Wet Bulb Globe Temperature

“The use of a WBGT (Wet Bulb Globe Thermometer) addresses the action level requirements stated in Honeywell FM&T's heat stress program.”

Monitor Heat Stress with Wet Bulb Globe Temperature

CWS’s WBGT System was developed for the US Coast Guard in Florida to help keep workers safe in extreme heat and humid environments. A key component in this project was the stand-alone Weather Display Console, as the customer did not want to interface the met sensors to an IT network for security reasons.

WBGT System Components

Columbia Weather System’s Wet Bulb Globe Temperature System lists for about US$4,000 and includes:

• – ​Capricorn FLX Control Module
• – Black Globe Temp Sensor - 150 mm diameter hollow copper sphere with a matte black finish with temperature probe (ISO 7243) 
• – Ambient Temp Sensor
• – Relative Humidity Sensor
• – Self-Aspirating Radiation Shield for Ambient Temp and RH sensors
• – Weather Display Console – Custom screen displays WBGT, Wet Bulb Temp, Ambient Temp, Globe Temp, and BP (Additional features include Trend, Min/Max, Alarm)
• – Sensors include 50-feet of cable each
• – Additional sensors such as wind and solar radiation are available for custom configuration

Wet Bulb Globe Temperature (WBGT) is an important calculated parameter to monitor for outdoor exposure in high temperature conditions, such as military or athletic training and utility work. Of special consideration is workers required to wear PPE, such as hazmat responders. Regulatory guidelines advise environmental monitoring with additional rest time and/or fluid intake during significant heat stress exposure.

Learn more about Heat Stress and how to monitor for it with WBGT

Read how Honeywell implemented WBGT monitoring to prevent heat stress

References

Korey Stringer Institute, University of Connecticut: https://ksi.uconn.edu/prevention/wet-bulb-globe-te...

Iowa State University, Occupational Health & Safety, Heat Stress: https://www.ehs.iastate.edu/services/occupational/...

National Weather Service, Wet Bulb Globe Temperature: https://www.weather.gov/tsa/wbgt