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PEPPERL+FUCHS News

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Vibration Sensors for Optimum Plant Availability

From milling machines to pumps and fans to wind turbines—wherever vibrations occur, condition monitoring and predictive maintenance play a crucial role in ensuring personnel and plant protection. In order to perform reliable measurements of vibration velocity and acceleration in low- or high-frequency ranges, Pepperl+Fuchs offers three new vibration sensor series. These devices for global applications come with approvals for hazardous areas up to Zone 1/21 and Div. 2, as well as certifications for functional safety SIL 1/PL c and SIL 2/PL d—meeting the highest safety requirements.

Three Designs for Various Requirements
Unlike comparable products, Pepperl+Fuchs vibration sensors boast a particularly wide measuring range capable of measuring vibrations of up to 128 mm/second. With encapsulated electronics in a rugged compact housing, these sensors stand out due to their maintenance-free operation and particularly long service life. They are available in three designs with different functional ranges:

The VIM3 sensors are the smallest vibration sensors in the series, suited for less complex applications. The VIM6 series sensors, on the other hand, are designed for use in high-temperature areas, where they are deployed to measure temperature as well as vibration. An analog output is available for each measured value. The VIM6 series is available with duplex steel housing and is approved for use in hazardous areas up to Zone 1/21. While the VIM3 sensors are certified in accordance with SIL 1/PL c for use in safety applications (IO-Link version), the VIM8 series mentioned below is available with SIL 2/PL d approval.

The VIM8 series with encapsulated electronics is designed for use in harsh environments and Zone 1/21 hazardous areas as well as offshore applications. With SIL 2 approval and a temperature range of -35 ... +125 °C, these sensors are also equipped with a number of sophisticated functions. For example, by means of the integrated crest function the condition of machine bearings can be monitored and machine downtime or failures can be prevented before damage occurs. Optionally, users can define two limit values via rotary switches. As soon as these values are exceeded, they are output via two relays for predictive maintenance purposes. This eliminates the need for extensive software development to evaluate the signal values in a PLC. 

Helpful Accessories Complete the Portfolio
The portfolio of vibration sensors is complemented by helpful accessories, including mounting adapters, a flexible metal conduit and a protective rubber sleeve. The metal conduit, which is available for the sensor types VIM6 and VIM8, safeguard the cables from mechanical stress while the rubber sleeve provides additional protection from moisture and dirt.

Highlights of the New Vibration Sensors

  • Three new vibration sensors with approvals up to Zone 1/21 (Div. 2) for optimum plant availability and process safety
  • Particularly rugged housing design and suitability for safety applications according to SIL 1/PL c and SIL 2/PL d
  • Largest vibration sensor VIM8 with encapsulated electronics withstands notably high mechanical and chemical loads and is made with two adjustable relays to detect critical limits
  • Helpful accessories: Protective rubber sleeve protects against severe weather; metal conduit protects cable against mechanical stress 

About Pepperl+Fuchs
In 1945, Walter Pepperl and Ludwig Fuchs founded a small radio workshop in Mannheim, Germany, based on the principles of inventiveness, entrepreneurial foresight, and self-reliance. The experience they acquired was transformed into new ideas, and they continued to enjoy developing products for customers. The eventual result was the invention of the proximity switch. This innovation represented the starting point of the company's success story.

Today, Pepperl+Fuchs is known by customers around the world as a pioneer and an innovator in electrical explosion protection and sensor technology. Our main focus is always on your individual requirements: With a passion for automation and groundbreaking technology, we are committed to working in partnership with you now and in the future. We understand the demands of your markets, developing specific solutions, and integrating them into your processes.

Responsible for the content of this press release: Pepperl+Fuchs SE

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Pepperl+Fuchs SE
Lilienthalstraße 200
68307 Mannheim
Germany
+49 621 776-0

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