TSI Quest QUESTEMP QT3X Natural Wet Bulb Heat Stress Monitors

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TSI QUESTemp 32/34/36 area heat stress monitors use wet bulb globel temperature (WBGT) and integral rH sensors to quicly and accurately evaluate potential heat stress environments. =

Heat stroke, exhaustion, cramps, collapse, rashes and fatigue are all forms of heat-induced disorders that are either serious health risks themselves or can lead to serious compromises in safety. These risks can be diminished or prevented by implementing an effective heat stress program.

TSI Quest's portable heat stress monitors incorporate wet-bulb globe temperature (WBGT) sensing technology. These portable instruments calculate and display a WBGT Index value that considers the affects of ambient air temperature, humidity, air flow (which provides an evaporative cooling effect to the body) and radiant heat from sources such as the sun, furnaces, ovens, and boilers.

The QUESTemp 32 Area Heat Stress Monitor replaces the WIBGET™ WB-300 Heat Stress Monitor.

  • Heat stress monitor with an integral RH sensor for quick, accurate indoor or outdoor WBGT index values
  • Optimizes safe work time with real-time guidance on work/rest regimens
  • Meets ISO requirement for head, torso, and ankle measurements
  • Measurements up to 200 feet (60m)
  • 150-hour Alkaline battery, 300-hour rechargeable, or AC power adapter
  • QUESTemp 34 and 36 have datalogging function, and are compatible with TSI Quest software for data storage, retrieval, analysis, reporting and charting
  • QUESTemp 36 features multiparameter sensor for accumulations of temperature, humidity and air velocity data needed to calculate a variety of thermal comfort indices
Measurement Parameters QT°32 QT°34 QT°36
Dry bulb, wet bulb and globe temperatures
Air Velocity    


WBGT (indoor index)
WBGT (outdoor index)
Heat index / HUMIDEX
Temperature reading: Celsius or Fahrenheit
Data logging intervals: 1, 2, 5, 10, 15, 30 or 60 minutes  
Time & date stamping with clock and calendar  
Displayed stay times: ACGIH TLV, U.S. Navy PHEL charts, U.S. Navy/Marine Corp. Ashore Flag Conditions, EPRI action limits (QT°48N excludes EPRI)    
Head-Torso-Ankle Weighted Average WBGT (optional with tri-sensors) optional optional optional
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