Overview
Description
The HS3104 is a highly accurate, fully calibrated relative humidity and temperature sensor. The MEMS sensor features a proprietary sensor-level protection ensuring high reliability and long-term stability. The hydrophobic membrane covering the lid inlet port prevents particles and liquids from entering the sensor and compromising the performance.
Features
- RH accuracy: ±3.5%RH, typical (20 to 80%RH, 25°C)
- Hydrophobic membrane, IP67 rating
- 14-bit resolution: 0.01%RH, typical
- Fast RH response time: 4 seconds, typical
- Temperature sensor accuracy: ±0.3°C, typical (0 to +70°C)
- Low current consumption: 1.0µA average (8-bit resolution, 1.8V supply), 24.4µA average (14-bit resolution, 3.3V supply), one RH and temperature measurement per second
- Excellent stability against aging
- Very low power consumption
Comparison
Applications
Documentation
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Type | Title | Date |
Datasheet | PDF 592 KB | |
Application Note | PDF 1.81 MB | |
Application Note | PDF 131 KB | |
End Of Life Notice | PDF 1.07 MB | |
Overview | PDF 600 KB 日本語 | |
Product Change Notice | PDF 99 KB | |
6 items
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Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

Videos & Training
A brief introduction to Renesas’ relative humidity sensors that offer high accuracy and fast measurement response times, enabling customers to improve overall system performance and feedback control. The humidity sensors 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.
News & Blog Posts
IDT Unveils Wireless Sensor Hub Evaluation Kit for IoT, Smart Home and Other Applications Requiring Real-Time Sensor Data | News | Jan 10, 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 15, 2017 |