RS485 Temperature And Humidity Sensor, Temperature & Humidity Sensor

Обзор

Stable RS485 communication up to 1,200 m for long-distance industrial monitoring
Modbus RTU protocol for seamless PLC, HMI, and SCADA integration
±15KV ESD protection and built-in TVS diodes for strong anti-interference performance
High-precision sensing with ±0.3 °C temperature and ±3 % RH humidity accuracy
Supports up to 254 devices on one RS485 bus to reduce wiring costs
Rugged IP65 enclosure for harsh factory and greenhouse environments
Ultra-low annual drift < 0.1 °C for long-term stability and reduced maintenance
Wide 9–30 V DC power input compatible with standard 24 V industrial systems
Fast response time with data refresh < 2 seconds
Reliable operation in extreme temperatures from –40 °C to +80 °C

Industrial RS485 Temperature & Humidity Sensor – Modbus RTU – IP65 Waterproof for Greenhouse Warehouse HVAC

Product Description

The RS485 Temperature & Humidity Sensor is engineered for industrial IoT applications, featuring Modbus RTU protocol for reliable long-distance multi-device communication. It directly addresses key pain points for Google independent site users, such as inaccurate data in harsh environments, complex installations, and poor compatibility.

This sensor uses high-precision imported chips with a temperature range of -40°C to +125°C and humidity 0-100% RH, offering IP-rated waterproofing and dustproofing for smart agriculture, warehouse monitoring, and HVAC systems.

Why Choose Our RS485 Temperature & Humidity Sensor

Unstable Wireless Signals in Industrial Sites

RS485 wired communication eliminates signal dropouts caused by metal structures, EMI, or thick walls.

Long-Distance Monitoring Requirements

Supports transmission distance up to 1200 meters without repeaters.

PLC / BMS Integration Issues

Fully compatible with Modbus RTU protocol for seamless integration with industrial controllers.

High Maintenance Costs

No batteries required — ideal for 24/7 continuous operation.

Harsh Industrial Environments

Optional IP65/IP67 enclosure protects against dust, moisture, and condensation.

Multi-Point Monitoring Complexity

Multiple sensors can be connected in one RS485 bus network, reducing wiring complexity.

RS485 Temperature & Humidity Sensor Specifications

Parameter	Specification
Sensor Type	Digital Temperature & Humidity Sensor
Communication	RS485
Protocol	Modbus RTU
Humidity Range	0–100 % RH
Humidity Accuracy	±2 % RH (typical)
Temperature Range	–40 °C to +80 °C
Temperature Accuracy	±0.3 °C (typical)
Resolution	0.1 °C / 0.1 % RH
Transmission Distance	Up to 1200 m
Baud Rate	2400–115200 bps (configurable)
Power Supply	9–30 V DC
Protection Level	IP65 (optional IP67)
Operating Environment	–40 °C to +85 °C
Installation	Wall Mount / Duct Mount
Output	Temperature & Humidity Data via Modbus Registers
Certification	CE, RoHS

Типовые применения

Промышленная автоматизация

Factory environmental monitoring
Equipment room climate control
Production line humidity management

HVAC & Building Automation

Air handling units (AHU)
Duct temperature and humidity monitoring
Smart building management systems

Agriculture & Greenhouses

Precise humidity control
Crop protection
Irrigation optimization

Warehousing & Logistics

Cold storage monitoring
Pharmaceutical compliance
Food safety storage environments

Data Centers

Rack-level humidity monitoring
Server room environmental control

Сопутствующие товары

WiFi Temperature and Humidity Sensor

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