QUESTemp 36 Heat Stress Meter

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Item #: QT-36
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QUESTemp 36 Heat Stress Meter

The datalogging QUESTemp 36 is the premier monitor within the QUESTemp Series of Thermal Environment Monitors. The QUESTemp 36 further simplifies heat stress management efforts by providing users with realtime guidance on stay times and work/rest regimens. Guidance is based on screening criteria for heat stress as defined in the ACGIH TLV Handbook,U.S. Navy PHEL Charts and EPRI Action Limits. The QUESTemp 36 eliminates the need to carry paper charts, pocket guides and look-up tables into the field. An optional detachable probe for measuring air velocity extends the applications for the QUESTemp 36 beyond traditional heat stress measurements. The QUESTemp 36 can be used as an indoor thermal comfort monitor using the air velocity probe, temperature and RH sensor readings simultaneously. Other applications include verification of air flow in fume hoods or rooms normally requiring a minimum amount of air flow to be safe for occupancy.


Input: RTD Temperature Sensor,Capacitive Polymer Relative Humidity Sensor,Hot Wire Air Velocity Sensor.

Measurement Ranges: Temperature: -5 to 100C (23 to 212F), Relative Humidity: 0 to 100%, Air Velocity: 0 to 20 m/s.

Accuracies: Temperature: +/- 0.5C (0.9F), Relative Humidity: +/- 5%, Air Velocity: +/- 5%.

Parameters: Celsius and Fahrenheit Scales; Multiple Language Support; Includes Clock/Calendar; 1,2,5,10,15,30 or 60 min Datalogging Intervals; Computes Heat Index/Humidex;Includes Air Flow; Measurement Channel.

Output: RS-232 Serial Computer/Printer Interface, Parallel Printer Interface.

Independently Certified Standards: Temperature Code T3 & European Standards for EEX ia IIC, T3. Electromagnetic Conformance: CE Mark.

Power: 9V Disposable Batteries (150 Hrs.); NiMH Rechargeable Battery Option (300 Hrs.); AC Power Adapter.

Case Size (Aluminum): 9.2 x 7.2 x 3" (23.5 x 18.3 x 7.5 mm).

Weight: 2.6 lbs (1.2 kg)

Configuration Options:

  • (1) Sensor Bar Assembly: (1) sensor bar containing a Wet Bulb (WB), Dry Bulb (DB), Globe Temperature (GT) & Humidity (%RH) sensors.
  • (3) Sensor Bar Assembly: (3) sensor bars each containing a WB, DB, GT & %RH sensor, tripod with brackets & rods, and (2) 6 ft. extension cables for mounting sensor bars & monitor for head, torso & ankle measurements. All assembly components are packaged in a separate storage case.
  • 2" Globe Sensor(s): Each sensor bar contains a globe sensor 2" in diameter.
  • 6" Globe Sensor(s): Each sensor bar contains a globe sensor 6" in diameter per ISO standard.

QUESTemp 36 Heat Stress Meter

How To Operate the QUESTemp Heat Stress Monitor Video

QUESTemp Heat Stress Monitor Power Options and Rechargeable Battery Installation Video

QUESTemp 36 Heat Stress Meter

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