Overview

Description

The HS4012 is a highly accurate, ultra-low power, fully calibrated relative humidity and temperature sensor with a hydrophobic membrane. The MEMS sensor features a proprietary sensor-level protection ensuring high reliability and long-term stability. The HS4012 is fully calibrated and temperature compensated with an I2C digital output.

Features

  • Humidity range: 0% to 100%RH
  • RH accuracy: ±1.8%RH, typical 
  • Hydrophobic membrane, IP67 rated
  • I2C digital output
  • 14-bit resolution 
  • Fast RH response time: 4 seconds, typical
  • Temperature sensor accuracy: ±0.2°C, typical (-10°C to +80°C)
  • Low current consumption: 0.3µA average (8-bit resolution, 3.3V supply), 0.62µA average (14-bit resolution, 3.3V supply), one RH and temperature measurement per second
  • Excellent stability against aging

Comparison

Applications

Documentation

Type Title Date
Datasheet PDF 1.06 MB
End Of Life Notice PDF 1.43 MB
Application Note PDF 131 KB
Overview PDF 600 KB 日本語
4 items

Design & Development

Boards & Kits

Models

Videos & Training

HS4xxx Relative Humidity Sensors Overview

Learn about Renesas’ HS4XXX family of relative humidity and temperature sensors provide high accuracy, fast measurement response time, and ultra-low power consumption in a small package size, making them ideal for a wide number of applications ranging from portable devices to products designed for harsh environments