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Reliable inclination measurement – Sensors from tecsis with Performance Level d

Inclination sensors are used in any situation where the angle of machinery or machinery components relative to the horizontal has to be accurately determined. For applications in which stringent safety requirements apply at the same time, tecsis can provide a sensor with which Performance Level d can be fulfilled in the form of the N1201 inclination sensor. Typical usage areas for these inclination sensors are cranes, work platforms, wind power systems or mobile machinery. The sensors operate using a dielectric liquid, the surface of which always aligns itself horizontally by means of gravity, similarly to a spirit level. The liquid is located between two circular electrodes, one of which is divided into two semicircles. The space between them is half-filled with the liquid. When the sensor rotates, the capacities between the two semicircular electrodes at one side and the counter-electrode at the other side change. An electronic system records this capacity difference and calculates the inclination angle from this. A measurement covering 360° can be made with high precision of <0.3° using this method. Lateral inclination and temperature changes only have an extremely small influence on the result of the measurement. The angle resolution of the inclination sensors is 0.01°, and angle changes can be recorded at speeds of up to 5°/s. The inclination sensors fulfil high protection classes, are insensitive to vibration and shocks, and can be used within a wide temperature range of -40 °C to +80°C. As well as the redundant version for applications with PL d, a version with pressure-resistant encapsulation for applications in potentially explosive areas is also available. The devices can therefore be used in offshore systems for transporting oil and gas. An extremely good price/performance ratio also makes the sensor of interest for price-sensitive applications.

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