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QUESTemp 46 Series Portable Heat Stress Monitors

TSI Industries

RN-QT-46

TSI QUESTemp 46 Heat Stress Monitor with Waterless Wetbulb Sensor

The QUESTemp°™ 46 Heat Stress Monitor offers high quality heat stress monitoring without the hassle of wet-bulb maintenance. This model also features a convenient stay time display per mutliple standards.

Brilliant Waterless Wet Bulb

  • Uses a proprietary algorithm tocalculate the WBGT; eliminates daily wet bulb maintenance.

Stay Times

  • QUESTemp° models 46/48N display stay times per ACGIH TLV, U.S. Navy PHEL charts, and U.S. Navy/ Marine Corp. Ashore Flag Conditions; QUESTemp° 46 includes EPRI action limits Choose from various stay time standards to help determine workrest ratios.

Data Logging

  • QUESTemp° models 44/46/48N store data for future download and analysis
    Compatible with Quest Detection Management Software DMS
    Analysis of data is a critical step in developing a heat stress management program

Measurement Parameters

  • Dry bulb, wet bulb and globe temperatures, relative humidity
  • Optional 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

Operating Temperature Range

  • Sensor assembly: -5° C to 100° C (23° F to 212° F)
  • Electronics: -5° C to 60° C (23° F to 140° F)

Data Management

  • Detection Management Software DMS
  • Optional Thermal comfort indices in accordance with ISO 7730 - Predicted Mean Vote (PMV) and Predicted
  • Percent Dissatisfied (PPD)

Power Source (All include AC power adapter wall power cube)

  • 9V disposable batteries; hours of battery life: 80
  • NiMH rechargeable battery; hours of battery life: 160

Mechanical

  • Tripod mount / remote sensor bar - Allows for up to 61 m (~200 ft) long distance measurement
  • IP54 water & dust ingress protection rating
  • Case size (including mounted sensor assembly) 23.4 x 18.3 x 7.6 cm (9.2” x 7.2” x 3”)
  • Weight: 1.2 kg (2.6 lb) with mounted sensor assembly

Sensor Specifications

  • Dry bulb sensor - 1000 Ohm platinum RTD - Accuracy and ranges: +/-0.5º C from 0º C to 120º C (+/-0.9º F from 32º F to 248º F)
  • Waterless Wet Bulb (Humidity) sensor - Accuracy and ranges: +/-1.1º C (k=2) between 0º C and 80º C (32º F and 176º F)
  • Globe sensor - 1000 Ohm platinum RTD - Accuracy and ranges: +/-0.5º C from 0º C to 120º C (+/-0.9º F from 32º F to 248º F)
  • Relative humidity sensor - Accuracy and ranges: +/-5% from 20 to 95% (non-condensing)
  • Optional Air Velocity Probe - Omni-directional heated thermistor - Accuracy and ranges: +/-(0.1 m/s + 4%) from 0 to 20 m/s
More Information
PN RN-QT-46
Manufacturer TSI Industries

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