QUESTemp QT-44 Heat Stress Monitor
Area Waterless Wet Bulb Heat Stress Monitors.
SKU
QT44
The TSI QUESTemp° Heat Stress Monitor QT-44 offers high quality heat stress monitoring without the hassle of wet-bulb maintenance. This model measures/calculates the dry bulb, wet bulb and globe temperatures along with WBGT indoors, WBGT outdoors, relative humidity and Heat Index/Humidex.
- Kit includes QUESTemp™ 44 unit with 2" style globe sensor and standard accessories
- Measure/calculate dry bulb, wet bulb & globe temperature, WBGT indoor/outdoor, relative humidity and Heat Index/Humidex
- Real time clock provides accurate reporting with time stamping
For more information on the TSI QUESTemp QT-44 Heat Stress Monitor, contact your local Air-Met office.
The QUESTemp° 44/46/48N utilises a waterless wet bulb sensor designed for working environments where daily instrument upkeep is difficult. A high-quality humidity sensor and proprietary algorithm perform the calculation of the WBGT values, eliminating the hassle of daily wet bulb maintenance.
The real time clock provides accurate reporting with time stamping.
Trusted
- Utilises WBGT (Wet Bulb Globe Temperature) sensing technology; the standard for heat stress management
Versatile
- Waterless wet bulb sensing technology eliminates daily maintenance
- Convenient stay time parameters per multiple standards help determine work/rest ratios
Rugged
- IP 54 ingress rating helps protect unit from exposure to dirt, dust, oil and water
- Designed to withstand the rigors of everyday use in demanding environments
| Natural Wet Bulb Models | Waterless Wet Bulb Models | |||||
|---|---|---|---|---|---|---|
| Measurement Parameters: | QT°32 | QT°34 | QT°36 | QT°44 | QT°46 | QT°48N |
|
Dry Bulb, Wet Bulb and Globe Temperatures, Relative Humidity
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• | • | • | • | • | • |
| Air Velocity | option | option | ||||
| 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 | • | • | • | • | • | |
| Event Logging Mode | • | |||||
|
Display Languages: Choose from Chinese, Czech, English, French, German,
Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish,
and Turkish
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• | • | • | • | • | • |
| 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) | option | option | option | option | option | |
| Sensors: | ||||||
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Dry Bulb Sensor - 1000 Ohm platinum RTD
Accuracy and Ranges: +/-0.5 from 0° C to 120° C (+/-0.9° F from 32° F to 248° F)
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• | • | • | • | • | • |
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Wet Bulb Sensor - 1000 Ohm platinum RTD
Accuracy and Ranges: +/-0.5 from 0° C to 120° C (+/-0.9° F from 32° F to 248° F)
|
• | • | • | |||
|
Waterless Wet Bulb (Humidity) sensor
Accuracy and Ranges: +/-1.1° C (k=2) between 0° C and 80° C (32° F and 176° F)
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• | • | • | |||
|
Globe Sensor - 1000 Ohm platinum RTD
Accuracy and Ranges: +/-0.5 from 0° C to 120° C (+/-0.9° F from 32° F to 248° F)
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• | • | • | • | • | • |
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Relative Humidity Sensor
Accuracy and Ranges: +/-5% from 20 to 95% (non-condensing)
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• | • | • | • | • | • |
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Air Velocity Probe - Omni-directional heated thermistor
Accuracy and Ranges: +/-(0.1 m/s + 4%) from 0 to 20 m/s
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option | option | ||||
| Operating Temperature Range: | ||||||
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Sensor Assembly: -5° C to 100° C (23° F to 212° F)
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• | • | • | • | • | • |
| Electronics: -5° C to 60° C (23° F to 140° F) | • | • | • | • | • | • |
| Data Management: | ||||||
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Detection Management Software DMS
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• | • | • | • | • | • |
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Thermal Comfort Indices in Accordance with ISO 7730
Predicted Mean Vote (PMV) and Predicted Percent Dissatisfied (PPD)
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option | option | ||||
| Output: RS-232 Serial Printer / Computer Interface; Parallel Printer Interface | • | • | • | • | • | |
| Power Source: | ||||||
| 9V Disposable Batteries; Hours of Battery Life | 140 | 80 | ||||
| NiMH Rechargeable Battery; Hours of Battery Life | 300 | 160 | ||||
| Mechanical: | ||||||
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D-ring with Lanyard Attachment. Allows for Hands-Free Monitoring
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• | |||||
| 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 | • | • | • | • | • | • |
| Standards and 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
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• | • | • | |||
| Electromagnetic Conformance: CE Mark | • | • | • | • | • | • |
- Health and safety testing
- Military training facilities
- Athletic training & events facilities
- Warehousing & distribution centres
- Manufacturing plants
- Nuclear & fossil fuel power generation plants
- Shipbuilding operations
- Occupational heat stress management
- Indoor air quality investigations
- Thermal comfort monitoring
- Risk analysis of job function or activity
