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Heat Stress Monitor [QT-36]

The QUESTemp°™ 36 simplifies heat stress management efforts with real time guidance on stay times and work/rest regimens. Guidance is based on screening criteria as defined in the ACGIH TLV Handbook, U.S. Navy PHEL Charts and EPRI Action Limits.

An optional detachable probe for measuring air velocity extends the applications for the QUESTemp° 36 beyond traditional heat stress management. The QUESTemp° 36 can be used as an indoor thermal comfort monitor using the air velocity probe, temperature and RH sensor readings simultaneously. The QUESTemp° 36 QT-36 (with Alkaline Battery) includes Standard Accessories, (1) Sensor Bar Assembly and 2" Style Globe Sensor.

 

Features

  • Kit includes QUESTemp°™ 36 unit with 2" style globe sensor and standard accessories.
  • Real-time readings for wet/dry bulb, globe, WBGT indoor/outdoor, relative humidity and heat index.
  • Optional remote sensors for up to (3) simultaneously monitored areas.
  • Rated intrinsically safe.
  • Data logging.
  • Intrinsic safety certification.

 

Specification

Measurement Parameters

Dry Bulb Temperature, Globe Temperature, Heat Index/HUMIDEX, Relative Humidity, WBGT (indoor) Index, WBGT (outdoor) Index, Wet Bulb Temperature, Velocity (optional)

Dry bulb

Accuracy and ranges: +/-0.5 from 0° C to 120° C

Wet bulb

Accuracy and ranges: +/-0.5 from 0° C to 120° C

Globe sensor

Accuracy and ranges: +/-0.5 from 0° C to 120° C

Relative humidity

Accuracy and ranges: +/-5% from 20 to 95% (non-condensing)

Air Velocity (optional)

Accuracy and ranges: +/ (0.1 m/s + 4%) from 0 to 20 m/s

Data logging intervals

1, 2, 5, 10, 15, 30 or 60 minutes

Time & date stamping with clock and calendar

Yes

Displayed stay times

ACGIH TLV, U.S. Navy PHEL charts, U.S. Navy/Marine Corp. Ashore Flag Conditions

Power Source

9V disposable batteries; hours of battery life: 140

NiMH rechargeable battery; hours of battery life: 300

IP Rating

IP-54

Case size

23.4 x 18.3 x 7.6 cm (including mounted sensor assembly)

Weight

1.2 kg (2.6 lb) with mounted sensor assembly

Standards / Approvals:

Intrinsic Safety, UL/CSA standards for Class I groups A, B, C & D, Class II groups E, F & G, Class III temperature code T3 & ATEX

Electromagnetic conformance: CE Mark