RJ45 Modbus Temperature and Humidity Sensor

Features

Intuitive Real-Time Display

The sensor boasts a clear, easy-to-read display that shows current temperature and humidity levels at a glance. This intuitive interface eliminates the need for complex software or additional tools to view critical environmental data, allowing on-site personnel to quickly assess conditions without technical expertise. The display is optimized for readability in various lighting conditions, ensuring visibility even in dimly lit server rooms or industrial spaces.

High Measurement Precision

Engineered with advanced sensing technology, the RJ45 Temperature and Humidity Sensor delivers consistent, reliable readings even in dynamic indoor environments where conditions fluctuate. Its precision ensures that businesses can make informed decisions about environmental control, preventing damage to equipment, products, or materials caused by extreme temperatures or humidity levels.

Dual RJ45 Ports for Simplified Cabling

Featuring two dedicated RJ45 ports, the sensor streamlines both power supply and communication cabling. This innovative design reduces installation time and complexity, allowing for neat, organized wiring that minimizes the risk of connection issues or signal interference. The use of standard RJ45 connectors also means compatibility with readily available cabling, lowering procurement costs.

Seamless Third-Party Integration

Thanks to its RS485 interface and compliance with the Modbus-RTU protocol, the sensor can easily integrate with third-party remote monitoring systems, building management platforms, or industrial control systems. This flexibility makes it a versatile solution for businesses looking to expand their existing monitoring infrastructure or consolidate data from multiple devices into a single dashboard.

Low Power Consumption

Optimized for energy efficiency, the sensor operates with minimal power usage, making it suitable for long-term deployment in areas where power access is limited or energy conservation is a priority. Its low power design not only reduces operational costs but also extends the lifespan of connected power sources, minimizing maintenance requirements and downtime.

Technical Parameters

Power Supply Configuration

The sensor is powered by a standard DC power source, designed to be compatible with common industrial power systems and power-over-Ethernet (PoE) setups where applicable. Its power management system ensures stable operation while minimizing energy consumption, balancing performance with efficiency.

Communication Specifications

Equipped with a robust RS485 interface and supporting the Modbus-RTU protocol, the sensor enables reliable data transmission over long distances—ideal for large facilities or buildings with distributed monitoring points. It offers flexible baud rate options to match the requirements of different monitoring systems, ensuring seamless communication without signal loss.

Display Functionality

The integrated display provides real-time visibility of temperature and humidity readings, with a user-friendly design that includes clear labeling and adjustable brightness (where applicable). The display is designed to be durable, with a scratch-resistant surface that withstands regular use in industrial environments.

Physical Design

Featuring a compact, rugged housing, the sensor is built to withstand the rigors of industrial and commercial environments. Its dimensions are optimized for easy installation in tight spaces, such as server racks, control panels, or wall-mounted enclosures, without obstructing other equipment.

Environmental Resilience

Designed to operate in a wide range of indoor conditions, the sensor adapts to varying temperature and humidity levels without compromising performance. Its sealed components and dust-resistant housing protect against common environmental contaminants, ensuring long-term reliability in challenging spaces like warehouses or manufacturing facilities.

Applications

Server Rooms and Data Centers

Critical for maintaining optimal temperature and humidity in server rooms and data centers, where even minor environmental fluctuations can damage sensitive IT equipment. The RJ45 Temperature and Humidity Sensor provides real-time data to trigger HVAC adjustments or alarms, preventing overheating, moisture buildup, or static electricity that could disrupt operations.

Warehouses and Storage Facilities

Ideal for monitoring the environment in warehouses storing temperature or humidity-sensitive goods, such as electronics, pharmaceuticals, food products, or raw materials. It helps maintain conditions that preserve product quality, extend shelf life, and ensure compliance with industry storage standards.

Industrial Workshops

In manufacturing facilities and industrial workshops, the sensor monitors environmental conditions to ensure worker comfort and protect equipment from damage caused by extreme temperatures or excessive humidity. It can integrate with production control systems to pause operations or adjust processes if conditions fall outside safe parameters.

Office Buildings and Commercial Spaces

Used to maintain comfortable indoor conditions for employees, customers, or tenants in office buildings, shopping malls, hotels, and other commercial spaces. The sensor integrates with building management systems (BMS) to regulate HVAC systems efficiently, reducing energy waste while enhancing occupant satisfaction.

Laboratories and Medical Facilities

Laboratories, clinics, and medical facilities require precise environmental control to ensure the accuracy of experiments, the safety of stored medications, or the functionality of sensitive medical equipment. This temperature and humidity transmitter delivers the precision and reliability needed for these critical applications, supporting compliance with regulatory standards.

FAQ

Does the SPD-HT485-RJ sensor include RJ45 connection ports?

Yes, the sensor is equipped with two dedicated RJ45 ports—one for power supply and one for communication—simplifying cabling and ensuring compatibility with standard network infrastructure.

Can this sensor integrate with my existing building management system (BMS)?

As long as your BMS supports the Modbus-RTU protocol, the sensor can seamlessly integrate. We provide detailed Modbus-RTU protocol documentation and technical support to assist with setup, ensuring a smooth integration process.

Is the sensor’s display visible in low-light environments?

Yes, the display is designed with readability in mind, featuring high-contrast elements that remain visible even in dimly lit spaces like server rooms or basements. Some models offer adjustable brightness for further customization.

What is the installation process like for this sensor?

The sensor features a user-friendly installation design, with RJ45 ports that simplify wiring and mounting hardware compatible with standard surfaces. No specialized tools or technical expertise are required—most installations can be completed in minutes.