Description
The MAMAC Systems HU-224-3-MA is a precision duct-mount relative humidity transducer engineered for demanding commercial and industrial HVAC applications. Delivering a reliable 4-20mA 2-wire analog output signal, this transducer integrates seamlessly with building automation systems (BAS), energy management systems, and direct digital control (DDC) platforms where accurate humidity monitoring is critical to occupant comfort and system efficiency.
Key Features
- 3% accuracy for dependable relative humidity measurement in duct environments
- 4-20mA 2-wire output for long-distance signal transmission with minimal wiring
- 12–40Vdc supply voltage range for broad compatibility with a wide variety of control systems and power supplies
- Duct-mount design for straightforward installation in air handling units, supply ducts, and return air ducts
- Robust construction suitable for commercial HVAC and building automation applications
Application
The HU-224-3-MA is ideal for monitoring relative humidity in ductwork as part of HVAC control strategies including dehumidification, economizer control, and ventilation management. Its wide supply voltage range and industry-standard 4-20mA output make it a versatile choice for new installations and retrofit projects alike.
Specifications
- Brand: MAMAC Systems
- Model: HU-224-3-MA
- Measurement Type: Relative Humidity (Duct)
- Accuracy: ±3%
- Output Signal: 4-20mA, 2-wire
- Supply Voltage: 12–40Vdc
- Mounting: Duct-mount







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