Renesas' relative humidity sensors offer high accuracy and fast measurement response times, enabling customers to improve overall system performance and feedback control. The humidity sensor ICs feature excellent long-term stability as a result of a robust silicon carbide construction and an innovative design, improving useful lifetime and lowering effective cost.

The addition of the hydrophobic membrane, which is IP67 rated, makes the sensor highly resistant to harsh environments. It resists dust and water immersion. The careful design and placement of the membrane does not require special tools to mount the sensor on the application board.

The humidity and temperature sensors include integrated calibration and temperature compensation logic, providing fully corrected RH and T values via a standard I2C output. Renesas' humidity sensor chips are ideal for a wide range of applications, including measurement of water vapor content in medical oxygen, measurement of humidity in appliances such as refrigerators, monitoring the humidity of air in industrial processes, climate control systems (HVAC), weather stations, portable personal health devices, and anything requiring a humidity detector function.

Download: Relative Humidity Sensor Family Overview (PDF | English, 简体中文)
Download: Sensing Technologies and Sensor Solutions Overview (PDF)

About Humidity Sensor ICs (RH Sensors)

At humidity sensor IC (also known as an RH sensor or humidity detector) is a device used to measure relative humidity (RH) within a system, and digitally report that information back to the system. Several factors influence the quality of a humidity sensor, including accuracy, response time, resolution and year-over-year drift. Renesas' humidity sensors feature industry-leading specifications, helping to solve product design challenges and giving customers a competitive advantage.

Featured Humidity Sensor Products

Part Number Description Datasheet Order
HS3101 Relative Humidity and Temperature Sensor with Membrane pdf_icon_for_table.png Buy Now arrow_icon_for_table.png
HS3001 High-Performance Relative Humidity and Temperature Sensor pdf_icon_for_table.png Buy Now arrow_icon_for_table.png
SDAH01 Relative Humidity Sensor Evaluation Kit pdf_icon_for_table.png Buy Now arrow_icon_for_table.png
SDAH02 Portable Relative Humidity and Temperature Sensing System pdf_icon_for_table.png Buy Now arrow_icon_for_table.png

News & Additional Resources

Type Date
It’s a Wearable, it’s a Prosthetic, it’s an IoT Walking Cane Blog Post Feb 8, 2019
Understanding Relative Humidity and Dew Point Blog Post Mar 15, 2018
IDT Introduces Gas Sensor Portfolio Offering Industry-leading Performance and Reliability News Nov 16, 2017
Why Does MOx Make the Difference? Blog Post Nov 14, 2017