Description
The Schneider Electric (Barber Colman) 2232-150 is a pneumatic duct-mount relative humidity transmitter engineered for commercial and industrial HVAC applications. Designed to continuously monitor moisture levels within air distribution ductwork, this transmitter converts relative humidity readings into a precise 3–15 psig pneumatic output signal, making it fully compatible with pneumatic building automation and control systems.
With a full 0 to 100% relative humidity measurement range, the 2232-150 provides accurate, reliable sensing across the complete spectrum of humidity conditions encountered in commercial HVAC environments. Its duct-mount design allows for straightforward installation directly into air handling ductwork, providing representative measurements of supply or return air humidity for use in humidity control loops, economizer strategies, and indoor air quality management.
Key Features
- Pneumatic output signal: 3–15 psig
- Measurement range: 0 to 100% Relative Humidity
- Duct-mount configuration for direct in-duct installation
- Compatible with pneumatic building automation and control systems
- Designed for commercial and industrial HVAC applications
- Supports humidity control loops, economizer strategies, and IAQ monitoring
- Barber Colman legacy product, now part of the Schneider Electric portfolio
Application
The 2232-150 is ideal for use in air handling units, variable air volume (VAV) systems, and other HVAC installations where accurate duct humidity sensing is required. Its pneumatic output integrates seamlessly with existing pneumatic control infrastructure, making it a reliable choice for retrofit and new-construction projects alike.
Product Specifications
- SKU: 2232-150
- Brand: Schneider Electric (Barber Colman)
- Output Signal: 3–15 psig (pneumatic)
- Humidity Range: 0–100% Relative Humidity
- Mounting: Duct-mount
- Application: Commercial / Industrial HVAC







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