Description
The Siemens QFM81.2 is a precision duct-mount relative humidity sensor engineered for commercial and light-industrial HVAC applications. Designed to integrate seamlessly with building automation systems, it delivers reliable humidity monitoring across a wide measurement range with a clean, no-display profile ideal for concealed duct installations.
Key Features
- Measurement range of 15–95% RH (relative humidity) for broad environmental coverage
- SPDT (Single-Pole Double-Throw) output signal for straightforward control integration
- Adjustable insertion depth probe — accommodates duct sizes with 5 to 6 inch insertion depth
- Terminal block connection type for fast, secure field wiring
- No display design keeps installation low-profile and cost-effective
- Siemens Building Technology quality construction for long-term reliability
Specifications
- SKU: QFM81.2
- Brand: Siemens Building Technology
- Sensor Type: Duct Relative Humidity (RH) Sensor
- Output Signal: SPDT
- Humidity Range: 15–95% RH
- Probe Insertion Depth: Adjustable, 5–6 inches
- Connection Type: Terminal Block
- Display: None
- Mounting: Duct-mount
Application
The QFM81.2 is well-suited for use in air handling units, VAV systems, and commercial ductwork where accurate humidity sensing is critical to maintaining indoor air quality and HVAC system efficiency. Its adjustable probe depth allows installation in a variety of duct sizes, while the terminal block connection simplifies wiring during commissioning.
Reviews
There are no reviews yet.