TSI QUESTemp QT32, QT34, QT36 Heat Stress Monitors

Code: QUESTemp QT32, QT34 & QT36
  • Calculates WBGT index value
  • Traditional wet-bulb sensing
  • Choice of models

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TSI QUESTemp Series Heat Stress Monitors formerly by 3M, are designed as a tool to manage heat stress in the workplace to avoid heat exhaustion, rash, severe thirst, fainting and heat stroke. The instruments use Wet Bulb Globe Temperature (WBGT) technology the standard parameter in heat stress measurement, which considers several factors to determine the actual heat stress on personnel. These include temperature, humidity, wind speed (chill factor), plus radiation heat sources from equipment or the sun.

This HSE article provides more detail on heat stress and the symptoms with steps an individual can take for prevention.

QT32, QT34 and QT36 are supplied with the following wet bulb, dry bulb, globe and relative humidity sensors. The QT36 can have an optional Air Velocity Probe added.

QUESTemp° models QT34 and Q36 have data logging capability readings can be retrieved, analysed and used with Quest Detection Management Software a standard platform compatible with other detection instruments.

  • Establish if heat stress guidance is needed
  • Optimise work and rest routines
  • Ascertain Head-Torso-Ankle weighted average WBGT requires additional tri-sensors
  • Suitable for use indoors or outdoors, ingress protection IP54
  • Disposable batteries 140-hour operation or NiMH rechargeable battery 300 hours
  • Durably designed for challenging environments and regular use.

When switching units on ten minutes needs to be allowed for sensor stabilisation, the monitor should be placed around 3.5 feet off the ground.

Measurement ParametersQT°32QT°34QT°36
Dry bulb, wet bulb and globe temperatures+++
Air Velocityoptional
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)optionaloptionaloptional

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Title Size
TSI-QuesTemp brochure 496 KB
TSI-QuesTemp-32-Q start 299 KB
TSI-QuesTemp-34-36-Quick Start 325 KB
TSI-QuesTemp-32-man-2018-07 552 KB
TSI-QuesTemp-34-36-man-2018-07 1 MB

Ordering Information

Included in each QUESTemp Series Portable Heat Stress Monitors are, (1) water bottle, (1) wick kit, (1) verification module & storage case. QT-34, QT-36 model numbers also include (1) serial computer interface cable.

/6 indicates 6-inch style globe sensor is included.

-3 indicates 3 sensors bars are included.

Sensor Bar Assembly (QT-32, QT-34 and QT-36) includes (1) sensor bar containing a Wet Bulb, Dry Bulb, Globe Temperature & Humidity (%RH) sensors.

Three Sensor Bar Assembly (QT-34-3, QT-36-3) includes (3) sensor bars, (1) tripod with brackets & rods, and (2) 6 ft. extension cables for mounting sensor bars & monitor for head, torso & ankle measurements.

QUESTEMP° 32/34/36 Instruments

QT-32 HEAT STRESS MONITOR
QT-32/6 With 6″ GLOBE
QT-34 HEAT STRESS MONITOR
QT-34/6 WITH 6″ GLOBE
QT-34-3 TRI-SENSOR LOGGING KIT
QT-36 HEAT STRESS MONITOR
QT-36/6 With 6″ GLOBE
QT-36-3 TRI-SENSOR KIT W/2″GLOBE

Accessories and parts

053-287 DIGITAL ORAL THERMOMETER
053-288 DIGITAL ORAL THERM. SHEATHS
EAR INSERTS Foam EAR Inserts (50 per bag)
EARLOOPS-QT EARLOOPS for QT-II
058-867 IBM INPUT CABLE ASBLY-
056-904 CARRYING CASE, 5 PK QT-II
056-906 QT-II CARRYING CASE ASSY
QT-NMH-120 QTEMP 120V NIMH BATT & CHARGER
QT-NMH-220 QTEMP 220V NIMH BATT & CHARGER
056-630 BATTERY PACK, NIMH, QT30
015-910 Universal Power Supply 120V/9V 1A MIN
015-680 Kit Universal Power Supply 220V/9V 1AMin
056-679 KIT, HEAT STRESS WICKING
056-068 BOTTLE, 2 OZ.
057-333 QT-48N NECK STRAP
QT3X-BC QT-3X REPLACEMENT BATT COVER
QT3X-DBS QT HSM DRY BULB SHIELD KIT
053-923 Assy, Heat Stress Verification Module
100-452 75% CALIBRATION SALT BOTTLE
100-451 33% CALIBRATION SALT BOTTLE
059-045 Tripod, SUNPAK 4200XL
056-794 ASSY-SENSOR BAR W/O HUMIDITY
056-795 QT3X SENSOR BAR ASSEMBLY W/HUM
056-780 ASSY SENSOR BAR 6″GLB W/HUM.
057-902 QT4X SENSOR BAR ASSY W/HUM
057-909 ASSY, QT 48N, SENSOR BAR
053-924 ASSY-CABLE 6FT CUSTOM SCREW
053-925 ASSY-CABLE 25FT CUSTOM SCREW
053-926 ASSY CABLE 100FT CUSTOM SCREW
053-927 ASSY CABLE 200FT CUSTOM SCREW
056-875 ASSY, ACTIVE PARALLEL CABLE
054-715 ASSY-ACTDIN SERIAL INTERFACE
053-922 AIRMOLD KIT – HEATSTRESS
053-947 ASSY, QUESTEMP KIT / 6″ GLOBE
053-939 ASSY-3-SENSOR CASE
053-946 ASSY, 3-SENSOR KIT / 6″ GLOBES
AIRPROBE-120 AIR PROBE-9 AIR FLOW SEN/120V
053-037 CHARGER 120VAC BLACK & DECKER
053-039 3.6V NIMH Battery

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