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Hygienic flow sensor with IO-Link

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Hygienic flow sensor with IO-Link
No more blind spots in the digital process
The SM Foodmag magnetic-inductive flow sensor takes the flow measurement of liquid and creamy foods to a new level. Equipped with IO-Link, the sensor is the first of its kind to enable digital data transmission from the process, eliminating the last blind spot in the digitized, transparent production process. On site, the display itself and the all-round visible status LED provide information about the current status.

Measures everything that's important
The sensor detects the current flow, total quantity and flow direction, as well as the presence of the medium (often referred to as conduit detection). In addition, conductivity and temperature are transmitted to the control system and IT level. This can reduce the need for additional measuring points in the system.

Comfort, clarity, safety
The integration of the SM Foodmag takes care of itself almost by itself. The standard M12 connector, combined with our patented cables, ensures a fast, watertight and error-free connection to the data infrastructure. The standard installation dimensions as well as flexibly selectable seals and process adapters enable easy integration even in existing systems. Parameterization is achieved in the shortest possible time via the app-based menu structure and with the help of guided installation. Local and digital, the SM Foodmag thus ensures maximum visibility into the inside of the pipe – and thus also greater safety in the process.

Intensive testing for long-lasting quality
With extensive internal and external tests, it is ensured right from the start that the SM Foodmag can withstand the extreme situations of everyday process life in the food industry – and in the long term.

The thermal shock test tests the accuracy of the sensor in the event of strong temperature fluctuations. These occur, for example, during the pasteurization process, when milk or products with a high acidity are heated up to 72°C to 95°C and then quickly cooled down again. This process ensures the shelf life of the products. Even after 1,000 hours of continuous exposure due to rapid temperature changes from sub-zero to high double-digit ranges, the measurement result must still be within the specified accuracy range.

When media are fed from the tank to the processing steps, pumps and valves are required. Pumps provide continuous vibration and quick-opening valves for pressure peaks. The pressure peak test simulates the rapid pressure surges, whereby a pressure load is applied that deliberately exceeds the compressive strength specified in the data sheet. After one million cycles, the SM Foodmag is checked for leaks. Shock and vibration are also simulated intensively, over a period of days, across the X, Y and Z axes to ensure that external influences do not have a significant impact on the performance of the devices.

In the condensate formation test, a cold medium is passed through the pipe system and sensor – at the same time at a warm ambient temperature. The SM Foodmag is exposed to the high humidity and the resulting condensate for several weeks and in different installation positions to ensure that no moisture penetrates the device.

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