Description
Siemens QFA3230.FWSN Room Relative Humidity & Temperature Sensor
The Siemens QFA3230.FWSN is a high-performance wall-mount room sensor designed for building automation and HVAC control applications. It simultaneously measures relative humidity and temperature, delivering accurate, real-time data to your building management system or controller. The selectable output signal makes this sensor exceptionally versatile, allowing field technicians to configure the unit for the specific requirements of virtually any BAS or DDC system.
Key Features
- Measures 0–100% relative humidity (RH) across the full range
- Selectable output signal: 0–10 Vdc or 4–20 mA — configurable in the field
- Integrated temperature sensing via 10kΩ Type II thermistor
- On-board display for local readout of RH and temperature values
- Manual override capability for convenient local adjustment
- Terminal block connection for clean, reliable field wiring
- Wall-mount room enclosure — ideal for occupied spaces
- Designed for seamless integration with Siemens Building Technology BAS platforms and third-party DDC systems
Output Signal Details
- Humidity output: 0–10 Vdc or 4–20 mA (user-selectable)
- Temperature output: 10kΩ Type II thermistor
Wiring & Connection
- Connection type: Terminal block
- Simplifies installation and supports standard low-voltage field wiring practices
Display & Override
- Integrated display provides at-a-glance local readings without additional tools
- Override function allows occupants or technicians to make local adjustments as needed
Typical Applications
- Commercial office buildings and multi-tenant facilities
- Hospitals, schools, and institutional buildings
- Hotels and hospitality environments
- Any application requiring precise room-level humidity and temperature monitoring
The Siemens QFA3230.FWSN is engineered to meet the demands of modern building automation, combining dual-parameter sensing, flexible output options, and a user-friendly display into a single, compact room sensor.
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