Description
The Siemens QFM3100 is a professional-grade duct-mount relative humidity sensor engineered for building automation and HVAC control applications. Delivering a clean 0–10 Vdc analog output signal, it provides accurate, continuous monitoring of relative humidity across the full 0–100% RH range — making it suitable for a wide variety of commercial and industrial duct environments.
Adjustable Insertion Depth
The QFM3100 features an adjustable probe that can be set anywhere from 3.5 to 8 inches in insertion depth, allowing the sensor to be precisely positioned within the duct for optimal airstream sampling. This flexibility simplifies installation across varying duct sizes and configurations without requiring additional hardware.
Key Features
- Output Signal: 0–10 Vdc analog
- Measurement Range: 0–100% Relative Humidity (RH)
- Adjustable Probe Insertion Depth: 3.5 to 8 inches
- Connection Type: Terminal block for reliable, secure field wiring
- No display — clean, low-profile design ideal for concealed duct installations
- Duct-mount configuration for direct in-duct humidity sensing
- Designed for building automation system (BAS) integration
Application
The QFM3100 is ideal for use in commercial HVAC systems where precise duct humidity monitoring is required. The 0–10 Vdc output interfaces seamlessly with most building automation controllers, DDC systems, and energy management platforms. The terminal block connection ensures a clean, code-compliant wiring installation.
Why Choose Siemens QFM3100
Siemens Building Technologies is a globally recognized leader in building automation and HVAC controls. The QFM3100 reflects that heritage — delivering reliable humidity measurement, straightforward installation, and long-term performance in demanding commercial environments.
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