V.

What materials is the UM18-218127111 constructed from?

The sensor's housing is made of nickel-plated brass, with the ultrasonic transducer elements typically made from polyurethane foam and glass fibre epoxy resin.

What is the initialisation time for the sensor?

The sensor has an initialisation time of less than 300 milliseconds.

What type of output does the sensor provide?

The sensor provides both switching and analogue outputs, which can be used depending on the specific requirements of the application.

What is the range of detection for the UM18-218127111?

The sensor has an operational range of 120 mm to 1,000 mm for standard applications, with a maximum range limit of 1,300 mm.

How is the sensor mounted?

The sensor is designed with an M18 threaded barrel for easy mounting and comes with mounting nuts for secure installation.

What type of objects can the UM18-218127111 detect?

The sensor is capable of detecting natural objects within its specified range and can be used for various applications including level control, presence detection, and distance measurement.

Does the sensor have any visual indicators for operation?

Yes, the sensor is equipped with two LED indicators. One indicates the presence of supply voltage (green), and the other indicates the status of the switching or analogue output (orange).