Product Introduction (pdf)

Product Introduction

The KH.QX-3 Integrated Temperature, Humidity, and Atmospheric Pressure Sensor is a high-precision, industrial-grade environmental monitoring device designed for accurate, long-term atmospheric measurement. This compact all-in-one sensor combines temperature, relative humidity, and barometric pressure detection, providing stable and reliable data under dynamic weather conditions.

Featuring RS485 MODBUS RTU communication, rugged ASA engineering plastic housing, and optional wireless monitoring, the KH.QX-3 is ideal for smart agriculture, meteorological stations, transportation safety monitoring, renewable energy sites, and urban environmental observation networks.

Key Features

• High-Precision Sensing
  Provides stable and accurate measurement of temperature, humidity, and atmospheric pressure in outdoor environments.
• Durable Outdoor Construction
  ASA engineering plastic housing ensures UV resistance, corrosion protection, and long-term reliability.
• Zero-Maintenance Design
  No moving parts reduce wear and minimize on-site maintenance requirements.
• Strong Anti-Interference
  Built-in watchdog and automatic reset enable continuous, reliable operation in harsh conditions.
• Flexible Communication Options
  Standard RS485 MODBUS RTU output; optional RS232, USB, or Ethernet interfaces allow seamless system integration.
• Wireless Monitoring Support
  Optional wireless module enables real-time online monitoring with update intervals of ≥1 minute.

Application Scenarios

• Smart agriculture and precision irrigation monitoring

• Meteorological observation and climate data collection

• Road, bridge, and tunnel environmental monitoring

• Wind and solar energy station monitoring

• Marine and coastal environmental observation

• Urban climate and atmospheric pressure monitoring

Technical Specifications