Renesas Electronics RRH47000 CO2 Sensor Module

Renesas Electronics RRH47000 CO2 Sensor Module is a high-accuracy single-channel Non-Dispersive Infrared (NDIR) module for reliable CO2 monitoring. The Renesas Electronics RRH47000 features an integrated humidity and temperature sensor with ±2.5% RH accuracy. Fully calibrated and ready to use, this cost-effective solution eliminates the need for additional compensation components, making it ideal for applications that must meet standards like California’s Title 24, RESET Grade B, WELL, and ASHRAE 62.2. With an integrated MCU for processing and output, the RRH47000 offers a compact, efficient design suitable for various global markets.

The RRH47000 is configurable with a selectable UART or I2C interface and has a compact 40.8mm × 19.7mm × 9.1mm package.

Features

  • Non-Dispersive InfraRed (NDIR), single-channel CO2 detection​
  • 400ppm to 5000ppm measurement range
  • ±30ppm +3% of m.v. high accuracy with long-term stability
  • Automatic Baseline Calibration (ABC)
  • Onboard temperature and relative humidity sensor
  • 0 to 95% RH
  • Wide -10°C to +50°C operation range
  • 4.5V to 5.5V supply voltage
  • Supports I2C and UART ​
  • ≥ 10 years of long lifetime

Applications

  • HVAC systems​
  • Demand-controlled ventilation ​
  • Air purifiers ​
  • Wireless access points​
  • Smart appliances​
  • IoT and IAQ monitors​
  • Industrial building controls​
  • Smart cities and factories

Videos

Block Diagram

Block Diagram - Renesas Electronics RRH47000 CO2 Sensor Module

Functional Overview

Location Circuit - Renesas Electronics RRH47000 CO2 Sensor Module
Published: 2024-11-18 | Updated: 2025-02-06