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The Siemens S55624-H134 is an RPM.125-SD room condition monitor that measures pressure differential, temperature, and relative humidity for indoor environments. It supervises up to three critical spaces and reports air changes per hour while providing two user-defined parameters. The unit includes a pressure sensor with a ±0.50 in WC (125 Pa) range, supports BACnet communication, and operates at AC 24 V in an IP55 enclosure with pluggable screw terminal connections.
Room condition monitoring with pressure, temperature, humidity sensing and BACnet communication
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