SKU: SENS-0750
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Waveshare Environment 6-in-1 Gas Sensor Module - HCHO, TVOC, CO, IAQ, Temp, Humidity, UART

₹5,089.00 (Inclusive of all taxes)
Out of Stock

The Waveshare Environment 6-in-1 Gas Sensor Module integrates solid polymer electrochemical sensors for simultaneous detection of HCHO, TVOC, CO, and IAQ, plus temperature and humidity. It features a UART interface (9600bps) for easy integration with Raspberry Pi, Arduino, and ESP32 platforms for comprehensive indoor air quality analysis.

Features

  • 6-in-1 integrated sensing for HCHO, TVOC, CO, IAQ, temperature, and humidity.
  • Employs advanced solid polymer electrochemical technology for stable, drift-free gas detection.
  • UART serial interface (9600bps) compatible with 3.3V/5V logic microcontrollers.
  • Low power operation at 6.5mA from a 5V supply, suitable for portable and IoT applications.
  • Compact PCB module (23 x 25.5 x 9.5 mm) with pre-soldered 4-pin connector and 200mm cable.

Out of stock

Description

The Waveshare Environment module consolidates multiple environmental sensing elements onto a single compact board. Its core gas detection utilizes solid polymer electrochemical sensors from EC Sense, which are designed to prevent electrolyte leakage and sensor poisoning, ensuring long-term measurement stability and a prolonged operational lifespan. The module provides digital outputs for all parameters via a simple UART command protocol.

This integrated design simplifies system architecture by providing a unified data stream for HCHO (formaldehyde), TVOC (total volatile organic compounds), CO (carbon monoxide), and a calculated IAQ (Indoor Air Quality) index, alongside direct temperature and relative humidity readings. Its wide operating temperature range of -40°C to +55°C and tolerance for low humidity (>15% RH) make it suitable for deployment in diverse and demanding indoor environments.

Key Features

  • Multi-parameter environmental monitoring on a single, compact module.
  • Solid polymer electrochemical sensing core ensures reliable performance without leakage or drift.
  • Digital UART output simplifies interfacing and reduces noise susceptibility compared to analog sensors.
  • Low power consumption design ideal for battery-powered and IoT sensing nodes.
  • Wide operating temperature range supports deployment in challenging environmental conditions.
  • Includes a 200mm 4-pin cable (MX1.25 connector) for immediate prototyping and integration.
  • Comprehensive development resources and example code provided for rapid project implementation.
  • High-value build offering a cost-effective solution for multi-gas monitoring systems.

Applications

  • Indoor Air Quality (IAQ) monitoring systems for smart homes and office buildings.
  • Portable environmental data loggers and personal air quality monitors.
  • HVAC system control and optimization based on real-time pollutant and comfort data.
  • Industrial safety and workplace environmental monitoring for VOCs and CO.
  • Integration into IoT sensor networks for building automation and health & wellness applications.

Technical Specifications

Item TypeGas Sensor Module
Sensing TechnologySolid Polymer Electrochemical
Detected ParametersHCHO, TVOC, CO, IAQ, Temperature, Humidity
Operating Voltage5V
Logic Voltage3.3V
Communication InterfaceUART
Baud Rate9600 bps
Operating Current6.5mA
Resolution0.001 ppm
Operating Temperature-40°C to +55°C
Operating Humidity> 15% RH
Mounting Hole Size2.0 mm
Cable Length200mm
Dimensions (L x W x H)25.5 x 23 x 9.5 mm
Weight3g

Frequently Asked Questions

What is the power supply requirement for this sensor module?

The module requires a 5V DC power supply for the sensor elements, while its communication logic is compatible with 3.3V systems. The typical operating current is 6.5mA, making it suitable for USB-powered or battery-operated applications.

How do I communicate with the module and what is the data format?

Communication is via a UART serial interface at a fixed baud rate of 9600bps. The module uses a simple command-response protocol; you send a specific hexadecimal command to request data, and it returns a packet containing the values for all six measured parameters (HCHO, TVOC, CO, IAQ, temperature, humidity).

Does the sensor require calibration, and what is its lifespan?

The solid polymer electrochemical sensors are factory calibrated. They are designed for long-term stability with minimal drift, but periodic zero-point calibration in clean air is recommended for optimal accuracy over extended use. The sensor's lifespan is typically several years under normal indoor operating conditions.

Can this sensor be used outdoors or in industrial environments?

While its operating temperature range (-40°C to +55°C) is wide, the module is primarily designed for indoor air quality monitoring. Exposure to direct rain, condensation, or high concentrations of corrosive gases should be avoided. For industrial settings, ensure the target gas concentrations are within the sensor's specified detection range.

Package Includes

  • 1 x Waveshare Environment 6-in-1 Gas Sensor Module
  • 1 x MX1.25 4PIN cable (200mm length)

Additional Information

Weight 0.003 kg
Dimensions 2.55 × 2.3 × 0.95 cm