The RHP-3O11 is a humidity and temperature transmitter from Dwyer Instruments, designed for outdoor air (OSA) applications in HVAC systems.
The RHP-3O11 is a humidity and temperature transmitter from Dwyer Instruments, designed for outdoor air (OSA) applications in HVAC systems. The RHP-3O11 combines a 3% accuracy relative humidity sensor with a passive temperature sensor, making it ideal for economizer control, psychrometric calculations, and dew point monitoring.
Key Specifications
Feature
Details
Humidity Accuracy
±3% RH
Humidity Output
4–20 mA
Temperature Sensor
Passive RTD or thermistor (model-specific)
Mounting Type
Outside Air (OSA)
Power Supply
24 VAC/VDC
Enclosure Rating
NEMA 4X / IP66 (weatherproof)
Sensor Type
Polymer capacitance (resistant to condensation and contaminants)
Applications
Outdoor air humidity sensing, economizer control, washdown environments
