Setra's SRPM-type indoor pressure monitor is suitable for differential pressure applications with high pressure monitoring and alarm requirements. The SRPM is configured to monitor forward and reverse airflow in protected environments and hospital isolation rooms and complies with CDC regulations. The SRPM is a complete system that includes an easy-to-use backlit RGB LCD with an intuitive graphical user interface for pressure setting, safety, calibration and alarm. The easy-to-use touch screen allows users to navigate through Settings by simply tapping their fingers to access various menus. Red and green leds, local alarms, and a time-delay function to avoid false alarms indicate system status to workers. SRPM also provides an SPDT relay output for remote indication of system status. True differential pressure measurement and display resolution up to 0.001 inch water column. Other features include multiple selectable analog outputs, output and display averages, and door status displays. Is SRPM compatible with Type 869 Micro-Cal? Expert system low voltage and record calibrator, can easily achieve plug - in - spot calibration operation.