RHPLC-3N22 – High-Precision Temperature & Humidity Sensor by Dwyer for HVAC Systems
Posted on: 24/09/2025
In HVAC systems (Heating, Ventilation, and Air Conditioning), temperature and humidity sensors play a critical role in maintaining a stable environment, saving energy, and ensuring user health. One of the most reliable and widely trusted sensor models by engineers is the RHPLC-3N22 from Dwyer – a leading sensor brand from the USA.
If you're looking for a device that is accurate, durable, easy to install, and widely used in modern HVAC projects, the RHPLC-3N22 is a solution you shouldn't overlook.
What is RHPLC-3N22?
RHPLC-3N22 is part of Dwyer’s line of temperature and humidity sensors – a globally recognized brand in the field of measurement and control. This sensor is designed to:
-
Measure ambient temperature
-
Accurately measure relative humidity
-
Transmit data to BMS/HVAC systems for temperature, humidity, and airflow control
What makes the RHPLC-3N22 stand out is its use of advanced sensing technology, delivering high accuracy, low drift, and stable long-term performance.

Key Features of the RHPLC-3N22 Sensor
High Accuracy
Minimal error ensures reliable data output
Optimizes HVAC operation, reducing energy waste
Compact Design – Easy Installation
Suitable for various electrical cabinets and duct systems
Quick setup saves on installation costs
Modern Sensor Technology
Uses low-drift humidity sensor element
Excellent resistance to dust and electromagnetic interference
Compatible with BMS/HVAC Systems
Seamless integration with central controllers
Meets the requirements of smart building management
Stable Operation & Long Lifespan
Built with high-quality materials suitable for continuous operation environments
Low maintenance requirements help cut operating costs
Practical Applications of RHPLC-3N22 in HVAC Systems
The RHPLC-3N22 is used across a wide range of both residential and industrial projects:
-
Office buildings, shopping malls: Maintain comfortable indoor environments
-
Hospitals, laboratories: Ensure high measurement accuracy for health and safety
-
Factories, cold storage: Maintain specific temperature/humidity to protect product quality
-
Hotels, resorts: Provide comfort and optimize energy use
Thanks to its precise measurement capabilities, the RHPLC-3N22 helps HVAC systems operate smoothly, save energy, and extend equipment life.

Benefits of Using the RHPLC-3N22 Sensor
-
Energy Cost Optimization: Accurate data helps prevent HVAC overuse
-
Health Protection: Maintains air that is neither too humid nor too dry
-
Lower Maintenance Costs: High durability and fewer breakdowns
-
International Standards Compliance: Manufactured by Dwyer – a trusted U.S. brand
Why Buy the RHPLC-3N22 from DLK?
While there are many sensor suppliers for HVAC in Vietnam, DLK stands out as a reliable partner because:
-
Official Distributor of Dwyer: Guaranteed genuine products meeting international standards
-
In-depth Technical Consulting: Experienced engineers well-versed in BMS/HVAC systems
-
Comprehensive Solutions: Not just product sales, but also consultation, deployment, and technical support
-
Reliable Warranty Service: Long-term after-sales commitment
Conclusion
The RHPLC-3N22 temperature and humidity sensor by Dwyer is the ideal solution for modern HVAC systems. With high accuracy, outstanding durability, and easy integration, it’s a preferred choice for many high-end projects.
If you’re looking for a genuine Dwyer sensor for your HVAC system, contact DLK for detailed consultation and the best pricing.