QUESTEMP 15 MANUAL
Contents
1. instructions for QUESTEMP 15 Area Heat Stress Monitor 56 070 11 97 Rev C TABLE OF CONTENTS I INTRODUCTION av IOE EEEE AAE ye ee le aladas IEA a ea e Rc E AA ee 4 I EEATURES AND OPERATION pu ieee spas adore se ele ve Bele Bt re yeti adas d a 4 DISBLAY cave air 6 tives cae ti DNA wel jove Meise ia 4 FEIER 5 a E A iS e fe ree aS hPa alate a EONNECTOR Saca Bi red AA le Shia Sep ia Po Serra AA E A 7 IET SENSORS vacia a A Ri 3 8 IV USING THE QUESTEMP Uca Sedat Aaa 9 Ms BATTERY REPLACEMENT e 2 6 cone ie oi elie Bb ote prone a as ae o dia a 9 VI CALIBRATION G sus aves td ic A iris E Goel 0 VII REMOTE MON TLTORING id obese toon EATA RERE ie hie Ca erence er ee 08 S fe eens asta od 0 VILII MULTIPLE SENSOR ARRAY OPERATION etica e acid 1 INDEPENDENT MULTIPLE AREA MONITORING 1 1 WBGT MEASUREMENTS WITH RESPECT TO THE TEMPERATURE UNIFORMITY OF AN ENVIRONMENT oooooooooooooo o l 1 ISO TRI SENSOR MOUNTING RACK oooooooooooooooo Z IX ALARM sto a a a O aaa DI eee ze eco cali oa 3 X DATA STORAGE una aa 6 co aa a aa a adan ape A 4 XI PRINTING DATA Scania ias a ae wrens alero a ata we sheen d 4 SAMPLE PRE NTE OU Tai dai al all 6 PRINTOUT DESCRIPTION be oie p88 le ted q XII USING THE QUESTEMP 15 WITH A PERSONAL COMPUTER 1 9 WAKE UP ALARM 2 reitera a ll 6 A is ds ed 9 ASCII COMMAND SEQUENCES Eren sida ac2. To connect the Questemp 15 to the PC simply plug the end of the cable marked HEAT STRESS MONITOR to the data port on the Questemp 15 and the end marked RS 232C TO COMPUTER to the appropriate COM port on your personal computer Be sure to set the baud rates to the same value on both units Refer to the PRINT KEY section of this manual To simply retrieve any stored data in the form of an ASCII text file refer to the section on PRINTING DATA WAKE UP ALARM The Questemp 15 has an internal clock calendar which allows a future power ON automatic wake up time to be programmed via the RS 232 port When the Questemp 15 turns on under wake up conditions it may be programmed to perform a sequence of tasks through the use of an auto execute buffer Refer to the ASCII COMMAND SEQUENCES section for programming instructions An example of programming the auto execute buffer is shown below Command Comment amp E O lt cr gt clear old data from auto execute buffer amp E 1l lt cr gt begin loading the auto execute buffer amp Z lt cr gt reset clear memory amp RT 4 0 0O lt cr gt start a 4 hour run period amp P lt cr gt after the run print the data amp O lt cr gt turn unit OFF amp E 2 lt cr gt quit loading the auto execute buffer amp W 2 3E 10 00 00 lt cr gt set the auto wake up for 10 00 Mon Fri amp X 2 lt cr gt enable auto execution for wake up mode The above commands will cause the Questemp 15 to automatically turn itself
3. this will be the only sensor set of data printed out For each sensor and WBGT index the maximum temperature that occurred over the entire run time is printed along with the time of occurrence For each sensor and WBGT index the minimum temperature that occurred over the entire run time is printed along with the time of occurrence 18 10 Tis 123 VI For each sensor and WBGT index the average temperature over the entire run time is printed Logged data for the WET bulb DRY bulb GLOBE WBGT Indoor WBGT Outdoor and WBGT Custom are printed according to the print rate An asterisk will appear under the alarm column if an alarm condition occurred at the corresponding time For a multiple sensor upgraded Questemp 15 sensor set 2 data is printed For a multiple sensor upgraded Questemp 15 sensor set 3 data is printed For a multiple sensor upgraded Questemp 15 the weighted WBGT averages of each of the three sensor sets is printed This information is useful when measuring using the three sensor set configuration per ISO 7243 19 XII USING THE QUESTEMP 15 WITH A PERSONAL COMPUTER The Questemp 15 can communicate with a PC via an RS 232C port All front panel control functions as well as a few additional functions may be invoked via ASCII commands A special RS 232C cable is available from Quest 056 936 for connection to a PC This is not the same as the RS 232C printer cable
4. n3 decimal fractions in hundredths nl n2 and n3 need not add up to 100 response same for all amp Q commands M10 Custom WBGT Wet nl Globe n2 Dry n3 27 Run Mode Control amp R lt cr gt Toggle Run mode amp RT hh mm ss lt cr gt Start timed run mode If this where command is in an Auto execute file it will delay the execution of the next command until the timed run is completed z hh number of hours mm number of minutes ss number of seconds response same for both commands M11 Run Mode now ACTIVE or M12 Run Mode now INACTIVE Operational Status S lt cr gt Get current Status response M13 Status Run Flag nl Run Time n2 sec Time Left n3 sec Alarm Flag n4 where nl Run Flag 0 not in run mode 1 Run Mode n2 elapsed Run Time in seconds n3 time left in timed run mode n4 Alarm Flag 0 no alarm 1 alarm condition Time Of Day amp T lt cr gt Get current time amp TS hh mm lt cr gt Set new time of day where respo hh hours in military time 0 23 mm minutes 0 59 nse same for both commands M14 Time hrs min sec 28 Output User Defined Messages amp U O lt cr gt send null code response null code amp U 1 string lt cr gt send string minus lt cr gt response string no lt cr gt amp U 2 string lt cr gt send string with lt cr gt response string with lt cr gt amp U 3 string lt cr gt send string with
5. outdoor WBGT index WBGT IN indoor WBGT index GLOBE temperature DRYBULB temperature and WETBULB temperature An additional measurement is WBGT CUST user defined WBGT index which will have a value if the parameters have been entered with a PC via the data port SENSOR This key is only active for the Questemp 15 upgraded with the three sensor option Depressing the SENSOR SET SET key will cause the indicated temperature to cycle through sensor set 1 2 and 3 as indicated on the display If three sensor sets are in use and a WBGT reading is being displayed an additional parameter AVG may be selected using this key This is the weighted average of the three WBGT indices per ISO 7243 2 WBGT1 WBGT2 WBGT3 4 WBGT weighted average Refer to the MULTIPLE SENSOR OPERATION section of this manual for more information on this measurement The RUN STOP key is a toggle function which will RUN start and stop data storage The RUN annunciator on the display indicates when the Questemp 15 is logging STOP data All data is logged at 30 second intervals While in the RUN mode CLOCK PRINT RATE ALARM and PRINT may be viewed but not altered The Questemp 15 has an internal real time clock calendar The date and time information will be CLOCK stored along with the data while in the data storage mode Depressing CLOCK will display the current time in 24 hour format To change the time depress CLOCK a second time which will
6. 0 1999 1999 199 9 degrees C n4 alarm relay state 0 no close contact to alarm 1 ne open contact to alarm response A03 Alarm Level array nl sensor n2 level n3 contact n4 Alarm Relay Control allows control of alarm relay independent of WBGT index An actual alarm occurrence will override this control and cause the relay to set and reset normally amp M lt cr gt Get relay status amp MS lt cr gt Set alarm relay to alarm position amp MR lt cr gt Reset alarm relay to no alarm position responses same for all amp M commands A04 Alarm Relay Contacts Closed or A05 Alarm Relay Contacts Open 26 Set No Echo Flag N O lt cr gt echo normally N l lt cr gt Don t echo RS232 commands response to both none On Off Control O lt CR gt Turn unit off response M09 Unit will turn off when DTR is reset RTS signal will turn power to the unit on Printout amp P lt cr gt Execute normal Printout If the parallel interface has been selected by the keypad the printout will go to the parallel printer If the serial interface is selected the printout will go to the serial interface Using a combination cable a remote RS 232 command Can Cause a printout to a parallel printer to occur Custom WBGT Control amp Q lt cr gt Get custom WBGT factors amp QS n1 n2 n3 lt cr gt Set custom WBGT factors to define the equation WBGT nl x WETBULB n2 x DRYBULB n3 x GLOBE where nl n2
7. ACEESSORLES ya eric rai EER tence DAEN EAA DAAE E AAE DA 32 XV APPENDIX it ao si E E A sew E EE ete 8 33 XVI SERVICE AND WARRANTY POLICY ias ia as ays en st elon 6168 34 o wecT cusT_ 123 AVG pseu SENSOR Se 0 0 B g gt t WBGT_IN a GLOBE o oF DRYBULB UVa UV Ha coc PRINT WETBULB RUN LOBAT fare e CAF PRINT QUESTEMP 15 Ld Y AREA HEAT STRESS MONITOR ENTER RESET QUEST AAA SS Qee Figure 1 Questemp 15 I INTRODUCTION The Questemp 15 is a compact portable area heat stress monitor which computes the WBGT index The WBGT index is an accepted method for determining the heat stress level imposed on an individual in a given environment The Questemp 15 measures three parameters ambient or dry bulb temperature DB natural wet bulb temperature WB and globe temperature G The WBGT index is a weighted average of these measurements according to the formulas WBGT indoor 0 7WB 0 3G WBGT outdoor 0 7WB 0 2G 0 1DB The Questemp 15 will display indoor or outdoor WBGT as well as any of the individual sensor temperatures used to compute the WBGT reading In addition the customer may modify the constants via a PC to create a custom WBGT index Temperature may be displayed in either degrees Celsius or Fahrenheit The t
8. SET 3 LOW AVG TEMP TEMP WET BULB 103 103 7 DRY BULB 107 107 3 GLOBE 112 118 7 WBGT IN 106 107 2 WBGT OUT 107 107 1 WBGT CUSTOM 108 109 0 TIME WET DRY GLOBE WBGT_I WBGT_O WBGT_C ALARM 13 103 1 107 0 112 5 106 2 106 0 108 3 23 103 3 107 2 114 3 106 5 106 3 108 6 33 103 8 107 3 117 2 107 3 107 1 108 8 43 103 9 107 5 119 1 107 5 107 3 109 4 53 104 0 107 6 120 6 107 9 107 6 109 7 03 104 0 107 6 122 3 108 1 107 7 109 9 13 104 0 107 5 121 9 108 0 107 6 109 8 PRINTOUT DESCRIPTION 1 Za The date when the first run period occurred is shown Start time shows when the unit was first put into the RUN mode End time shows when the unit was last taken out of the RUN mode Total run time refers to the total amount of time spent in the RUN mode An asterisk will appear after the total run time if multiple run periods took place At the time of printing the current alarm level settings are shown Print rate refers to the frequency which logged data is printed Data is logged every 30 seconds in the RUN mode but the print rate is used to condense the data As an example a 10 minute print rate would print every twentieth set of temperature information every 10 minutes The WBGT custom formula is shown The formula can only be entered into the Questemp 15 via a personal computer Sensor set 1 refers to the sensor rack plugged into the top of the unit For a standard Questemp 15 without the multiple sensor upgrade
9. lt cr gt lt 1f gt response string with lt cr gt lt lf gt amp U 4 HHH lt cr gt send hex data character one hex character only response hex character amp U 5 nl n2 lt cr gt send Temp in deg C of sensor bar ISO avg 0 1 2 3 nl and sensor WBGT 0 1 2 3 4 5 n2 response degree C of appropriate sensor combination amp U 6 nl n2 lt cr gt send Temp in deg F of sensor bar ISO avg 0 1 2 3 nl and sensor WBGT 0 1 2 3 4 5 n2 response degree F of appropriate sensor combination Print Rate Control amp V lt cr gt Get current print rate amp VS nl lt cr gt Set new print rate where nl print rate 30 seconds 1 minute 2 minutes 5 minutes 10 minutes 15 minutes 30 minutes 60 minutes JAO5WNRAO I response same for both commands M15 Print Rate nl 29 Wake up Alarm control amp W lt cr gt Get current wake up alarm setting response M22 Automatic Wake up Disabled M23 Date ake up Enabled for mm dd at hh mm ss amp W O lt cr gt Disable wake up alarm response M22 Automatic Wake up Disabled amp W 1 mm dd hh mm ss lt cr gt Set date time wake up alarm where mm month 1 12 dd day of the month 1 31 hh hours in military time 0 23 mm minutes 0 59 ss seconds 0 59 response M23 Date Wake up Enabled for mm dd at hh mm ss amp W 2 wd hh mm ss lt cr gt Set days of the week wake up alarm where wd which days of the week 1 Sunday 2 Monday 6 351 4 Tuesda
10. the RUN STOP key data storage is either started or stopped Data storage is indicated by the RUN annunciator on the display Data is stored in a sequential manner Starting and stopping data storage without clearing the memory simply adds the new data after the old All data stored is treated as one block whether or not it is time continuous If the memory fills data storage stops and FULL will be displayed The RUN annunciator will turn off indicating that data storage has stopped Depress any key to restore normal operation To erase all data points depress and hold the RESET key for three seconds The display will count down from 3 to 0 Releasing the key prior to zero will leave the data intact A data point consists of the time and the temperatures of the GLOBE WETBULB and DRYBULB sensors Data is stored every thirty seconds while in RUN The Questemp 15 has the capacity to store 41 hours of data for a single sensor array Multiple sensors if used will also have their temperatures stored This will reduce the available RUN time to 18 hours for two sensor arrays or 12 hours for three sensor arrays While in the RUN mode the CLOCK PRINT RATE ALARM and PRINT function settings may be viewed but not altered The Questemp 15 with the 3 sensor option will only store data from sensors which are connected at the time RUN is depressed During a RUN period plugging in an additional sensor will not add that sensor s data to the printout Depr
11. ON at 10 00am every Monday through Friday It will then reset the old memory run for four hours print the data and turn itself OFF until 10 00am the next weekday NOTE When turning the unit off the display counts down from 3 If the display shows 3 2 1 0 it is indicating that the Wake up Alarm is disabled If the display shows 3 2 1 ALE ALarm Enable it is indicating that the Wake up Alarm is enabled and the unit will turn on at the programmed time To disable the Wake up Alarm from the keypad simply depress and hold down the ON OFF and RESET keys for the countdown 20 ASCII COMMAND SEQUENCES NOTE All temperature data returned from the Questemp 15 in response to an ASCII command sequence will be in degrees Celsius and will not contain decimal points As an example a returned temperature of 345 would be 34 5 C Unit Identification lt cr gt Get unit serial number amp revision response Questemp 15 Version 1 3 Serial KL1040001la Temperature Readings amp A lt cr gt Get temperature being displayed in C response M02 Temp n1 n2 nnnn where nl which data set 0 sensor bar 1 1 sensor bar 2 2 sensor bar 3 3 ISO average n2 which temperature wet bulb dry bulb globe indoor WBGT outdoor WBGT custom WBGT OBWNRO i amp AG nl n2 lt cr gt Get Specified temperature in C where nl which data set 0 sensor bar 1 1 sensor bar 2 2 sensor bar 3 3 I
12. Pp 0 7 hen the assigned WBGT index or sensor temperature equals or ex ceeds the hreshold three things will happen to signal the operator da 1 The temperature display will flash alternately T displaying the selected temperature and AL 2 he alarm relay available via the ALARM jack will witch states i e if the alarm was set up to be ormally open no then it will switch states to close he contacts top HH 3 The following message will be sent out via the data port A01 05 23 91 11 02 0 Temp Alarm TRIGGERED When the assigned WBGT index or sensor temperature drops below the threshold three things will happen to signal the operator 1 The display will stop flashing 2 The alarm relay will switch back to its normal state normally open or normally closed as programmed in the ALARM menu 3 The following message will be sent out via the data port A02 05 23 91 11 09 2 Temp Alarm RESET Any assigned WBGT index or individual sensor temperature that exceeds the alarm level will be indicated on a printout The alarm level indicated will be that programmed at the time of printing CAUTION the printed alarm level setting may be altered prior to printing For details regarding programming the alarm and connecting the ALARM jack to external equipment refer to the ALARM key ALARM jack and ASCII COMMAND SEQUENCES sections of this manual X DATA STORAGE 14 By depressing
13. SO average n2 which temperature wet bulb dry bulb globe indoor WBGT outdoor WBGT custom WBGT OBWNEO Il 21 response M02 Temp n1 n2 nnnn amp AS n1 n2 lt cr gt Specify temperature to be displayed in currently selected units where nl which data set 0 sensor bar 1 sensor bar 2 sensor bar 3 ISO average 1 2 3 n2 which temperature wet bulb dry bulb globe indoor WBGT outdoor WBGT custom WBGT NMN swWNRO I response M01 New Display nl n2 Echo Flag Control amp AE lt cr gt Report echo status response M29 Timed Echo Flag Set M30 Timed Echo Flag Reset amp AE O lt cr gt Reset timed echo flag response M30 Timed Echo Flag Reset amp AE 1 lt cr gt Set timed echo flag response M29 Timed Echo Flag Set The timed echo flag controls the echoing every second of the sensor array temperatures When the flag is set the following data will be sent every second ML t P01 01 ETOT ELT ERO P2 ELERON irets t 2 2 The timed echo flag is reset by any of the following the amp AE 0 command reseting the rts signal or turning the QT 15 s power Of fs Check Battery Level amp B lt cr gt Check Battery Level response M03 Battery Level OK 22 or M04 Battery Level Low Date Control amp D lt cr gt Get current Date response M06 Date 5 23 1991 amp DS mm dd yyyy lt cr gt Set new Date where mm dd response M06 Date Auto Execute B
14. ay be printed at any time See PRINTING DATA for more information The ARROW key is used to change menu selections while programming the Questemp 15 ENTER Depressing this key causes a menu selection to be stored in memory All menu selections are saved through subsequent power ON OFF cycles RESET Depressing RESET and holding for 3 seconds clears the data memory The display will count down from 3 to 0 followed briefly by dashes ON OFF Depressing ON OFF turns on power to the Questemp 15 Depressing and holding ON OFF for 3 seconds turns off power to the unit The display will count down from 3 displaying either 3210 or 32 1 ALE if the Wake up Alarm is enabled Refer to Wake up Alarm section for details Turning the unit off does not clear the data from memory WWW Y CONNECTORS DATA PORT The data port is a 25 pin D sub connector which may be used as either a printer output or a RS 232C port A parallel printer may be connected to the Questemp 15 via a standard IBM PC to Centronics interface cable Quest model 056 019 The data port may be connected to a RS 232C serial printer via a custom cable Quest 056 922 The data port may also be used for connection to the RS 232C port of a PC for sending data to the PC or controlling the Questemp 15 from the PC This is accomplished via a custom cable Quest 056 937 ALARM JACK The alarm jack connects to a set of relay contacts which are activated if the programmed alarm valu
15. cause the single minutes digit to flash Depressing the ARROW key will increment the value for minutes Depressing ENTER will store this value and cause the tens of minutes digit to flash Use the ARROW and ENTER keys in the same manner to select and store the tens of minutes single hours and tens of hours digits After storing the time the display will show month and day which are set in the same way After depressing ENTER to store the tens of months digit the year will be displayed which is set in the same manner After setting the year the display will return to the selected temperature To simply review the time and date depress CLOCK followed by ENTER three times PRINT he PRINT RATE key determines the time interval etween data points on the printout The Questemp 15 RATE tores data every thirty seconds regardless of this rintout The Questemp 15 prints according to the print T b s setting but the user may wish to condense the P the time of printing not that selected while storing r te selected at data The output data interval is programmable from 30 seconds to 1 hour Depressing the PRINT RATE key displays the previously selected time between data points To change this time depress PRINT RATE a second time which will cause the display to flash Depressing the ARROW key will step through the choices 5 1 2 5 10 15 30 and 60 minutes Depressing ENTER stores this value and returns the display to tempera
16. e is exceeded These contacts may be used to alert external equipment that the alarm temperature has been exceeded The contacts may be programmed to either open or close when the alarm temperature is exceeded Refer to the ALARM KEY section for details The jack is a miniature phone type 1 8 The relay contacts are rated at 1A 30VDC and are isolated from the circuitry of the Questemp 15 THE ALARM JACK SHOULD NEVER BE CONNECTED TO AC LINE VOLTAGE 120V TO CONTROL AC LINE VOLTAGE THE ALARM JACK MUST CONTROL AN INTERMEDIATE ISOLATED SWITCHING DEVICE CONTACT QUEST TECHNOLOGIES FOR DETAILS SENSOR 2 AND SENSOR 3 JACKS The sensor 2 and 3 Jacks are part of a hardware upgrade option that will allow simultaneous monitoring of up to three sensor arrays The data from these arrays may be analyzed separately or combined into a weighted average WBGT reading per ISO 7243 AC ADAPTER JACK This jack accepts an optional AC adapter Quest model 056 067 to power the Questemp 15 from 115 VAC power The jack is a miniature phone type 1 8 and accepts 9 to 12VDC The jack polarity is tip positive Use of the adapter automatically disconnects the battery III SENSORS NATURAL WET BULB THERMOMETER The natural wet bulb thermometer gives an indication of the effects of humidity on an individual Relative humidity and wind speed are taken into account by measuring the amount of evaporative cooling taking place at a thermometer covered with a m
17. emperature sensor array is easily removed for remote sensing applications Up to 4 hours of temperature data may be stored in the Questemp 15 s internal battery backed memory A data output port allows connection to a serial or parallel printer or to a personal computer An alarm temperature may be set which allows the unit to be used for on site monitoring The alarm will operate a relay which may be used to interface the Questemp 15 to external equipment The Questemp 15 has a hardware upgrade available which will allow three sensor arrays to be used for simultaneous temperature monitoring of three different locations These three WBGT readings may be averaged per ISO 7243 to obtain a composite index II FEATURES AND OPERATION DISPLAY The large liquid crystal display indicates the selected temperature reading in degrees C or F Separate annunciators to the left of the temperature indicate which reading is being displayed The annunciators 1 2 3 indicate which sensor array s reading is being displayed in a multiple sensor array application The AVG annunciator indicates that the weighted average of three sensor arrays per ISO 7243 is being displayed for a selected WBGT index The RUN indicator shows that data logging is being performed A low battery indicator LOBAT is also included KEYPAD Depressing the DISPLAY key will cause the displayed DISPLAY temperature to cycle through the following measurements WBGT OUT
18. es n3 seconds response none Unit Reset amp Z lt cr gt Reset clear logging data memory response M16 Unit Reset Alarms When a temperature alarm occurs the QT 15 will send a message over the RS 232 port if the RTS signal is present A01 05 23 1991 13 12 05 Temp Alarm TRIGGERED A02 05 23 1991 16 23 45 Temp Alarm RESET 31 Command Errors If the OT 15 receives a command that it does not understand it will respond with the following message M99 Command Error RS 232C CABLE CONNECTIONS The pinout for the DATA PORT connector is shown in Figure 4 All other pins are used for connection to a parallel printer and must not be connected for serial operation When connected to a serial printer the Questemp 15 is DTE and the printer is DCE When connected to a personal computer the Questemp 15 is DCE and the computer is DTE The data word has 8 data bits 1 stop bit and no parity To set the baud rate refer to the PRINT key section of this manual An RTS signal will always turn power to the unit ON QUESTEMP 15 PRINTER MALE MALE 25 13 2 DATA 13 12 10 NUA ON lt DATA 14 SHIELD QUESTEMP 15 PERSONAL COMPUTER MALE FEMALE 25 13 DATA 13 12 10 lt DATA 14 SHIELD NUAN Figure 16 RS 232 CABLE CONFIGURATIONS 32 XIII SPECIFICATIONS Size Width 6 5 165mm Height 10 254mm Depth 2 51mm Dimensions
19. es do ae 20 Unit Identification cir a aa 20 Temperature ReadinYGS o oo ooooooooooomonon 20 Echo Elag Contloli ina aa ae aiii 21 Check Battery ewe oc ii il ts da 21 DATES CONTO Lia Ls e ds y et aa de 22 Auto Ex cut Butter Controlar ers 22 Set Display UNES a o ao adios See whee eee 23 Restart Auto EXSGuCLON Salers ne eien ale copie ais a roe jaa 23 Geg e Lo A O wicde Size ve Gale Ue 23 Tdentification Codes iaa aca dejara 23 set Baud Rates poi ao A EE ds 23 Keypad ECHO TOCOL u aia a AE Sloe 4s 24 AAP COREL LAA O RAS Rs 25 Alarm Relay CONCLOL ss cbr it e Sheu g 25 Set No Echo EVA ss A ole Sed oie ag 26 OR OE LE CONTIG lc id a ii help santa B48 26 PYANCOUC eieae ena ye tere ia Wee OS Wee fo iia Me 26 Custom WBGT COmtLOd ass a ese ei sige Soe aa ars erates 26 Run Mode Control esis SS EE See Sree a iia 27 Operational SEACUS ema ee eT Stee Oe Bese ee 27 TAME OP Dayo se siya ie a a a Bale Sana ie Me 27 Output User Defined MessageS o ooooo momo ooo 28 Print Rate Control art Ai latinas 28 Wake up Alarm Control veis eke craters 9 1519 cone eje A 29 Auto ERE CULES Control aies feelers ere ions e dee yo Wire 8 ie 30 Timed DSL Ya cias re ainda acus 30 UNE RES SE eo a sis 30 2 ADAMS E a RA ONE ADS IA deta ti 30 Command ELLOLS olaaa Were daa and eels dba Sele ts Boece 30 RS 232 CABLE CONNECTIONS ma as a a cele do 31 AEDT A GRECOLE TEE LON Sie a EE EA woe a li AREALE cad 32 KIEV
20. essing RUN twice to stop and restart data collection will activate that sensor XI PRINTING DATA A parallel or serial printer may be used to obtain a hardcopy of data stored in the Questemp 15 The printer is connected via the DATA PORT 25 pin connector located on the left side of the unit To configure the Questemp 15 for a printer type and to set the baud rate for a serial printer refer to the menu instructions under the PRINT KEY section of this manual To connect a parallel printer to the Questemp 15 use a standard PC printer able Quest 056 019 Connect the 25 pin male plug to the DATA PORT and he 36 pin Centronics plug to the parallel printer a To connect a serial RS 232C printer to the Questemp 15 a special cable is available from Quest 056 922 One end of this cable is labeled HEAT STRESS MONITOR END and must be connected to the DATA PORT on the Questemp 15 The other end is labeled RS 232C TO PRINTER and must be plugged into the printer The baud rate must be set the same on both the printer and the Questemp 15 To print data depress the PRINT key followed by the ENTER key Depressing PRINT again will abort the printout The Questemp 15 will automatically print the data for each sensor array present at the beginning of data storage After printing the data for the third array if all three sensor arrays are present the weighted average ES data for the three sensors per ISO 7243 will be pr
21. illed V BATTERY REPLACEMENT The LOBAT indicator on the display shows that the battery should be replaced When the LOBAT indicator first turns on it indicates approximately 8 hours o life for an alkaline battery If run with a low battery the unit will run u T ntil the battery voltage falls to a level below which the Questemp 15 cannot un effectively The unit will then stop running and momentarily display LbAt before shutting itself down in an orderly fashion The battery ompartment is located on the rear of the Questemp 15 To replace the attery open the compartment by lifting one end of the cover This will xpose the battery and connector Replace only with a standard 9 volt alkaline battery NEDA 1604A oora To retain data and clock calendar settings it is recommended that the 9 volt battery be left in the Questemp 15 This is the primary memory backup battery An internal lithium cell will retain the memory during battery changes but it is not recommended that the unit be left for long periods without a battery When the Questemp 15 is operated from the AC line the 9 volt battery is automatically disconnected from the circuit If AC line power is removed the power supply plug should be removed from the Questemp 15 and the unit shut off so that the 9 volt battery can resume primary memory backup VI CALIBRATION 10 A calibration sensor module Quest model 056 937 is included for verifying the
22. 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 33
23. include a mounted sensor assembly Weight 28 oz 800 g with mounted sensor assembly Temperature Sensors 1000 ohm platinum RTD 3 85 ohm C Temperature Sensor Accuracy 0 5 degree C from 0 C to 100 C 1 0 degree above 100 C Ambient Operating Temperature Range Questemp 15 0 to 60 degrees C Sensor Assembly 0 to 100 degrees C Operating Humidity Range Electronics 0 to 95 non condensing Sensor Assembly 0 to 100 non submersible Response Time typical Dry Bulb 2 minutes Globe 12 minutes Wet Bulb 10 minutes Power Requirements One 9 volt alkaline battery NEDA 1604A or optional AC adapter 2 3mA typical current drain without using RS 232C 20mA typical while using the RS 232C port Battery Life 100 hours minimum using RS 232C decreases life Effects Due To External Fields Tested for RF susceptibility with less than 0 3 C error at field strengths to 10V m over the frequency range of 10MHz to 500MHz XIV ACCESSORIES SC 25 25 foot shielded remote sensor cable 056 924 SC 5 5 foot shielded remote sensor cable 056 944 Model 920 AC adapter 056 067 TP 1 Tripod 059 045 RWS 1 Replacement wicks 10 and sponges 3 056 056 WB 1 Water Bottle 2 oz 056 068 CSM 1 Calibration sensor module 056 937 33 SA 2 Sensor array with 2 inch diameter globe 056 941 SA 6 Sensor array with 6 inch diameter globe 056 945 RS 232C cable for serial printer 25 pin male 056 922 RS 232C cable for perso
24. inted The printout in the form of an ASCII text file may be sent to an IBM compatible PC via the RS 232C port No special software is needed Prior to depressing the PRINT key on the QUESTEMP 15 type the following simple commands at the DOS prompt MODE COM baud N 8 1 P lt ENTER gt COPY COM filename lt ENTER gt where is the number of the communications COM port to which the Questemp 15 is connected 1 2 etc baud is the baud rate for which the QUESTEMP15 is currently set filename is any acceptable 8 character MS DOS filename NOTE All temperature data is printed in either degrees Celsius or Fahrenheit depending upon which mode the Questemp 15 is in at the time of printing A typical printout followed by a description is shown on the following pages 16 SAMPLE PRINTOUT QUEST TECHNOLOGIES QUESTEMP 15 WBGT AREA HEAT STRESS MONITOR Software Version Number 1 9 Serial Number KL1040001 Date 7 APR 91 Start Time 11 13 15 End Time 12 13 39 Total Run Time 01 00 14 Alarm Level Setting Sensor Set 1 WBGT OUT 107 5 degree F Print Rate 10 minute WBGT CUSTOM 0 50 WB 0 50 GLOBE 0 00 DB SENSOR SET 1 WET BULB DRY BULB GLOBE WBGT IN WBGT OUT WBGT CUSTOM 1 3 FOUBRWN WWWWWW Pobra oo0o0oooo HS HS LO A WET BULB DRY BULB GLOBE WBGT IN WBGT OUT WBGT CUSTOM ALARM t3 HONBWN WWWWWW 17 SAMPLE PRINTOUT x SENSOR
25. mber 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 a new RA number Send it prepaid and properly packed in the original shipping carton directly to Quest Technologies 1060 Corporate Center Dr 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 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 262 567 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
26. nal computer 25 pin female 056 936 Parallel printer cable 36 pin Centronics 056 019 Carrying Case for Questemp 15 and accessories 056 939 Carrying Case for QT 15M 3 3 sensor option kit 056 940 includes tripod brackets with rod Quest Suite for Windows PC support software XV APPENDICES Appendix A CONVERSION FORMULAS wees SLICE 32 F S 5 C 32 Appendix B HEAT EXPOSURE TABLES Permissible Heat Exposure Threshold Limit Values Values are given in C WBGT Work Rest Regimen Work Load Light Moderate Heavy Continuous Work 30 0 26 7 25 0 75 Work 25 Rest each hour 30 6 28 0 25 09 50 Work 50 Rest each hour 31 4 29 4 27 9 25 Work 75 Rest each hour S252 Svcd 30 0 from American Conference of Governmental Industrial Hygienists Threshold Limit Values and Biological Exposure Indices for 1990 1991 Reprinted with permission from ACGIH 34 XVI SERVICE AND WARRANTY POLICY 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 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 262 567 4047 for a Return Authorization Nu
27. oistened wick The Questemp 15 uses a cotton wick immersed into a reservoir which must be kept filled with distilled water Ordinary tap water should not be used as the contaminants that are left behind after evaporation will shorten the life of the wick and cause high readings If the wick is discolored it should be replaced To replace the wick slide the old wick and sponge off the top of the sensor Place a new wick over the sensor making sure that the bottom of the wick is down in the reservoir Slide the sponge over the wick and into the reservoir GLOBE THERMOMETER The globe thermometer gives an indication of the radiant heat exposure to an individual due to either direct light or hot objects in the environment This is accomplished by placing a temperature sensor inside a blackened copper sphere and measuring the temperature rise The WBGT index is based on the response of a 6 inch diameter globe The Questemp 15 uses a 2 inch diameter globe for a faster response time The temperature of the 2 inch globe is correlated to match that of a 6 inch globe As an option a sensor array with a 6 inch diameter globe is available DRY BULB THERMOMETER The dry bulb thermometer measures the ambient air temperature This measurement is used in the outdoor WBGT calculation when a high solar radiant heat load may be present IV USING THE QUESTEMP 15 When making an area heat stress measurement the Questemp 15 should be placed a
28. ounting 11 VIII MULTIPLE SENSOR OPERATION INDEPENDENT MULTIPLE AREA MONITORING An upgraded Questemp 15 with multiple sensors may be used to monitor up to 3 separate areas Simply connect additional sensor arrays to the SENSOR 2 and SENSOR 3 jacks with remote cables By depressing the SENSOR SET key you can select the temperature of any one of sensor arrays 1 2 or 3 to be displayed The measurement will be that selected by using the DISPLAY key Attempting to read the temperature of an empty sensor array Jack will display WBGT MEASUREMENTS WITH RESPECT TO THE TEMPERATURE UNIFORMITY OF AN ENVIRONMENT per ISO 7243 1989 When the temperature in the space surrounding a worker does not O Figure 14 ASSEMBLED RACK 12 have a constant value it is necessary to determine the WBGT index at three heights corresponding to the worker s ankles abdomen and head and perform a weighted average on those values This value is displayed by using the SENSOR SET key to select AVG and is computed using the formula WBGT WBGT 2 x WBGTojgomen WBGT 4 head ankles The Questemp 15 always assigns SENSOR 1 the double weighting This calculation is only valid for 3 WBGT indices The Questemp 15 will only display this value if a WBGT display has been selected using the DISPLAY key and if 3 sensor sets are connec
29. p IS KL1040001la lt cr gt Set unit serial number response Questemp 15 Version 1 3 Serial KL104000la Set Baud Rate amp J n lt cr gt Where n 0 9600 4 600 1 4800 5 300 2 2400 6 Prll 3 1200 response none 24 Keypad Echo control amp K lt cr gt Get response amp K O lt cr gt Res response amp K l lt cr gt Set response When the keypad ec code will be echoe automatically rese Key disp cloc C F ente sens prin prin rese run alar adva on o rese Rese on o keypad echo status 27 eypad echo Flag Set or 28 eypad echo Flag Reset et keypad echo flag 28 eypad echo Flag Reset keypad Echo flag ZT eypad echo Flag Set ho flag is set every time a key is pressed its key d or transmitted out the serial port This flag is t when the Questemp 15 is powered on Questemp 15 Keypad Codes Hex ASCII lay 0x16 V k 0x26 amp 0x46 F r 0x86 ors 0x15 U t rate 0x25 t 0x45 E t 0x85 a 0x13 S m 0x23 nce 0x43 C fE 0x83 t on off 0x52 R t Countdown 0x30 count w w NN RR oo ff Countdown 0x30 count 25 Alarm control amp L lt cr gt Get current alarm settings amp LS n1 n2 n3 n4 lt cr gt Set alarm level where nl which data set 0 sensor bar 1 1 sensor bar 2 2 sensor bar 3 3 ISO average n2 which temperature 0 wet bulb 1 dry bulb 2 globe 3 indoor WBGT 4 outdoor WBGT 5 custom WBGT n3 alarm level
30. t a height of 3 5 feet 1 1m for standing individuals or 2 feet 6m for seated individuals in the area Tripod mounting is recommended to get the unit away from anything that might block radiant heat or airflow A 1 4 x20 threaded bushing is available on the bottom of the Questemp 15 for mounting to a standard photographic tripod Do not stand close to the unit during sampling Make sure that the wetbulb reservoir is filled with distilled water After adding water or placing the unit in a new environment allow ten minutes for the globe and wet bulb readings to stabilize Turn on the Questemp 15 by depressing the ON OFF key All segments on the display will momentarily turn on followed by a brief display showing the software revision number If the unit contains any previous run time the display will momentarily display dAtA Check the display for the low battery indicator and replace the battery if LOBAT is displayed If the battery is good enough to turn the unit on but too low to run effectively LbAt will be displayed momentarily before the unit shuts down If this occurs replace the battery Select the desired temperature display by depressing the appropriate key Select the temperature units by depressing the C F key If data storage is desired depress and hold RESET to clear any old data from memory and then depress RUN If the memory is not reset the new data will be appended to the previous data until the available memory is f
31. ted Otherwise will be displayed For further information refer to ISO 7243 1989 E Hot environments Estimation of the heat stress on working man based on the WBGT index QUEST ISO TRI SENSOR MOUNTING RACK The Questemp 15 with 3 sensor option comes with a tripod and hardware for mounting the sensor arrays at the proper heights to as SCREWS INTO SENSOR ARRAY I UPPER AND LOWER RODS SCREW TOGETHER EXTENSION CABLES PLUG INTO SENSOR 2 AND SENSOR 3 JACKS Ti IN Es SUPPORT BRACKET MOUNTS BETWEEN LOWER ROD AND TRIPOD THUMB SCREW SCREWS INTO THREADED HOLE IN UNIT THUMB SCREWS SCREW INTO THREADED HOLES IN FLOOR MOUNT perform the Figure 15 Tri Sensor Rack Assembly 13 weighted average WBGT reading To assemble this mounting rack refer to Figure 3 The Questemp 15 electronics must be mounted in the center abdomen position for the proper weighted average calculation Figure 2 shows the fully assembled mounting rack IX ALARM he Questemp 15 has an alarm feature which will signal the user that the nvironment is above a user selectable WBGT index This threshold may be ssigned to any one of the WBGT indexes for one of sensor sets 1 2 3 or verage In addition the temperature read by any single sensor wet bulb ry bulb or globe of any sensor set may also serve as an alarm threshold his feature is avail able as a serial command only and may not be set hrough the keypad SHO
32. temperature accuracy of the Questemp 15 To check the calibration remove the sensor assembly and plug the calibration module into the Questemp 15 With the unit set to read in degrees Celsius repeatedly depress the DISPLAY key and verify that the readings match those printed on the module within 0 5 C If the readings are not within the 0 5 C tolerance then have the unit serviced and or calibrated VII REMOTE MONITORING In some applications it may be desirable to have the sensors remote from the Questemp 15 An example might be an ambient temperature environment above the 60 C temperature rating of the Questemp 15 electronics The sensors may be removed from the Questemp 15 and connected via an extension cable or cables A 25 foot shielded extension cable is available from Quest model 056 924 The Questemp 15 will operate with up to 100 feet of cable with no loss of accuracy The user should be cautioned that using long lengths of cable in environments with a high amount of electrical noise may cause interference To remove the sensor array unscrew the knurled knobs on the top of the array Pull the sensor array straight up from the body of the Questemp 15 to disengage the connector between the two The extension cable may now be connected between the 9 pin connector on the bottom of the sensor array and that on the top of the Questemp 15 A 1 4 x20 threaded bushing is available on the bottom of the sensor array for tripod m
33. the alarm temperature nc stands for normally closed contacts which will open when the alarm temperature is reached or exceeded This choice allows flexibility when interfacing the Questemp 15 with external equipment Depressing the ARROW key will toggle between nc and no Depressing ENTER will store your choice and return to the temperature display See ALARM JACK for further information Depressing this key causes the displayed temperature BM of or WBGT index to switch between degrees Celsius or CF degrees Fahrenheit The printout obtained from the data port will also be in the selected temperature units Depressing the PRINT key causes the baud rate to be PRINT displayed If the Questemp 15 is set up for a parallel printer Prll will be displayed To select a different baud rate or a parallel printer depress PRINT a second time This will cause the display to flash and the selection may be changed by depressing the ARROW key The choices are 300 600 1200 2400 4800 9600 baud or parallel Depressing the ENTER key stores this selection and causes data to be sent via the data port to a printer While printing Prin will be displayed After printing the temperature display will return During a printout depressing PRINT again will halt printing and return to the temperature display This may be useful for changing printout parameters such as temperature units or sample rate Data will be retained in the unit and m
34. ture The ALARM key is used to set a threshold temperature for a particular WBGT reading Depressing ALARM displays AL and the current sensor set and WBGT index ALARM ot individual sensor reading which will trigger the alarm To change these settings depress ALARM a second time Warning Individual sensor alarm levels are only settable serially pressing alarm a second time will cause a default to WBGT OUT Using the DISPLAY and SENSOR SET keys select the WBGT index WBGTOUT WBGTIN or WBGTCUST and the sensor set 1 2 3 or AVG for which you wish to program an alarm Depressing ENTER stores that information and displays the current alarm temperature in degrees C or F To change units depress the C F key and the temperature will be converted To accept this temperature depress ENTER To change this temperature depress the ARROW key The tenths digit will begin flashing and its value may be incremented by depressing the ARROW key Depressing ENTER will store the displayed value and cause the ones digit to flash Using the ARROW and ENTER keys program the remaining digits Once you begin to change the temperature the units may not be changed The maximum alarm temperature is 199 9 C 391 8 F After entering the hundreds digit the display will show either no or nc in reference to the relay contacts available at the ALARM jack no stands for normally open relay contacts which will close when the temperature reaches or exceeds
35. uffer Control month 1 12 day of month 1 31 yyyy year i e 1991 5 23 1991 amp E O lt cr gt Clear auto execute buffer response M18 Execute Buffer Load Flag Reset nn bytes used nn bytes free amp E l lt cr gt Load following commands to auto execute buffer response amp E 2 lt cr gt Stop loading response M17 Execute Buffer Load Flag Set nn bytes used nn bytes free commands to auto execute buffer M18 Execute Buffer Load Flag reset nn bytes used nn bytes free amp E 3 lt cr gt List commands in auto execute buffer response M21 Auto Execute Buffer Listing commands in buffer M17 Execute bytes used M18 Execute bytes used Buffer Load Flag Set nn nn bytes free or Buffer Load Flag reset nn nn bytes free 23 Set Display Units amp F lt cr gt Get current display units response M07 Display set to degrees C 08 Display pea to degrees F amp F O lt cr gt Set Degrees C response M07 Display set to degrees C amp F l lt cr gt Set Degrees F response M08 Display set to degrees F Restart Auto Execution amp G lt cr gt Go to start of auto execute file Only functions when autoexecuting response none Get Hexdump amp H lt cr gt Get hex dump of logged data response hexdump of logged data Identification Codes amp I lt cr gt Get unit serial number amp software revision response Questemp 15 Version 1 3 Serial KL1050002 am
36. y 426 8421 8 Wednesday 16 Thursday XXX X XXX 32 Friday 0 7 0 F 64 Saturday Add these numbers and send the result in Hexidecimal to set multiple days of the week I E 05 Sunday Tuesday 0E Monday Tuesday amp Wednesday 3E Monday thru Friday hh hours in military time 0 23 mm minutes 0 59 ss seconds 0 59 response M24 Week Days Wake up enabled for Days wd at hh mm ss W 3 hh mm ss lt cr gt Set daily wake up alarm where hh hours in military time 0 23 mm minutes 0 59 ss seconds 0 59 30 response M25 Daily Wake up enabled at hh mm ss Auto Execute control This command controls the execution of the commands stored in the auto execute buffer by the amp E commands The bufferred commands can be executed every time the unit is powered on or only when powered on by a clocked automatic wake up alarm controlled by the amp W commands amp X lt cr gt Get Auto execute Status amp X O lt cr gt Disable Auto execute amp X l lt cr gt Enable Auto execute for all power up amp X 2 lt cr gt Enable Auto execute for alarm wake up only response same for all commands M26 Enable Auto Execute nl Auto Wake only n2 where nil Auto Execute Flag 0 disabled 1 enabled n2 Auto Execute on Auto Wake up Only 0 disabled 1 enabled Timed Delay During autoexcute only functions while autoexecuting amp Y nl n2 n3 lt cr gt where nl hours n2 minut
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