3M Quest QuesTemp II personal heat stress monitor user manual
Contents
1. 2 Ambient Compensation 2 Keypad Functions Defaults Data Logging Printing Computer Downloading using DOS Computer Downloading Using Windows 9 Printout Description Low Battery Audible Calibration 5 5 12 Calibration Method 1 13 Calibration Method 2 14 Ear Sensor 15 Ear Sensor 1 15 Ear Sensor Removal 16 E A R Plug 17 Operation Summary 17 Indicators Action2. will function for an addition 8 hours from the time when the battery voltage first hits its Lo condition at 7 5 volts An on board 3 volt lithium battery will retain the memory of the QUESTEMP II even when the 9 volt battery is removed This will not however power the unit for operation Replace dead batteries with 9 volt ALKALINE type NEDA 1604A or equivalent Audible Alarm The speaker located in the ear assembly will sound under three conditions 1 When the 10 second average temperature in the ear canal exceeds the set alarm level the speaker will give two pulses every second 2 When the 10 second average temperature the ear canal exceeds 0 5 C above the set alarm level the speaker will give four pulses every second 3 When the battery voltage falls below 7 2 volts the speaker will sound continuously warning that the unit has stopped reading temperature data and the battery should be immediately replaced Calibration The purpose of calibration is to compensate for the difference between an individual s ear and body temperatures The QUESTEMP II accomplishes this by taking an oral temperature with the QUESTEMP CALPROBE thermometer and comparing it to the ear temperature NOTE When taking an oral temperature the person should be rested and should not have had anything to eat or drink in the past 15 minutes The probe should be kept under the tongue with the mouth closed Although typical oral to ear t
3. 13 32 01 58 4 Alarm Level Setting 38 0 C Sprint Rate 1 Min 6 High Temperature 38 1 13 32 7 Low Temperature 36 1 11 34 8 CAL in degree C Time 0 4 11 41 20 SAMPLED DATA x 11 Oral Temp 37 9 100 2 27 6 37 9 100 2 27 4 Figure 1 Sample Printout 056 025 RevF QUESTemp II 4 11 Print summary 11 Printout summary Printout summary 1 Start time refers to the clock time when the RUN mode was initiated 2 End time refers to the clock time when the last RUN was halted by either turning the unit OFF or PRINTING 3 Total run time is the difference between the start and end times If there were multiple runs an asterisk will appear after the total run time indicating that there is a break in the run time data 4 current alarm level setting is printed 5 current sample rate indicates the amount of time between each set of data printed 6 The highest ear temperature logged is printed along with its time of occurrence 7 lowest ear temperature logged is printed along with its time of occurrence 8 calibration value is that of ORAL minus EAR at the time the calibration sequence was completed If the unit is calibrated more than once each additional value and time will be printed 9 Ear temperature data including the calibration offset if the unit was calibrated is printed in both Celsius and Fahrenheit
4. 4 11 About Quest Technologies a 3M company Quest Technologies a 3M company is a world class manufacturer and leader in the field of occupational safety industrial hygiene and environmental instrumentation Quest products are used in more than 80 countries worldwide Quest has a strong reputation of rugged reliable instrumentation and software systems that monitor and evaluate occupational and environmental health and safety hazards including noise vibration heat stress indoor air quality and toxic combustible gases Quest monitoring instruments serve a variety of occupations and industries with clients in mining research enforcement military education insurance and manufacturing business sectors e Visit www questtechnologies com for further information 3M QUEST TECHNOLOGIES Occupational Health amp now part of 3M Environmental Safety Division Quest Technologies a 3M Company ISO 9001 Registered Company ISO 17025 Accredited Calibration Lab www questtechnologies com 1060 Corporate Center Drive Please recycle Printed in USA Oconomowoc WI 53066 2011 3M Customer Service 262 567 9157 All rights reserved Toll Free 800 245 0779 056 025 Rev F 4 11
5. 10 Earmold temperature data is printed in both Celsius and Fahrenheit This refers to the second sensor located in the blue earmold and is an indicator of what was occurring in the environment The values are not exact ambient temperatures because they may be affected by the close proximity to the head 11 If the oral thermometer probe is in the CAL jack and its temperature is in the range of 32 C to 42 C then the data will be recorded Typically this would provide calibration information of the oral temperature 12 Asterisks appear in the alarm column next to the data if alarm had gone off during that particular time period Multiple asterisks appear for each tenth of a degree Celsius above the set alarm level For example when the alarm is set to 38 0 C 1 asterisk indicates 38 0 C 2 asterisks indicates 38 1 C etc Low Battery The battery condition should be checked each time before using the QUESTEMP II Pressing the BAT TEST key will display the actual battery voltage When the level falls below 7 5 volts Lo appears in the display indicating that the battery should be replaced The unit will continue to function until the battery falls below 7 2 volts At that time the alarm will sound continuously and the unit will no longer read or store data If 056 025 RevF QUESTemp II 4 11 Calibration 12 Calibration this occurs turn the unit OFF and replace the battery before its next use Under normal use the
6. 17 5 18 19 Part 19 Service amp Warranty 19 Service Policy 19 Warranty Policy 20 056 025 RevF QUESTemp II 4 11 Introduction 1 Introduction Introduction The QUESTEMP II is an easy to use personal heat stress indicator which monitors the human body s temperature via the ear canal Any offset between the ear and body temperatures is adjusted for by calibrating directly to the individual s oral temperature The QUESTEMP II personal monitor is intended to be a part of a well managed heat stress program It is an alerting device which warns the user that their body temperature has risen above the safe level and that action should soon be taken to allow the body to cool The QUESTEMP II monitor acts as an aid and does not replace the individuals own feelings and judgment The hypothalamus located at the base of the brain is the body s temperature controller The ear canal borders the
7. any reason you should find it necessary to contact the factory regarding service or shipping damage please direct your calls or letters to the attention of the Service Manager Quest Technologies 414 567 9157 or 800 245 0779 Office hours are from 8 AM to 5 PM Central Standard Time Monday through Friday Warranty Policy Quest Technologies warrants our instruments to be free from defects in materials and workmanship for one year under normal conditions of use and service For U S A customers we will replace or repair our option defective instruments at no charge excluding batteries abuse misuse alterations physical damage or instruments previously repaired by other than Quest Technologies Microphones sensors printers and chart recorders may have shorter warranty periods This warranty states our total obligation in place of any other warranties expressed or implied Our warranty does not include any liability or obligation directly resulting from any defective instrument or product or any associated damages injuries or property loss including loss of use or measurement data For warranty outside the U S A a minimum of one year warranty applies subject to the same limitation and exceptions as above with service provided or arranged through the authorized Quest sales agent or our Quest European Service Laboratory Foreign purchasers should contact the local Quest authorized sales agent for details 056 025 RevF QUESTemp II
8. pin serial port The standard for a computer s serial port is a 25 pin or a 9 pin male pins connector Do not connect to the computer s printer output port which is a 25 pin female holes connector If you have cable 58 867 but your computer s serial port has only 9 pins then you may 25 to 9 converter available at most computer or electronic stores No other cables should be used PRINTER CABLES Connect the meter directly to a serial printer using cable 58 847 A serial printer s input is typically a 25 pin female holes connector Do not use cable 58 847 in conjunction with a computer s printer cable because that connects into the printer s parallel port Many printers are parallel only and not accept data from the 1 For printers that have both serial and parallel inputs refer to the printer s manual for configuring the serial port Note Cables 58 867 58 847 are internally wired the same The only difference between them is the gender A straight through 25 pin gender converter available at most computer or electronic stores can allow you to use one cable for either a computer or printer To initiate printing use the following sequence 1 With the unit ON plug the printer cable into the OUTPUT port of the QUESTEMP II 2 sure the desired PRINT RATE is selected see the key function PRINT RATE 3 Press the PRINT DATA key If the default baud rate speed of d
9. the settings at that time will be stored as the new default values Temperature however will always default to Celsius and the CALibration level will be reset to 0 whenever the unit is RESET at power OFF the last value of CALibration is stored Data Logging In the RUN mode every ten seconds the QUESTEMP II will store the ear and earmold temperature data as well as oral temperature data if the thermometer is plugged in to the CAL jack The numbers stored represent the average value for the previous 10 seconds The data can be transmitted to a computer or printer see the section PRINTING The logged information can be cleared from memory by pressing the RESET key for a count down of 3 seconds Turning the unit OFF will not effect the memory If the unit is put in the RUN mode multiple times without RESET data will be stored following the information already in memory 12 5 hours of data can be logged Once the memory is full the unit can no longer store data but it will continue to operate Printing Logged information can be sent to a computer or serial printer using an RS232 serial protocol The amount of data printed is determined by the instrument s PRINT RATE key 056 025 RevF QUESTemp II 4 11 7 Printing Note if the unit is the RUN mode when printing is initiated the RUN mode will be canceled and data logging will cease COMPUTER CABLES Connect the meter to a computer using cable 58 867 for a 25
10. 3M Occupational Health amp Environmental Safety Division 3M QUESTEMP II Personal Heat Stress Monitor 3MTM QUESTemp II Personal Heat Stress Instrument Copyright This document is copyrighted by Quest Technologies a 3M company Permission is hereby granted to copy and distribute this manual provided that this Copyright Page is included This grant does not include permission to modify the manual s text or illustrations in any way This manual may not be translated without obtaining permission in advance Trademarks Quest Technologies the Quest logo and QuestSuite Professional II are registered trademarks of Quest Technologies Incorporated All rights are reserved Microsoft and Windows registered trademarks of Microsoft Inc Updates In the interests of continuous product improvements Quest Technologies reserves the right to make changes to product specifications without notice To understand the latest updates that have been implemented into this product and to download the most current version of this user manual visit our web site at www quest technologies com Copyright 2011 Quest Technologies a 3M company ii Table of Contents TABLE OF CONTENTS Introduction 1
11. K PRINT RATE and ALARM LEVEL when the key is pressed once the current value or setting will appear in the display Pressing the same key a second time consecutively will allow that setting to be changed If an oral thermometer is plugged into to the CAL jack then the oral temperature will be displayed and updated If the thermometer is not plugged in or if the temperature is below 29 5 C then o will be displayed 056 025 RevF QUESTemp II 4 11 3 Functions PRINT DATA 056 025 RevF 4 11 Pressing CAL a second time will display the value of ORAL minus EAR if the thermometer is in place Otherwise it will display a temperature which can be adjusted by pressing the ARROW key to represent an oral or core temperature In either case pressing ENTER will store the calibration data See the section on CALIBRATION for more details The default baud rate will appear in the display If the ENTER key is pressed then serial ASCII RS232 formatted data will be sent from the output jack and prn will appear in the display If the PRINT DATA key is pressed a second time the displayed baud rate will blink indicating that a new rate may be selected with the ARROW and ENTER keys The baud rate options are 300 600 1200 2400 4800 and 9600 baud After pressing ENTER the data will be sent out and will appear the display To halt printing simply press the PRINT DATA key again The ear temperature will be dis
12. ata transmission in the display is not the desired baud rate press the PRINT DATA key a second time and use the ARROW key to select a new rate If you are downloading to a computer be sure that it is ready to accept data prior to moving to step 4 4 Press ENTER and the data will be sent Prn will appear in the display until all of the data has been sent 5 To halt printing simply press the PRINT DATA key while is still in the display 056 025 RevF QUESTemp II 4 11 Downloading 8 Computer Downloading using DOS Computer Downloading using DOS The MODE and COPY commands can be used directly from the DOS prompt to download the information Type the following commands at the DOS prompt MODE COMx baud N 8 2 P lt enter gt e After typing the MODE command the computer should respond with the RESIDENT PORTION OF MODE LOADED If the computer responds with an error message then there is a good chance that the COM port selected is not valid COPY COMx filename lt enter gt e After typing the COPY command the cursor will move to the next line on the screen and blink If you receive an error message retry the COPY command refers to which com port is being used Typically this is 1 COM2 baud refers to the baud rate and must match the Questemp II s settings filename refers to any DOS filename the user makes up At this point the user should have the Questemp ll print Nothing will hap
13. emp II Ear Sensor Use 15 Ear Sensor Use Ear Sensor Use Ear Sensor Insertion 1 Roll the disposable yellow E A R foam ear plug containing a black protruding tube back and forth with the fingers until it forms a small crease free cylinder See Figures 2 and 3 Figure 2 Figure 3 2 Using only light pressure to keep the E A R plug rolled tight gently slide it over the sensor of the earmold assembly The black tube should slide into the earmold leaving only the yellow foam plug visible The sensor should fill the black tube of the E A R plug with the tip lying flush with or just inside of the outer end of the tube 3 With the E A R plug still rolled tight hold on to the blue earmold and quickly insert the rolled up plug into the ear canal and hold it in place until it expands The yellow portion of the earplug should be completely contained within the ear canal without any danger of hurting the inner ear Fitting is easier if the outer ear is pulled outward and upwards during insertion as shown in Figure 3 Once the plug has expanded pushing or twisting will not improve its fit therefore if the initial fit is inadequate remove the plug and repeat the process 056 025 RevF QUESTemp II 4 11 16 Ear Sensor Use Figure 4 4 Maneuver the ear hanger over the ear The ear hanger will help to hold the assembly in place throughout the day This procedure may feel awkward at first but it will become very eas
14. emperature differentials can be found over a several degree range each individual s differential will remain stable provided that the ambient temperature does not change drastically from the time of calibration At the time of calibration an offset is added to the ear temperature to equate it to the oral temperature This offset will remain in effect until modified by the next calibration or until the unit is reset The time and amount of offset will be listed on the printout 056 025 RevF QUESTemp II 4 11 13 Calibration The calibration procedure should be followed before each use After the initial calibration if the worker s environment changes by more than 10 C then the QUESTEMP II should be recalibrated in the new environment Calibration can done at any time and will not disturb the data logging in the RUN mode Calibration Method 1 Use the following sequence to calibrate the using the QUESTEMP CALPROBE thermometer 1 Insert the ear sensor and allow 3 5 minutes for it to stabilize to the correct temperature 2 Turn the unit ON RESET it to clear old data if desired and press RUN to record calibration data 3 Place the CALPROBE under the tongue and plug it into the CAL jack on the unit Allow 3 5 minutes for it to stabilize A total of 6 10 minutes for the ear sensor 4 Pressing CAL once will display and update the oral temperature The temperature should be stable before c
15. hypothalamus and will track its temperature changes once the canal is isolated from the outside environment A small sensor is placed in the ear canal via an E A R earplug which will monitor the change in the body s temperature and set off an audible alarm when the level reaches a preset limit The recommended limit is 38 C according to the WORLD HEALTH ORGANIZATION and has been accepted by the ACGIH NIOSH and the International Organization for Standardization These organizations also recognize that closely monitored acclimatized individuals may have a higher tolerance limit of up to 39 C As the temperature rises above the limit the risk of heat related problems occurring increases The QUESTEMP II has the capability of setting the initial alarm level between 38 C and 39 C and it will automatically produce a secondary alarm if the temperature exceeds 0 5 C above the initial alarm level Many people who work in hot and humid areas particularly those enclosed in protective suits are in danger of overheating and becoming heat stressed Heat stress can occur when the body s cooling system can not keep up with the heat induced by the activity or environment of the worker Some symptoms of overheating are dizziness exhaustion heat cramps dehydration heat collapse or in extreme cases heat stroke or death Workers in steel mills asbestos cleaning power plants and heavy machine operators are examples of people who may often find themsel
16. ontinuing 5 Pressing CAL a second time will blink and update the value of ORAL minus EAR in the display When this value is stable if the above sequence and timing was followed it should be stable already press ENTER to complete the calibration sequence CAL will momentarily appear in the display to indicate that the ORAL minus EAR value was obtained and will now be added as an offset to the EAR temperature 056 025 RevF QUESTemp II 4 11 14 Calibration Calibration Method 2 Use this alternative procedure to calibrate the QUESTEMP II by manually entering the core temperature The core temperature could be obtained rectally or by infrared tympanic measurement for example 056 4 11 Insert the ear sensor and allow 6 10 minutes for it to stabilize to the correct temperature Turn the unit ON RESET it to clear old data if desired and press RUN to record calibration data Pressing CAL once will display o indicating that the oral thermometer is not in place Pressing CAL a second time will blink 36 0 representing the core temperature Adjust this value between 36 0 and 39 0 by pressing the ARROW key until it displays the core temperature Then press ENTER to complete the calibration sequence CAL will momentarily appear in the display to indicate that the entered CORE temperature minus the EAR temperature value was obtained and will now be added as an offset to the EAR temperature 025 RevF QUEST
17. pen on the screen until all of the information has been sent When the instrument is done sending the information the PC will respond with 1 FILE COPIED There now exists a file called filename in the current directory in the computer The user can print this out by typing PRINT filename lt enter gt 056 025 RevF QUESTemp II 4 11 9 Computer Downloading Using Windows Computer Downloading Using Windows There is a variety of commercially available software that accepts data from the Questemp ll These software packages are usually termed communications software Microsoft Windows has a communications program under the ACCESSORIES icon called TERMINAL Instructions on how to use TERMINAL are located in the Windows manuals Using any of these communications programs the user must select the com serial port and the baud rate The Quest cable must be plugged into the selected com port and the baud rate on the unit must match the rate selected in the software The PC programs also need the following information in their setup data bits 8 stop bits 2 parity none handshaking flow control hardware For TERMINAL the settings are found by first selecting SETTINGS then COMMUNICATIONS 056 025 RevF QUESTemp II 4 11 10 Computer Downloading Using Windows QUESTEMP II Personal Temperature Monitor Serial Number JU1030001 Software Version Number 1 1 1 2 Start Time 11 34 Time
18. played and the unit will begin to log the ear aural temperature at 10 second intervals along with temperature of the second sensor located within the blue earmold If there is a thermometer plugged into the CAL jack and its temperature is in the range between 30 C and 42 C then its value will also be logged All data will be time averaged from 2 second samples While the instrument is in the RUN mode a small arrow will be displayed in the upper left corner of the display Turn the unit OFF to exit the RUN mode In the RUN mode the audible alarm will be activated if the EAR temperature exceeds the alarm level Turning the unit OFF or printing will abort the RUN mode If any of CLOCK PRINT RATE PRINT or CAL keys are pressed while QUESTemp II 4 Functions CLOCK PRINT RATE ALARM LEVEL 056 025 RevF 4 11 the RUN mode the display will show that function s setting but the unit will continue to data log and check the temperature To return the aural temperature to the display press the RUN key again Shows the current time Pressing CLOCK a second time will cause the right most digit of the time to flash and allows the clock time to be changed Cycle through each digit using the ARROW and ENTER keys in the same fashion as most digital watches to change the time Time is displayed in 24 hour format and is maintained in the unit even when it is turned off In addition a lithium battery backup will main
19. s package of 10 56 010 Sheaths for Calprobe package of 100 58 867 serial computer cable RS232 58 847 QUESTEMP II serial printer cable 56 904 Carrying case holds 6 units 56 905 Carrying case holds 10 units Service amp Warranty Service Policy The Quest product you have purchased is one of the finest instruments available It is backed by our full one year warranty which seeks complete customer satisfaction This is your assurance that you can expect prompt courteous service for your equipment from the entire Quest service organization 056 025 RevF QUESTemp II 4 11 20 Service amp Warranty Should your Quest equipment need to be returned for repair or recalibration please contact the Service Department at 1 800 245 0779 USA or Fax 414 567 4047 for a Return Authorization Number The RA number is valid for 30 days and must be shown on the shipping label and purchase order cover letter If you are unable to return instruments in that time call for RA number Send it prepaid and properly packed in the original shipping carton directly to Quest Technologies 510 S Worthington St Oconomowoc WI 53066 U S A Repair or replacement work done under warranty will be performed free of charge and the instrument will be returned to you prepaid Your copy or a photocopy of the Quest Registration Card will serve as proof of warranty should the factory require this information If for
20. stabilize It may be beneficial to run the sensor cable under clothing or fasten it to keep it from being snagged 2 the 2 ON RESET to clear old data if desired Put the unit in the RUN mode 3 Check the battery strength by pressing the BATTERY TEST key Replace the ALKALINE battery if Lo appears in the display 4 Calibrate the unit following the guidelines in CALIBRATION section page 12 5 If your situation requires it attach the front cover 6 Clip the QUESTEMP II housing to your belt or pocket and wear it throughout the work day or as needed 7 After use remove the earplug print out the data if desired and turn the unit OFF Indicators and Action ALARM If the alarm activates indicating that the body temperature has exceeded the set alarm level take appropriate measures to allow the body to cool itself and properly regulate its temperature Lowering the work load moving into a cooler environment and drinking cool liquids are all methods to help cool the body and avoid heat related injuries LOW If this indicator comes on replace the 9 volt ALKALINE battery as soon as possible e To preserve battery life be sure to turn the unit OFF when not in use 056 025 RevF QUESTemp II 4 11 Specifications 18 Specifications Specifications ACCURACY temperature sensor has an electronic accuracy of better than 0 1 C over the temperat
21. tain the time even when the 9 volt battery is removed Displays the rate at which sampled temperature data will be printed Pressing PRINT RATE a second time will cause the number in the display to flash and a new rate can be selected using the ARROW and ENTER keys Selectable rates are 10sec 30sec 1min 5min and 10min Note that this only affects the quantity of data printed not the amount of data actually stored in the unit Displays the current alarm level setting If ALARM LEVEL and ARROW are pressed simultaneously the displayed level will flash and can be altered between 38 C and 39 C using the ARROW and ENTER keys The alarm level may be changed only if the memory is clear prior to logging data Once run time has accumulated the unit must be reset to change the alarm level setting In the RUN mode the audible alarm will be activated if the EAR temperature exceeds the set alarm level In addition a secondary alarm will sound if the temperature exceeds 0 5 C above the initial chosen alarm level Toggles between Celsius and Fahrenheit while in the RUN mode Calibration and alarm levels operate in Celsius only QUESTemp II Functions BAT TEST gt ENTER RESET ON OFF 056 025 RevF 4 11 Shows the battery voltage strength in the display while sounding the audible alarm The actual battery voltage is displayed until the level falls below 7 5 volts Below 7 5V Lo appears in the display indicating that
22. the battery should be replaced with a new 9V alkaline The unit will operate for at least 8 hours from the time that Lo first appears Once the battery voltage falls below 7 2 volts the alarm will sound continuously and data logging will cease If this occurs turn the unit OFF and replace the battery with a new 9V alkaline ARROW key used to change a parameter for the following functions PRINT baud rate CLOCK PRINT RATE ALARM and CAL when manually entering the calibration data Enters a change in parameters when one of the following functions is selected and flashing PRINT CLOCK PRINT RATE ALARM or CAL When held down for 3 seconds it will clear all logged and calibration data All other unit settings remain unaltered Toggles between ON and OFF OFF will have a 3 second count down and is used to exit the RUN mode Note that turning the unit OFF will NOT reset or erase any of the logged data When the QUESTEMP II is turned ON the internal programming version number is displayed until a key is depressed QUESTemp II Printing 6 Printing Defaults The factory settings for the are as follows CLOCK U S Central Time PRINT baud rate 1200 Baud PRINT RATE 10 Seconds ALARM LEVEL 38 0 C CALibration LEVEL 0 C Temperature units Celsius The default settings for the CLOCK PRINT baud rate PRINT RATE and ALARM LEVEL can be changed by the user When the unit is powered OFF
23. ure range of 32 C to 40 C Body temperature range QUESTEMP CALPROBE I Oral Temperature Probe calibrators are interchangeable between units and have an accuracy of better than 0 05 C over the range of 30 C to 40 C BATTERY LIFE Using one 9 volt ALKALINE type NEDA 1604A battery the QUESTEMP Il under normal usage should last approximately 60 hours It will also continue to operate for a minimum of 8 hours after the LOW BATTery indicator first comes on A 3 volt lithium battery is used as backup power for the real time clock and the memory WORKING TEMPERATURE RANGE Both the oral probe and aural sensor are meant to operate at body temperature in the range of 32 C to 40 C The unit itself has an operating temperature range of 0 C to 70 C STORAGE If the unit is to be stored for prolonged periods the battery should be removed OPERATING HUMIDITY Operate between 0 95 humidity non condensing SIZE 2 5 x 5 1 x 1 0 inches 64 x 130 x 25mm WEIGHT Housing 10 ounces 283 grams Ear Sensor Assembly 0 15 ounces 4 2 grams 056 025 RevF QUESTemp II 4 11 Service Warranty 19 Accessories CONSTRUCTION The electronics are housed in a rugged cast aluminum case The earmold is constructed from an FDA approved GEON Accessories Part No 56 902 CALPROBE oral temperature probe with cable 56 099 Replacement E A R inserts package of 50 58 453 Replacement earloop
24. ves in environments posing a risk for heat related illnesses 056 025 RevF QUESTemp II 4 11 Functions 2 Functions The QUESTEMP II consists of a belt or pocket worn electronic assembly with a thin flexible cable leading up to a small earmold which contains the sensor and a small speaker for an audible alert The sensing device protrudes from the earmold and a disposable E A R foam earplug slides over the sensor providing a comfortable vehicle for inserting and maintaining the sensor The speaker and earmold remain just outside of the ear to completely avoid any possible damage or injury to the ear canal Functions Ambient Compensation Unique to the QUESTEMP II a second sensor located the earmold will sense and compensate for any non drastic changes less than 10 C in the thermal environment This is necessary because changes in the thermal environment will have an effect on the outer tissues of the body including the ear canal By compensating for these changes error induced by the environment is notably reduced The earmold temperature is data logged and included in the printout as an indicator of the changing thermal environment If the thermal environment changes drastically greater than 10 C then the QUESTEMP II should be recalibrated in that environment Keypad Functions A desired function is activated by simply depressing and releasing the corresponding key For the functions CAL PRINT CLOC
25. y with continued usages A properly fit E A R plug will be comfortable and should hold snug and secure in the ear canal It also provides good noise attenuation for those who would typically use hearing protection Ear Sensor Removal To remove the ear assembly after use simply grab the blue earmold slide the ear hanger off of the ear and pull the assembly out from the ear If the E A R plug separates from the assembly and remains in the ear canal then simply grab the black tube and pull it out The E A R earplug can easily be removed from the earmold assembly by gently holding the tip of the plug and sliding it off Do not squeeze the middle of the plug to remove or the sensor may be damaged Use care when removing or handling the ear sensor assembly Do not remove by pulling 056 025 RevF QUESTemp II 4 11 Operating 17 Operating on the cable and always be careful when handling the temperature sensor because it can be damaged if mishandled E A R Plug Care The E A R foam earplugs can be washed with soap and water and reused or they can simply be thrown away and replaced Remove the E A R plug from the blue earmold prior to washing e ifthe black tube separates from the yellow foam or if the plug does not slide properly over the temperature sensor discard the plug and try another Operating 1 Insert the ear sensor assembly as described in Section IV and allow 5 minutes for the temperature to
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