3M 48N user manual Acgih Clothing Corrections, United States Navy

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24

Appendix B

ACGIH Clothing Corrections

ACGIH Clothing Corrections

The following clothing corrections are in degrees Celsius. When a clothing correction is entered into the setup portion of the QUESTemp° 48N, the value is added to the WBGT only for looking up the stay times. The WBGT value displayed by the unit does not reflect corrections.

Clothing type

Clothing correction (Addition to WBGT (ºC)

 

 

Work clothes (long sleeve shirt and pants)

0º

 

 

Cloth (woven material) coveralls

0º

 

 

Double-layer woven clothing

3º

 

 

SMS polypropylene coveralls

0.5º

 

 

Polyolefin coveralls

1º

 

 

Limited-use vapor-barrier coveralls

11º

 

 

Cited from "American Conference of Governmental Industrial Hygienists - Threshold Limit Values and Biological Exposure Indices for 2008"; Reprinted with permission from ACGIH

United States Navy

Physiological Heat Exposure Limits (PHELs) Time Table (Without the presence of fuel combustion gases/fuel vapors)

The recommended working hours are shown based on a maximum of eight hours. Naval personnel will follow a category, I - VI, based upon their function.

PHEL Curves (Total Exposure Time in Hours: Minutes)

WBGT(F)

 

I

II

III

 

IV

V

VI

 

 

 

 

 

 

 

 

 

 

 

80.0

>8:00

>8:00

>8:00

8:00

6:35

4:30

 

 

 

 

 

 

 

81.0

>8:00

>8:00

>8:00

8:00

6:35

4:30

 

 

 

 

 

 

 

82.0

>8:00

>8:00

8:00

7:05

5:25

3:40

 

 

 

 

 

 

 

83.0

>8:00

8:00

7:45

6:25

4:55

3:20

 

 

 

 

 

 

 

84.0

>8:00

8:00

7:05

5:55

4:30

3:05

 

 

 

 

 

 

 

85.0

8:00

7:45

6:30

5:20

4:05

2:50

 

 

 

 

 

 

 

86.0

8:00

7:05

5:55

4:55

3:45

2:35

 

 

 

 

 

 

 

87.0

7:25

6:30

5:25

4:30

3:25

2:20

 

 

 

 

 

 

 

88.0

6:45

5:55

4:55

4:05

3:10

2:10

 

 

 

 

 

 

 

89.0

6:10

5:25

4:30

3:45

2:50

2:00

 

 

 

 

 

 

 

90.0

5:40

5:00

4:10

3:25

2:40

1:50

 

 

 

 

 

 

 

91.0

5:15

4:35

3:50

3:10

2:25

1:40

 

 

 

 

 

 

 

 

 

 

 

Page 27 Page 29
Image 28
Page 27 Page 29
Contents Market Leader Contents List of Figures Iii Introduction QUESTempº 48N ModelUp and Running overview Getting StartedPlacing 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 setupPrint ResetRun 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 LimitUnited States Navy Acgih Clothing CorrectionsPhel Curves Total Exposure Time in Hours Minutes United States Navy Flag Degrees F Flag Conditions for U.S. Navy/Marine Corp. AshoreFlag 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
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