Introduction: The Hidden Danger of Heat Stress
Occupational heat stress is a pervasive and insidious threat, leading to decreased productivity, severe illness, and even fatalities. When evaluating environmental risks, relying on standard temperature readings is dangerously insufficient, as a simple thermometer cannot account for the full thermal load placed on the human body.
This is where Wet Bulb Globe Temperature (WBGT) becomes the essential metric for occupational safety. It provides the true “real-feel temperature” by integrating ambient temperature, humidity, wind speed, and, most critically, radiant heat from sources like the sun or machinery. The HD-WBGT-01 is a comprehensive system engineered specifically to monitor these critical conditions, providing the data needed to protect your workforce from heat-related illnesses.
1. Deconstructing the Complete Monitoring System
The HD-WBGT-01 is an integrated solution composed of several key components that work in concert to provide real-time environmental data and alerts.
WBGT Sensor (Black Globe): The core sensing unit, featuring an industrial-grade matte black coating on a metal sphere to ensure maximum absorption and accurate measurement of radiant heat, a primary contributor to the ‘real-feel’ thermal load.
Weather Sensor: Captures key atmospheric data including dry-bulb temperature, wet-bulb temperature, and atmospheric humidity to provide a complete environmental profile.
LED Datalogger System: The central processing unit, housed in a protective enclosure, that manages data from all sensors and triggers alarms based on user-defined thresholds.
Large LED Display: Provides immediate, high-visibility WBGT readings that can be seen from a distance, ensuring all personnel are aware of the current risk level.
Sound and Light Alarm: Delivers clear, multi-level audiovisual alerts when conditions become hazardous, cutting through the noise of an active worksite.
2. Core Features & Technical Excellence
At its core, the system relies on high-stability, imported temperature measuring elements to guarantee measurement precision and long-term reliability. Engineered for low power consumption and stable performance, the system offers flexibility with customizable black ball diameters (Ф50mm, Ф100mm, or Ф150mm) to optimize measurement accuracy based on the specific radiant heat environment and monitoring application.
Technical Specifications

3. Application in Action: A Construction Site Case Study
In the harsh, dust-filled environment of an active construction site—where conditions can change rapidly—the HD-WBGT-01 provides an indispensable, always-on safety sentinel. Its robust design is proven to withstand the rigors of demanding outdoor deployments.
The high-visibility LED display, showing a clear WBGT of 29.3°C in site photos, instantly communicates the current risk level without ambiguity, allowing supervisors to implement work/rest protocols proactively. Feedback from the deployment confirmed its field-ready performance, with the user noting the system was “Working Good “.
4. Seamless Integration for System Integrators
From an integration standpoint, the HD-WBGT-01 sensor system is designed for straightforward implementation into existing infrastructure. The sensor outputs RS485 digital signals and utilizes the standard MODBUS-RTU communication protocol. This widely adopted protocol allows for easy and reliable integration into larger industrial control systems, SCADA platforms, or building management systems, enabling centralized data logging, trend analysis, and automated control.
5. Proper Care and Maintenance
To ensure accurate readings and long-lasting performance, follow these key maintenance procedures:
Maintain Surface Integrity: The black globe’s surface must be kept free of dust and contaminants, as any buildup will compromise the sensor’s absorption rate and corrupt measurement data.
Gentle Cleaning Only: Use a moderately powerful balloon or a soft brush for cleaning the sensor surface.
Prohibited Substances: Strictly avoid using alcohol or any acid-base liquids to clean the black body, as this can cause irreversible damage to the coating.
Do Not Disassemble: Do not disassemble the product without authorization, as this will affect the product’s warranty and after-sales service.
Secure Storage: When not in use, store the sensor in a sealed, anti-knock, and dust-proof package to protect its sensitive components.
Conclusion: A Proactive Approach to Worker Safety
The HD-WBGT-01 system offers a robust and reliable solution for managing occupational heat stress. By providing accurate, real-time WBGT data and delivering clear alerts through its integrated alarm and high-visibility display, it empowers organizations to make informed, data-driven safety decisions. Its robust design is proven to withstand demanding environments like construction sites. Ultimately, deploying the HD-WBGT-01 system is a definitive move from reactive incident response to proactive, data-driven safety management, safeguarding both your workforce and your operational integrity.
Tags: LoRaWAN data acquisition system | Heat Stress Monitor Wet Bulb Globe Temperature WBGT
For more smart sensor information, please contact Honde Technology Co., LTD.
WhatsApp: +86-15210548582
Email: info@hondetech.com
Company website: www.hondetechco.com
Post time: Jan-14-2026
