Air Quality Sensor Module, CO2/TVOC/PM2.5/Temp, RS485

Air Quality Sensor Module, CO2/TVOC/PM2.5/Temp, RS485

Low cost air quality sensor module accurately monitors CO2, CH2O, TVOC, PM2.5, PM10, Temperature, and Humidity parameters. Precision sensors deliver reliable data with high resolution. RS485 interface provides stable output for system integration. Low power consumption and wide measurement ranges ensure versatile usage.

SKU: CCHN-AQS-M701485

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Delivery date: 6-25 days

Overview

TVOC/PM2.5 air quality sensor module with RS485 output detects volatile organic compounds and fine particles efficiently. Optimized for real-time air quality assessment with specific accuracy ratings. Suitable for indoor environment monitoring within 0°C to 50°C.

Specification

Model	CCHN-M701-485
Category	Resolution	Range	Accuracy
CO2	1ppm	400ppm～5000ppm	±3%+50PPM or±10%
CH2O	1µg/m³	0µg～2000µg/m³	±10%
TVOC	1µg/m³	0µg~2000µg/m³	±25%
PM2.5	1µg/m³	0µg/m3～999µg/m³	±10% or ±10
PM10	1µg/m³	0µg/m3～1000µg/m³	±10% or ±10
Temperature	0.01°C	-40°C～100°C	±1°C
Humidity	0.0004	0～100%	±3%RH
Physical Interface	XH2.54 Female connection plug
Output Data	RS485
Working Voltage	5.0±0.2VDC
Working Current	≤500mA (CO2 transient requires 300 mA)
Preheating Time	2 minutes (Only TVOC needs preheating, other parameters will be displayed upon power on)
Working Temperature	0°C～50°C
Working Humidity	≤95％RH
External Dimensions	716216mm (L×W×H)

Features

Multi-parameter monitoring: Simultaneously measures seven data types, including temperature and humidity.
Real-time tracking: This real-time air quality sensor module provides comprehensive environmental detection.
Auto calibration function: Features 24-hour self-calibration for sustained measurement accuracy.
Stable operation: This indoor air quality sensor module delivers reliable performance for user convenience.
Flexible application: Supports multiple uses without installation restrictions.

Dimension

Air quality sensor module dimension

Details

Air quality sensor module details

Application

Air quality sensor module application

Tips: How should the air quality sensor module be installed in air purifiers?

For proper installation in air purifiers, this air quality sensor module must be placed in an isolated compartment separate from the main purifier air duct, while maintaining complete airflow separation between intake and exhaust vents to prevent measurement interference.