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AF904 Pressure level transmitter

  • Suitable for drinking water

  • 1.0 bar / 15m cable

  • Analogue output
The AF904 hydrostatic submersible pressure transmitter is designed for reliable level measuring in tanks, vessels, basins and wells. AF904 is ideal for the level monitoring of liquids and drinking water. The submersible pressure transmitter is lowered to the bottom of the vessel and can measure up to a maximum level of 10 mH2O. The submersible pressure transmitter is connected to a 15 m long cable, which is either assembled outside the vessel or fed directly into the control cabinet.

A relative pressure measuring cell converts the hydrostatic pressure into a 4…20 mA signal. A capillary tube is integrated in the connection cable and enables atmospheric pressure compensation. The tube is protected against soiling by a filter. A protective cap prevents coarse soiling in the medium from clogging the diaphragm of the pressure measuring cell. The filter and the cap are included in the scope of delivery.

Underwater operation requires the high protection rating of IP68. The robust stainless steel housing boasts a high-quality finish and ensures good impermeability at high water pressure. When using appropriate accessories, e.g. a cable clamp holder and a waterproof junction box, the immersion probes can be adapted to the specific application. You will find technical data sheets, drawings and suitable accessories further down the page.
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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.