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As climate change continues to exert its influence, elevating temperatures across the globe, the impact of extreme heat is increasingly felt, including in Malaysia, which is warming at twice the global average. Heat stress, a condition arising from the body's struggle to regulate its temperature in the face of prolonged exposure to high temperatures and other factors, is emerging as a significant concern.

Importance of Heat Stress Monitoring

Heat stress monitoring is vital for ensuring the safety and well-being of individuals working in hot environments. Its importance can be summarized as follows:

  1. Health Protection: Continuous monitoring helps identify early signs of heat-related illnesses, allowing for timely intervention. This is crucial for preventing conditions such as heat exhaustion and heat stroke.

  2. Workplace Safety: By tracking environmental conditions and individual responses, organizations can create safer work environments. This includes adjusting work schedules or implementing breaks during extreme heat.

  3. Enhanced Productivity: Monitoring heat stress can help maintain worker performance. Heat can impair cognitive and physical abilities, leading to mistakes and accidents. Keeping heat levels in check helps sustain productivity.

  4. Compliance and Liability: Many industries are subject to regulations regarding worker safety in extreme temperatures. Effective monitoring ensures compliance with these standards, reducing the risk of legal issues.


Kestrel offers a range of products designed to monitor and manage heat stress       effectively, particularly useful for outdoor activities and occupational settings. Here are the key products:


Kestrel Heat Stress Flag Kit 

With this Heat Stress Flag kit, you will have everything you need to correctly convey current WBGT heat stress zones to prevent heat-related illness.

- Includes a 6'4" telescopic flagpole, ground stake, six 2'x3' Heat Stress zone flags (in colors white, green, yellow, orange, red, and black), and a portable travel bag




                                                                                                 
aaa                                                                  Kestrel 3000HS Heat Stress Meter
  • Real-time environmental monitoring keeps you from working past your limits. 
  • From the accurate relative humidity readings, the Kestrel 3000 also calculates dewpoint and heat stress index —important information to know when working or playing outdoors in hot and humid conditions. 
  • Used by NFL trainers to determine how frequently the athletes need to hydrate, and when the conditions are unhealthy for strenuous exercise. 
  • Highly recommended equipment for wildland firefighters—users whose lives literally depend on the accurate weather data their Kestrel 3000 provides.
  • Calculates wind chill. A useful measurement for monitoring athletic teams or workers in cold environments.


Environmental Measures: 

 Dew Point Temperature

 Heat Stress Index

 Relative Humidity

 Temperature

 Wind Chill

 Windspeed/Air Speed

abcKestrel 5400 WBGT Heat Stress Tracker

 

 

     









 

The Kestrel 5400 WBGT Heat Stress Tracker includes the following features:

  1. Multiple Measurements:

    • Measures Wet Bulb Globe Temperature (WBGT), Thermal Work Limit (TWL), heat index, temperature, humidity, and more—totaling 15 different measurements.

  2. Waterless Operation:

    • Calculates Natural Wet Bulb Temperature using onboard digital sensors without requiring water or extensive setup.

  3. High-Resolution Display:

    • Features a large, high-contrast graphic display that is readable in bright sunlight and also has a backlight for low-light conditions.

  4. Portability:

    • Handheld and portable design makes it easy to carry and use in various environments.

  5. Customizable Alerts:

    • Comes with customizable warning flag settings to alert users of unsafe heat conditions.

  6. Data Logging:

    • Includes graphing and measurement statistics, allowing users to track heat stress conditions over time.


Environmental Measures: 

       Altitude (Barometric) 

      Barometric Pressure

      Compass Direction

      Crosswind

      Density Altitude

      Dew Point Temperature

     Globe Temperature

     Headwind/Tailwind

     Heat Stress Index

    Naturally Aspirated Wet Bulb Temperature

     Relative Humidity

     Station Pressure (Absolute Pressure) 

     Temperature

    Thermal Work Limit (TWL)

    Wet Bulb Globe Temperature (WBGT)  

    Wet Bulb Temperature (Psychrometric) 

   Wind Chill

   Wind Direction

   Wind Speed/ Air Speed

Kestrel DROP D2HS Heat Stress Monitor

The Kestrel DROP D2 data logger logs temperature and humidity and sends data wirelessly to the Kestrel LiNK app when within 100 feet.

- Easy to monitor temperature, humidity, heat index, and dew point in any environment. 

- View data on your iOS or Android device via Bluetooth using the free Kestrel LiNK app.

- The logger stores thousands of data points and lasts months on a single battery. You can customize the logging rate and alerts, and access data from multiple DROPs on one device. It works with iPhones from the iPhone 4s and iPads from the 3rd generation, as well as most Android devices with Bluetooth Smart.

Kestrel Heat Stress Monitoring System

An accurate yet simple solution to help leaders and managers identify and mitigate heat stress and heat-related illnesses among workers in any indoor or outdoor job site environment.

  • Complies with OSHA National Emphasis Program for heat stress monitoring.
  • Live remote monitoring to ensure safer conditions and log data to comply with OSHA guidelines
  • Monitor heat stress and log conditions for occupational work sites with audible, text, and email alerts.
  • The Kestrel Heat Stress Pro Meter can be used as stand-alone system.


The Kestrel LiNK app lets you view data from your 5400 Heat Stress Tracker on a tablet or mobile device via Bluetooth. If you're offsite, you can check job site conditions using the Ambient Weather Network (AWN) online or through the AWN app. This allows safety managers to monitor and log job site conditions from anywhere, keeping them aware of potential hazards.

Product from LSI Lastem

sensori-LSI-LASTEM-98Portable Wireless WBGT Meter - Heat Shield

The system provides a quick, reliable, and accurate assessment of heat stress using the Wet Bulb Globe Temperature (WBGT) index, both with and without solar load, adhering to ISO7243 standards. Key features include:

  1. Real-Time Assessments: Continuous monitoring of WBGT Efficiency and Reference values, with immediate verification against limit calculations.
  2. Thermal Comfort Evaluation: Measures PMV (Predicted Mean Vote) and PPD (Predicted Percentage Dissatisfied) indices based on ISO7730.
  3. Temperature Verification: Equipped with a verification probe for temperature accuracy.
  4. Flexible Models: Available as stand-alone (ELR600M / ELR605M) or wireless models (ELR610M / ELR615M) for monitoring at various locations and heights.
  5. Durability: Rated IP54 for protection against dust and water.
  6. Data Management: 8MB memory for extensive data logging, with a battery life of 200 hours (20 hours with radio on).
  7. Automation: Automatic start/stop of measurements.
  8. Software Support: Includes HS Manager for data handling and the ability to export to GIDAS TEA software for further analysis.