Technical Specifications
Warranty Information
All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.
All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.
7Semi RS485 Modbus RTU Air Quality Sensor with Temperature, Humidity and Pressure, Gas Resistance Monitoring
This industrial air quality module provides continuous measurement of temperature humidity atmospheric pressure and gas resistance for IAQ assessment using a rugged RS485 Modbus RTU interface. Its sealed probe design ensures stable performance in dusty humid and demanding field conditions while maintaining accurate readings for long term monitoring. The wide operating voltage range and built in processing make it suitable for SCADA systems PLCs IoT gateways and data logging equipment.
The device includes a two meter cable for flexible mounting and supports software configuration for Modbus address and baud rate. With fast response characteristics and low drift it fits applications such as HVAC control indoor air quality analysis smart agriculture industrial safety automation weather stations and environmental sensing deployments where dependable multi parameter data is required.
Features
Multi parameter sensing Measures temperature humidity pressure and gas resistance for IAQ evaluation
RS485 Modbus RTU Stable long distance communication for industrial systems
Industrial grade design Sealed probe with reliable field performance
Wide voltage input Supports 9V to 36V power supply
Fast response Low latency sampling for dynamic environments
Flexible configuration Software setting for Modbus device ID and baud rate
Easy wiring Four wire interface for VCC GND RS485 A and RS485 B
Broad compatibility Works with PLCs SCADA HMIs IoT controllers and microcontrollers

