3M 48N user manual About Us

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About Us

3M Detection Solutions is a world class manufacturer of rugged, reliable instrumentation and software systems that help monitor and evaluate occupational and environmental health and safety hazards, including noise dosimetry, sound level monitoring, heat stress, indoor air quality and select toxic/combustible gases. The 3M Detection brand of instrumentation is used by safety and industrial hygiene professionals to help comply with applicable occupational standards and regulations.

About 3M Personal Safety

3M offers a comprehensive, diverse portfolio of Personal Safety solutions providing respiratory protection, hearing protection, fall protection, reflective materials for high visibility, protective clothing, protective eyewear, head and face protection, welding helmets, and other adjacent products and solutions such as tactical safety equipment, detection, monitoring equipment, active communications equipment and compliance management. In 2012, 3M celebrated 40 years of safety leadership – recognizing the company’s respiratory and hearing protection solutions introduced in 1972. Visit www.3M.com/PPESafety or http://m.3m.com/PPESafety for details.

Personal Safety Division

3M Detection Solutions

1060 Corporate Center Drive

Oconomowoc, WI 53066

ISO 9001 Registered Company

ISO 17025 Accredited Calibration Lab

Customer Service: 262-567-9157

Toll Free: 800-245-0779

www.3m.com/detection

3M is a trademark of 3M Company used under license in Canada. Please recycle. Printed in USA.

© 2013 3M

All rights reserved.

057-330 Rev.E. 2/13

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Contents Market Leader Contents List of Figures Iii Introduction QUESTempº 48N ModelGetting Started Up and Running overviewPlacing the QUESTempº 48N on the job site Keypad Operation Keys ExplanationTurning on, logging/capture an event, and turning off Index start-up screenIndicator arrow ∙ Numeric counterSensors Globe ThermometerWaterless Wetbulb & Relative Humidity Sensor Dry Bulb ThermometerWetBulb Globe Temperature Wbgt Stay Times/Rest Times IndiciesSetup Settings ExplanationOperating QUESTempº 48N View Selecting Setup parameters 11 Selecting temperature setting and setupReset PrintRun Following measurements can be accessed on the display Displayed Items19 Battery & memory screen Screen 6 Index Stay Time/IndexData Logging 22 Navy PHELs screenElectronic sensor check Performing an electronic sensor checkSensor Alignment RH Sensor AlignmentLow RH Alignment screen Adjust % to 33% using up/down arrow 27 RH alignment with Low % examplePrinting Data/CommunicationsParallel 30 Sample printoutsPowering Volt Alkaline Battery ReplacementApproved 9-Volt Batteries Duracell MN1604Appendix a Specifications MeasurementsWeight QUESTemp 48N Block Model LCDWork and recovery Light Appendix B Heat Exposure TablesHeavy Very Heavy TLV Heavy Very Heavy Action LimitAcgih Clothing Corrections United States NavyPhel Curves Total Exposure Time in Hours Minutes United States Navy Flag Conditions for U.S. Navy/Marine Corp. Ashore Flag Degrees FFlag Degrees C Appendix C Accessories sold separately QT3X-BCAppendix D Software DMS quick overviewCommunicating and Downloading in DMS PortData Finder and quick reports 34 Communicating with the QT⁰ 48N and DMSQuick Report select 36 Quick ReportCustomer service WarrantyCalibration Contacting 3M InstrumentationAbout Us