Description
The Siemens QFA3100 is a precision room relative humidity sensor engineered for commercial and light industrial building automation applications. Designed to deliver accurate, real-time humidity data to building management systems (BMS) and HVAC controllers, this sensor provides a reliable 0–10 Vdc analog output signal that scales linearly across the full 0–100% relative humidity (RH) measurement range.
Key Features
- Measures relative humidity across the full 0–100% RH range
- 0–10 Vdc analog output signal for seamless integration with BMS and DDC controllers
- Terminal block connection for fast, secure field wiring
- No display — clean, low-profile design ideal for unobtrusive wall mounting
- Designed for indoor room/space humidity monitoring
- Part of the Siemens Building Technology sensor portfolio
Applications
- Commercial office buildings and multi-tenant facilities
- Schools, hospitals, and healthcare environments
- Hotels, data centers, and controlled-environment spaces
- HVAC zoning and demand-controlled ventilation (DCV) systems
- Building automation and energy management systems
Product Specifications
- SKU: QFA3100
- Brand: Siemens Building Technology
- Measurement Range: 0–100% Relative Humidity (RH)
- Output Signal: 0–10 Vdc analog
- Connection Type: Terminal Block
- Display: None
- Installation Type: Room/Wall Mount
Why Choose the Siemens QFA3100?
Siemens Building Technology sensors are trusted by facilities engineers and HVAC professionals worldwide for their accuracy, durability, and straightforward integration. The QFA3100’s 0–10 Vdc output is compatible with virtually all modern DDC and BMS platforms, making it a versatile choice for new construction and retrofit projects alike. The terminal block connection simplifies installation and reduces wiring time on the job site.
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