Explore our range of differential pressure sensors featuring RS485, RS232, and USB digital interfaces. These sensors provide seamless communication with computers and other devices, simplifying data acquisition and integration into various industrial and research applications. Choose from a variety of pressure ranges, accuracies, and output options to meet your specific needs.
DPT100 Modbus RTU RS485 Differential Pressure Sensor - The DPT 100 is a high-accuracy differential pressure transmitter designed for fast test processes in leakage and flow measurement applications where rapid response time and high sampling rates are essential
PrimAtü 10 Low Cost Low Range Differential Air Pressure Transducer - The PrimAtü 10 low cost low range differential air pressure transducer can detect and display both positive and negative differential pressure variations of very low low pressure ranges from 0.5 up to 1000 mbar/hPa, and output the pressure as a 4-20mA, 0-20mA or a 0-10Vdc analog output.
Find out more about Digital Interface DP Sensors to determine which product options and capabilities will best meet your application requirements.
Digital interface differential pressure sensors offer a modern solution for pressure measurement, providing direct communication capabilities with computers and other digital systems. These sensors eliminate the need for analog-to-digital converters (ADCs) and simplify data acquisition and analysis.
Applications
- Building Automation: Monitoring pressure differentials across filters in HVAC systems is crucial for maintaining optimal airflow and indoor air quality. High differential pressure readings can indicate a clogged filter that needs replacing. RS485-equipped sensors are well-suited for this application, allowing multiple sensors to be networked together and report filter status to a central building management system (BMS). The BMS can then trigger alerts for maintenance or even automatically adjust fan speeds to compensate.
- Environmental Monitoring: In cleanrooms and laboratories, maintaining precise pressure differentials is essential for preventing contamination. Differential pressure sensors with RS232 or USB interfaces can be used to monitor the pressure difference between rooms or zones, ensuring proper airflow and containment. This data can be logged on a PC for analysis and compliance reporting.
- Industrial Process Control: Differential pressure is often used to measure flow rates in pipes and ducts. In industrial settings, a DP sensor with an RS485 interface can be connected to a Programmable Logic Controller (PLC) to monitor flow rates in real-time. This data can be used to control valves, pumps, and other process equipment, ensuring efficient and safe operation. For example, in a chemical processing plant, these sensors might measure the flow of liquids or gases through pipelines, providing feedback for process control and safety interlocks.
- Medical Equipment: In medical ventilation systems, accurate differential pressure measurement is critical for ensuring proper patient ventilation. Sensors with digital interfaces, such as USB, can be integrated into ventilators and respiratory devices to monitor airway pressure and provide feedback to the control system. This ensures that the patient receives the correct volume of air with each breath.
- Research and Development: Differential pressure sensors play a vital role in various research applications, such as aerodynamic testing, fluid dynamics studies, and filter performance evaluation. The ability to connect these sensors to a computer via RS232 or USB allows researchers to acquire and analyze pressure data with precision, facilitating data-driven insights and experimental validation.