German FHU POLIMER sensors, FHU POLIMER models, FHU POLIMER prices

FHU POLIMER pressure sensors for level measurement. Submersible hydrostatic level transmitters (level gauges) operate on the principle that the static pressure of the measured liquid is proportional to its height. They use advanced imported isolated diffused silicon sensing elements or ceramic capacitive pressure sensors to convert static pressure into electrical signals. After temperature compensation and linear correction, these are converted into standard electrical signals (typically 4–20mA/15VDC).

FHU POLIMER sensor introduction

Divided into two categories: one is contact-type, including single-flange static pressure/double-flange differential pressure level transmitters, float level transmitters, magnetic level transmitters, submersible level transmitters, electric internal float level transmitters, electric displacer level transmitters, capacitive level transmitters, magnetostrictive level transmitters, servo level transmitters, etc. The second category is non-contact type, including ultrasonic level transmitters, radar level transmitters, etc. Submersible hydrostatic level transmitters (level gauges) are suitable for level measurement of various media in systems and industries such as petrochemical, metallurgy, electric power, pharmaceuticals, water supply and drainage, and environmental protection. The compact structure, simple calibration, and flexible installation methods provide convenience for users. Standard signal output options such as 4–20mA, 0–5v, and 0–10mA can be selected by users as needed. Using hydrostatic principles to measure level is an important application of pressure sensors. Special cables with venting tubes and specialized sealing techniques ensure the sensor's watertightness while allowing the reference pressure chamber to equalize with ambient pressure, thereby ensuring high accuracy and stability.

FHU POLIMER sensor features

1) Since the output depends only on whether the optical probe contacts the liquid surface, and is independent of other medium characteristics such as temperature, pressure, density, and conductivity, optical level sensors offer accurate detection and high repeatability; fast response speed, very precise level control, and can be installed and used directly without calibration. 2) Due to the relatively compact size of the optical level sensor probe, it can be installed separately in narrow spaces, making it suitable for use in special tanks or containers. Additionally, multiple optical probes can be mounted on a single measuring body to create multi-point level sensors and controllers. 3) Since all internal components of the sensor are encapsulated in resin, there are no mechanical moving parts inside the sensor, resulting in high reliability, long service life, and maintenance-free operation.

FHU POLIMER sensor applications

Widely used in water plants, refineries, chemical plants, glass factories, sewage treatment plants, high-rise water supply systems, reservoirs, rivers, oceans, etc., for the measurement and control of static and dynamic levels in water supply pools, distribution pools, water treatment tanks, wells, water tanks, storage tanks, oil wells, oil tanks, oil sumps, and various liquids.

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