SRV Installation AB is a manufacturer of HVAC systems and has designed a system with an expansion vessel and pressure holding pump, the system keeps the operating pressure in heating and cooling systems at a steady level. The system is equipped with pressure transmitters for monitoring of the operating pressure and level in the expansion vessel.
An ECT pressure transmitter is mounted in the bottom of the expansion vessel for level measurement, ECT is suited for low pressure measuring and can detect small changes in level. With ceramic sensor is ECT compatible with most corrosive media.
An EPI pressure transmitter is used for operating pressure, EPI have excellent long-term stability and high pressure resilience. EPI has a stainless-steel sensors well suited for water.