Renesas RRH62000 Air Quality Sensor Module with I2C/UART Interfaces and Built-in Processing

The Renesas RRH62000 series is an integrated sensor module that measures air quality parameters like particulate matter (PM), total volatile organic compounds (TVOC), Indoor Air Quality Index (IAQ), estimated CO2 (eCO2), temperature (T), and relative humidity (RH). It gives digital outputs for each sensor, supports simultaneous measurements, and uses built-in correction algorithms to improve accuracy. The module handles internal control and arithmetic processing, reducing the host MCU load and simplifying integration.

The RRH62000 offers selectable I2C or UART interfaces and operating modes based on the required response time and accuracy. The sensors are housed inside the module to prevent dust-related issues, and the airflow channel has a self-cleaning high-speed fan. It uses a six-pin connector for easy plug-and-play.

The RRH62000 is available with the RRH62000-EVK evaluation kit, designed to simplify testing of the sensor module. The kit lets the module measure critical air quality parameters and connect to a Windows PC via USB. It includes a USB cable, an ESCom board, the RRH62000 sensor module, and a Quick Start Guide.

Renesas RRH62000 module and Renesas RRH62000-EVK specifications:

• Renesas RRH62000 specifications: 
  • MCU: Renesas microcontroller
  • Interface: I2C and UART interfaces
  • Sensor:
    • Particulate Matter (PM) sensor:
      • PM1, PM2.5, and PM10 mass concentration outputs
      • laser scattering technology, a mass concentration range of 0 to 1000µg/m³
      • Mass concentration resolution: 1 µg/m³
      • Number concentration range: 0 to 3,000 particles/cm³
    • ZMOD4410: Gas Sensor
      • TVOC measurement range: 160 to 10,000 ppb
      • IAQ measurement range: 1 to 5 IAQ
      • Estimated CO2 (eCO2) range: 400 to 5,000 ppm
    •  HS4003: Humidity and Temperature Sensor
      • Humidity range: 0 to 100% RH
      • Humidity accuracy: ±5 to ±7% RH
      • Temperature range: -40°C to 125°C
      • Temperature accuracy: ±0.4°C to ±0.55°C
  • Other:
    • Lifetime: 64,500 hours (TAmbient = 25°C, 15-65%RH)
    • Acoustic noise: 28 dB(A)
  • Power:
    • Supply voltage: 4.5V to 5.5V
    • Power consumption during measurement: 200mW
    • Active current: 40mA to 60mA
    • Sleep current: 30µA to 50µA
    • Cleaning current: 50mA to 70mA during initial start-up cleaning cycle
  • Dimensions: 46.6 x 34.8 x 12 mm
  • Temperature range: -10°C to 60°C
  • Humidity range: 0 to 90% RH (non-condensing)
  • Siloxane resistant
  • Qualified according to JEITA ED-4701
• Renesas RRH62000-EVK specifications:
  • MCU: Arm Cortex-M33 microcontroller @ 100MHz
  • PMOD connectors:
    • Female PMOD connector for additional I2C sensors
    • Male PMOD connector for Renesas MCU development kits
  • 14-pin connector for connecting the environmental sensor boards to the ESCom communication board
  • USB: Type-C connector for connecting the communication board to the user’s computer
  • Supports evaluation of multiple environmental sensors:
    • ZMOD4410 (TVOC and IAQ)
    • RRH46410 (TVOC and IAQ)
    • ZMOD4510 (O3, NO2, and OAQ)
    • ZMOD4450 (RAQ)
    • HS3001 and HS4001 (RHT)
    • FS3000 (Air Velocity)
    • RRH62000 (PM, TVOC, and RHT)
  • LEDs:
    • Power LED – Blue when power is ON
    • Status LED –  Blue when ESCom is connected, blinks green when communication takes place
  • Power:
    • 5V via USB-C connector for internal power
    • 1.8V to 3.3V supply with external power supply pin

The RRH62000-EVK software, ES-Eval, is a graphical interface for configuring and evaluating the RRH62000 environmental sensor module. It includes sections for measurement control, sensor selection, algorithm configuration, signal analysis, and real-time data visualization. The software automatically checks and installs firmware updates for the ESCom communication board during startup. ES-Eval is available for download from the Renesas website.

The documentation for the kits includes a quick start manual, a list of components (BoM), circuit diagrams, and PCB design files for development and production purposes. All these resources are available on their respective product pages.

Previously, we discussed various air quality sensors, including ScioSense’s ENS161 and ENS160, Sensirion’s SGP41 CMOSens/MOXSens and SGP40 VOC sensor, and Renesas’ ZMOD4510 and ZMOD4410. If you’re interested in learning more about these products, please feel free to explore them.

As of today, major distributors have the RRH62000 board in stock. You can find the RRH62000 module for $38.08 and the RRH62000-EVK for $100 on Mouser.

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