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AF903 Pressure level transmitter

  • Suitable for drinking water

  • 0.5 bar / 10m cable

  • Analogue output
Submersible pressure transmitters are ideal for level measuring in vessels, waste water systems and wells. The AF903 submersible pressure transmitter is lowered into the vessel together with the cable and measures the hydrostatic pressure of the water column. The actual level is determined in this manner. AF903 has a 10 m long cable and can measure levels of up to 5 mH2O. The submersible pressure transmitter is suitable for drinking water applications, waste water and aggressive media.

The AF903 submersible pressure transmitter demonstrates excellent impermeability at large immersion depths. The stainless steel housing is very robust and boasts a high-quality finish. The relative pressure measuring cell measures the hydrostatic pressure of the water column and converts it into a 4...20 mA signal. A capillary tube is integrated in the connection cable and is used for atmospheric pressure compensation. A filter protects the open end of the tube against clogging. A cap protects the diaphragm from impurities in the medium. The filter and the cap are included in the scope of delivery.

The ends of the cable are ideally assembled in a watertight junction box or directly in the control cabinet. When assembling, make sure the capillary tube is not kinked, otherwise there will be no pressure compensation. Special autosen cable clamps can be used during assembly to prevent this from happening. Accessories, technical data sheets and further information can be found further down the page.
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About autosen.com

Buy sensors and sensor systems for automating systems and machines online at revolutionary low prices. As Germany's online pioneer and provider of position sensors, process sensors, industrial communication systems and connection technology for sensor solutions, we have aligned our product line to the daily needs of our industrial customers. In addition to inductive sensors, proximity switches and proximity sensors for non-contact detection of metals, we also offer optical sensors for longer distances in the system of retro-reflective sensor, reflex lights barriers and through-bean light barriers. We also offer sensor solutions in our Online Shop for laser sensors, distance sensors and laser light barriers. For position sensing we offer many different models of capacitive sensors, for example with M12 and M18 thread or in rectangular versions. Magnetic sensors, cylinder sensors and cylinder switches for pneumatic cylinders round out our assortment in position sensing.

In process measurement technology and under process sensors our customers will find their industrial needs sorted in a user-friendly arrangement. Customer who would like to detect a fill level can automate this for example with our level sensors. For measuring process values in pipeline systems we offer various measurement principles such as pressure measurements and monitoring with pressure transmitters, pressure sensors or pressure switches and temperature measurements with temperature sensors and temperature transmitters. For measuring flow speeds in pipes and lines, our customers can also find a wide range of flow sensors and flow meters in our product line. For measuring process media and liquids, our Online Shop also features sensors for monitoring media and process values for automation. For wiring and connecting sensors in machines we offer a large selection of cables, cable boxes and sensor cables in different lengths and sizes and with connectors including M8 and M12 plugs. Our customers will also find the mounting brackets and assembly units required for proper and reliable fastening in the assembly of sensors and sensor systems in our Internet delivery portfolio.