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3M 48N manual

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Table of contents for the manual

  • Page 1

    QUEST emp o 48N User Manual 3M P ersomal Safety Division 3M ™ QUEST emp° ™ Heat Stress Monitors F rom the Robus t C ons tr uc tion ©3 M 2 013 All R igh ts R es er ve d Market Leader F rom the[...]

  • Page 2

    i Contents Contents Introduction .......................................................................................................................................................... 1 QUESTempº 48N Model ....................................................................................................................................... 1 G[...]

  • Page 3

    Contents ii Data/Communications ....................................................................................................................................... 17 Parallel .............................................................................................................................................................. 18 Power ..[...]

  • Page 4

    Contents iii Fig ur e 1- 12 : Se le ct in g te mp er at ur e s et ti ng ………………………………… ……………………………… ……………………. 9 Figure 1-13: Selecting log rate with event log ……………………………………………………………………………….. 9 Figure 1-14: Run mode indicator[...]

  • Page 5

    1 Introduction Up and Running overvie w In troduction The QUESTemp º 4 8N offers traditional heat stress monitoring without the aggravation of maintaining a wet bulb. Through collaboration with Professor Dr. Thomas Bernard , from the College of Public Health at the University of South Florida , mathematical models were implemented to create a Wate[...]

  • Page 6

    2 Getting Started Up and Running overvie w Getting Started Up and Running ove rview Placing the QUE STemp º 48N on the job site The QU ES Te mp º 48N s h oul d b e p la ce d at a he ig ht of 3 .5 feet (1 .1m ) f or s ta nd ing ind i vi du al s or 2 f ee t ( .6m ) f or s ea te d i nd iv id ua ls . T ri pod mo un ti ng i s re co mm en de d to g et [...]

  • Page 7

    3 Getting Started Keypad Operation Keypad Operation The unit operates using a keypad with 4 keys. The I/O Enter key responds when the key is released while all other keys respond when the key is pressed. Keys Explanation I/O Enter key The unit turns on with a single key press. The unit turns off by holding the key down while a countdown of 3-2-1 oc[...]

  • Page 8

    Getting Started Turning on, logging/ capture an e vent, and tur ning off 4 Turning on, logging/ capture an e vent, and turning off To quickly get you started with the QUESTemp º 4 8N , the following section explains turning on the instrument, data logging/event logging, and stopping. 1. Press the I/O Enter key to turn on .  The first two start-[...]

  • Page 9

    Getting Started Tu rning on, logging/ capture an event, and turning off 5 4. The main menu (navigational screen) will appear after the start-up screens. Press I/O Enter key. (This will open to the measurement screens.) Figure 1-6: Main menu of the QT4 8N 5. Press Run/Stop key to either Data Log or log/record an Event and an asterisk will appear in [...]

  • Page 10

    Sensors Globe Therm ometer 6 Sensors Globe Thermometer The globe thermometer (l eft position ) gives an indication of the radiant heat exposure on an individual d ue to either direct sunlight or hot objects in the environment. This is accomplished by placing a temperature sensor inside a blackened copper sphere and measuring the te mperature rise. [...]

  • Page 11

    Measurements WetBulb Globe Tem perature (W BGT) 7 Measurements The QU ES Te mp  48N d at a l ogg i ng , wi th a n e ve nt l og gi ng m od e , h ea t s tre s s mon it or d i re ct ly s e nse s t hre e p ar am et er s: d ry b ul b te mp e rat ur e (D B) , gl ob e te mp er at ure (G) , a nd r el at iv e h um id it y ( RH) . It co mp ut es the Wet B[...]

  • Page 12

    Operating QUESTempº 48N View 8 Operating QUESTemp º 4 8N From a powered on mode, the main menu will appear (after the start-up screens are displayed.) Use the Up Arrow and Down Arrow keys to move the marker in the display in front of the desired mode. Pressing the I/O Enter key will select the mode. Figure 1-9: Main menu example View Displays the[...]

  • Page 13

    Operating QUESTempº 48N Setup 9  Selecting Setup parameters 1. From the main menu, select Setup by pressing the I/O Enter key. Using the Up/Down Arrow keys, select the settings in steps 2-6. Fig u re 1- 1 1: Se l ect in g t emp e ra tu r e set ti ng an d set up 2. For the Time and Date settings, once selected, press I/O Enter key t o move to th[...]

  • Page 14

    Operating QUESTempº 48N Print 10 Print Allows printing to a parallel or serial printer or to a compute r. The Q UESTemp º 4 8N wi ll re cognize the cable plugged in and configure itself for serial or parallel. If no cable is plugged in, it will de fault to serial. Press I/O E nter key to begin printing. Press Run/Stop key to return to the menu. ?[...]

  • Page 15

    Displayed Items Run 11 Displayed Items For the QUESTemp  48N , the number in the upper right corner ind icates the saved session or the saved event log.  “ 1 ” indicates the sensor bar placed on (or attached to) the top of the instrument. Sensors 2 and 3 are labeled on the side of the unit as “Sensor 2”, and “Sensor 3” .  An ?[...]

  • Page 16

    Displayed Items Stay Time/Index 12 Screen 5: BAT (Battery voltage) MEM (Logging memory available in days) Figure 1-19: Battery & memory screen Screen 6: Index (Navy PHEL stay times) Figure 1- 20: Navy PHEL stay times  NOTE: A series of dashes appea r in the display if one of the following occur:  The temperature is outside of its allowabl[...]

  • Page 17

    Data Logging Stay Time/Index 13 If the Navy PHELs are selected, the recommended working hours are shown based on a maximum of eig ht ho urs. Three screens are used to display the PHELs two at time.  NOTE: “ 8:01 ” following one of the PHELs indicates greater than eight hours. Figure 1-22: Navy PHELs screen If F lag i s s el ec te d, t he F l[...]

  • Page 18

    Electronic sensor check Performing an electronic sensor check 14 Electronic sensor check A ve ri fi cat i on m od ul e , Que s t m ode l 0 53- 92 3, m ay b e u se d to c he ck t he o pe ra ti on o f t he QU E ST e mp ’s we t bu lb , dr y bu lb , a nd g lo be . Th e p urp os e i s to ve ri fy t ha t the el ect r oni c com p one n ts a re wit hi n [...]

  • Page 19

    Se nsor Alignment RH Sensor Alignm ent 15 Sensor Alignment For h ig h ly a cc ur at e me as ur em e nt r ea di ng s, y ou s ho ul d al ig n y o ur QU ES Te mp º 48N p ri or to da ta l og g ing or e ve nt lo gg i ng/ r e cor di ng . Fo r t he R H se ns or, i t i s re co mme nded to a li gn wi t h a Hi gh c on ce nt ra ti on l ev el usi ng t he 7 5%[...]

  • Page 20

    Se nsor Alignment RH Sensor Alignm ent 16 6. Place the Salt container , with the salt alignment cap re moved, over the RH sensor (middle sensor). Allo w level to stabilize for at least 15 minu tes. (Refer to Figure 1-25.)  About sensor alig nment: if readings are wi thin +/- 0.5%, a chan ge in sensor alig nment is not required. Ski p to step 7 t[...]

  • Page 21

    Printi ng Data/Comm unications 17 Printing Printing options incl ude to a RS -232 port or to a parall el printer. Serial transmissi on requires Quest cable #54-715. Parall el transmission requires Q uest cable #56-875. With the applicable cable plugged in, select PRINT from the menu and p ress the I/O Enter key to enter the PRINT mode. Begin printi[...]

  • Page 22

    Printi ng Parallel 18 Parallel Data can be sent directly to parallel printers that accept direct ASCII test input without special drivers. Make sure the printer is powered on and is online , ready to accept data, prior to printing. Figure 1- 30 : Sample printouts EVENT: 1 Page 2 Sensor: 1 Degrees Fahrenheit Stay Times: ACGIH, Accl imated, WBGT, clo[...]

  • Page 23

    Pow ering 9-Volt Alkaline Battery Replacem ent 19 Powering T he QU ES Te mp º 48N us es a 9- vol t a lk al in e ba tt er y. A d oo r o n th e ba ck o f t he ins t rum e nt a ll ow s th e us er a c ces s t o the 9-v ol t b at te ry . The 2-p os it i on s wi tc h lo ca te d i n t he b at te ry c omp a rtm e nt i s se t b y the us er t o the 9-v ol t[...]

  • Page 24

    Appendix A: Specific ations Approved 9-Volt Batteries 20 Appendix A: Specifications Measurements  Globe Temperature, Dry Bulb Temperature , Wet Bulb Temperature, % Relative Humidity , and WBGT Index  Temperatures given in Celsius or Fahrenheit  Index (displayed stay time with selected index): ACGIH TLV, U.S. Navy P HEL Charts, Flag Conditi[...]

  • Page 25

    Appendix A: Specifications Approved 9-Volt Batteries 21 Size Height 9.2in (23.5cm); Width 7.2in (18.3mm); Dep th 3.0in (7.5m m) Dimensions include mounted sensor assembly Weight 2.6 lbs. (1.2 kg) with mounted sensor assembly Remote Sens or Bar Using a cable, the top sensor bar can be setup for remote measurements, up to 200 feet (61m). Power 9V alk[...]

  • Page 26

    Appendix A: Specific ations QUESTemp 48N Block Model 22 QUESTemp ° 48N B lock Mode l Sensors 1, 2, & 3 Multiplexer Gain Keypad A/D Microprocessor LCD RS232 Printer Power Controller Battery Da ta Memor y Program Memor y Block model[...]

  • Page 27

    Appendix B ACGIH 23 Appendix B: Heat Exposure Tables ACGIH Screening Criteria for Heat Stress Exposure. WBGT values in  C. NOTE: according to the ACGIH’s guidelines, the temperature values represe nt a work and rest process which is explained in the standards. Please refer to the ACGIH TLVs and BEIs for specific details. Work and recovery (TLV[...]

  • Page 28

    Appendix B ACGIH Clothing C orrections 24 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. C[...]

  • Page 29

    Appendix B United State s Navy 25 WBGT(F) I II III IV V VI 92.0 4:50 4:10 3:30 2:55 2:15 1:30 93.0 4:25 3:50 3:15 2:40 2:00 1:25 94.0 4:05 3:35 3:00 2:25 1:50 1:15 95.0 3:45 3:15 2:45 2:15 1:45 1:10 96.0 3:25 3:00 2:30 2:05 1:35 1:05 97.0 3:10 2:45 2:20 1:55 1:25 1:00 98.0 2:55 2:35 2:10 1:45 1:20 0:55 99.0 2:40 2:20 2:00 1:40 1:15 0:50 100.0 2:30 [...]

  • Page 30

    Appendix B Flag Condition s for U.S. Nav y/Marine Corp. Ashor e 26 Flag Conditions for U.S. Navy/Marine Corp. Ashore The following chart de tails the hea t stress monitoring Flag Condition s fo r U.S. Navy/Marine Corp . Ashore in Degrees Fahren heit and Celsius. * Rest means minimal phys ical activity (sitting or sta nding) and s hould be accomplis[...]

  • Page 31

    Appendix C: Accesso ries (sold separately) 27 Appendix C : Accessories (sold separately) Rep l ace me nt Re la ti ve h um id i ty s en so r (o ne i nc lu de d) 57 -3 17 Se nso r ar ra y w it h 2-i n ch G l ob e an d re mo va bl e RH s en so r (o ne inc l ud ed ) 57 -90 9 Se nso r al ig n me nt s al t at 7 5% [ Na Cl ( sod i um c hl or id e )] (one [...]

  • Page 32

    Appendix D: So ftware 28 Appendix D: Software The QUESTemp  4 8N has the flexibility to be set up and controlled through computer software. The programmable start and s top time feature is only accessible through the computer. The instrume nt also has the capability of sending live data while measuring. These features are best utilized using 3M [...]

  • Page 33

    Appendix D: So ftware Data Finder and qu ick reports 29 4. Click on the button in the Instrument Communications page while Data finder checkbox is checked (see 3 below).  Note: The data Finder page will appear. See next section. Figure 1-34: Communicating with the QT ⁰ 48N and DMS Data Finder and qui ck reports In the Data finder page, the dat[...]

  • Page 34

    Appendix D: So ftware Data Finder and qu ick reports 30  Quick Report: select the button to generate a report with basic information and a summary table of your d ownloaded data. Figure 1-36: Quick Report  Analyze: allows you to add charts/gra phs and customize how they will appear in a report. Tip: add the panels by using the add a panel and[...]

  • Page 35

    31 Appendix D: Q uest Service Contacting Quest Techno logies Customer service Contacting 3M Ins trumentation Should your 3M equipment need to be returned for repair or for recalibration, please contact the service department at the following number or acc ess the online form via the website. For technical issues, please contact Technical Support. S[...]

  • Page 36

    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 T oll Free: 800-245-0779 www .3m.com/detection 3M is a t rad emar k of 3 M Co mpany used u nder lic ense in C an ada. Plea se r ecycle. P rin ted in U S A . [...]