Pressure Sensor | RS485 & 0-10V Output | 0-100 Bar Range

This digital pressure transducer RS485 gives you exact pressure information for your industrial control systems. It's a pressure sensor that uses the Modbus protocol for reliable communication. You can pick from several output signals and pressure ranges to fit your needs, from 0-4bar to 0-100bar. Features and Benefits - RS485 Modbus communication - Lets you connect many sensors on one network over long distances, which simplifies wiring. - Multiple output signals - Offers 4-20mA, 0-10V, and RS485 outputs for connecting with different PLCs and SCADA systems. - Diffusion silicon core - Provides steady and repeatable measurements with an accuracy of 0.5% FS for process control. - IP65 stainless steel body - Protects the sensor from dust and water, so it works well in tough environments. Applications - Hydraulic systems - Watch pressure in real-time for equipment control and safety. - Water management - Use as an RS485 Modbus water pressure transmitter in pipelines and pump stations. - HVAC systems - Measure pressure differences in air and liquid lines for efficient operation. Safety & Preparation Before testing your Pressure Sensor, ensure all power sources are disconnected to prevent electrical shock or damage to the unit. Pressure transducers, like this Pressure Sensor, convert physical pressure into an electrical signal. Understanding how does a pressure transducer work involves applying a known pressure and verifying the corresponding electrical output. Always wear appropriate personal protective equipment. Handle the sensor carefully, especially the process connection M201.5, to avoid damage. This product does not include a battery. Check Excitation Voltage To test how a pressure transducer works, first verify the excitation voltage. The Pressure Sensor requires an external power supply, typically 24V DC for industrial applications, though specific voltage requirements vary by model. Consult the sensor's documentation for the precise excitation voltage range. Incorrect voltage can damage the transducer or lead to inaccurate readings. Use a multimeter to confirm the voltage supplied to the sensor terminals matches the manufacturer's specifications before proceeding with further tests. Test Output Signal (Zero Pressure / No Load) With the correct excitation voltage applied, test the output signal at zero pressure or no load. This establishes a baseline reading for your Pressure Sensor. How to test a pressure transducer at zero involves simply connecting your multimeter to the output terminals without any pressure applied to the M201.5 process connection. For this Pressure Sensor, you can expect an output signal of RS485 or 0-10V. This initial reading helps to confirm the sensor is functioning and provides a reference point for subsequent pressure measurements. For Current Output Transducers (4–20 mA): Although this Pressure Sensor does not offer 4-20mA output as its only option, some models do. For pressure transducers with a 4-20 mA output, connect a multimeter in series with the output loop to measure the current. At zero pressure, a properly functioning transducer should output 4 mA. As pressure increases across the 0-100 bar range, the current output should proportionally rise, reaching 20 mA at the maximum rated pressure. This linear relationship is key to how pressure transducers work for many industrial control systems and logic controllers. For Voltage Output Transducers (0–5V, 0–10V, or mV): This Pressure Sensor offers a 0-10V output signal. For voltage output transducers, connect a multimeter in parallel with the output terminals. At zero pressure, the output should read 0V. As pressure is applied to the M201.5 process connection, the voltage should increase proportionally across the 0-100 bar range, reaching 10V at the maximum rated pressure. This direct voltage output is easily interpreted by data acquisition systems or logic controllers, allowing for precise monitoring of pressure.