The SRPM is Setra's standard single room BACnet capable room pressure monitor for measuring low differential pressure in critical applications. The SRPM's backlit touchscreen LCD provides an intuitive graphic user interface for ease of setup. The SRPM has a built-in calibration feature and only requires zeroing when installed, significantly reducing the cost of ownership. The SRPM monitors and alarms while providing a digital input for a door alarm. The SRPM is a simple, cost-effective solution which combines state-of-the-art electronics with Setra's superior true differential pressure sensing technology to ensure safety in critical environments. The SRPM also incorporates two-level password protection.