Description
The Dwyer RHPX-3SDAB-00 is a precision relative humidity transmitter engineered for demanding HVAC and building automation system (BAS) applications. Delivering a ±3% RH accuracy rating, this transmitter provides reliable, real-time humidity monitoring to support efficient climate control, energy management, and indoor air quality programs. Its dual-output design — combining a 4-20mA analog signal with a 10KΩ thermistor output — makes it highly versatile and compatible with a wide range of building automation controllers and DDC systems.
Key Features
- ±3% RH accuracy for dependable humidity sensing in commercial and industrial HVAC environments
- Dual output: 4-20mA analog signal and 10KΩ thermistor for maximum controller compatibility
- Designed for integration with building automation systems (BAS) and direct digital control (DDC) platforms
- Compact, professional-grade housing suitable for duct or wall-mount installation
- Part of Dwyer’s trusted RHPX Series of humidity and temperature transmitters
- Ideal for air handling units, VAV systems, and commercial HVAC monitoring
Applications
- Commercial HVAC humidity monitoring and control
- Building automation and energy management systems
- Air handling units and variable air volume (VAV) systems
- Indoor air quality (IAQ) monitoring
- Clean rooms and critical environment control
Why Choose Dwyer
Dwyer Instruments has been a trusted name in sensing and instrumentation for decades, providing HVAC professionals and building automation engineers with accurate, durable, and easy-to-install products. The RHPX Series transmitters are built to deliver long-term performance and measurement stability in real-world HVAC installations.







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