Pressure

Pressure is defined as force per unit area that a fluid exerts on its surroundings. The SI unit for pressure is Pascal (N/m²), but other units such as psi, atmospheres or bars are also common.

 

There are three methods for measuring pressure; Absolute, Gauge and Differential. Absolute pressure is referencing vacuum, while gauge and differential pressure are relative to another pressure such as ambient atmospheric or the pressure somewhere else in the system.

 

Common applications for pressure metering with the ezeio are:

  • HVAC systems – monitoring differential pressure in ducts and ventilated spaces.

  • Pump systems – keeping track of performance and alerting for blockage or failing equipment.

  • Tank level monitoring – monitoring fluid levels and warning for under/overflow.

 

Most pressure sensors with electrical interfaces will provide a current, voltage or resistance that is relative to the measured pressure. Selecting the correct sensor will depend on the type of media (fluid/gas), pressure levels and physical form factor.

Measuring pressure with the ezeio system

Many types of pressure sensors exist with outputs suitable for the ezeio system. The ezeio can be used to alert when the pressure is too low/too high, or to control pressure by turning on fans, pumps or open vents.

The ezeio is ideal for monitoring and logging pressure as it changes over time. All data is made available both in real time and historically over the Internet, and the system can generate graphical reports and send them via email.

 

Contact us to discuss your application.

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