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QRAE II User's Guide

1. Battery Voltage amp Shutoff Voltage This tells you the battery s voltage right now and the voltage at which the QRAE II will shut off This varies depending on whether a Li ion battery or an alkaline battery adapter is used Run time This tells you in hours and minutes how much time has elapsed since the QRAE II was turned on Run time resets to 0 00 every time the QRAE II is turned on Date Time and Temperature The full date of month day and year as well as the 24 hour time in hours minutes and seconds is shown Temperature is shown in degrees Fahrenheit or Celsius depending on the user configuration see Set Temperature Unit page 33 LEL Span Gas LEL Measurement Gas These two indications tell you the gas selected for performing a span and for performing a full measurement on the LEL sensor Datalog Started This informs you that the datalog has been started Communicate With PC When the QRAE II is connected to a computer running ProRAE Studio software it can download datalog data and upload revised firmware Note If you access any screen in Normal Mode and leave that screen unattended for a few minutes QRAE II automatically reverts to Normal Mode s main screen Diagnostic Mode The QRAE IPs Diagnostic Mode can only be accessed at startup time To Enter Diagnostic Mode 1 With the QRAE II turned off press and hold both MODE and Y 2 When the display turns on release the keys To Exit Diagnost
2. Place the new battery into the compartment with its six gold plated contacts aligned over the six pins 000 ooo 000 ooo Note Before installing the new battery visually inspect the contacts to make sure they are clean If they are not wipe them with a soft cloth Do not use solvents or cleaners 6 Place the cover over the compartment 7 Tighten all three screws by turning them clockwise with the hex wrench Installing The Alkaline Battery Adapter The Alkaline Battery Adapter substitutes for the Li Ion battery The adapter part number 020 3403 000 accepts three AA alkaline batteries use only Duracell MN1500 or Energizer E91 to provide approximately 12 hours of operation Place the QRAE II face down on a soft surface 1 p DUM Use the hex wrench to loosen each of the three screws by turning them counterclockwise Hold the QRAE II down and lift the compartment cover by pulling on the belt clip Turn the QRAE over and slide the Li ion battery out of its compartment Install three AA alkaline batteries into the Alkaline Battery Adapter making sure the battery polarity is correct Place the Alkaline Battery Adapter into the compartment with its six gold plated contacts aligned over the six pins Place the cover over the compartment Tighten all three screws by turning them clockwise with the hex wrench The monitor automatically detects the alkaline batteries Replacing The Filter The filter is made of PTFE Teflo
3. humide Pour des raisons de s curit cet quipement doit tre utilis entretenu et r par uniquement par un personnel qualifi Etudier le manuel d instructions en entier avant d utiliser d entretenir ou de r parer l quipement Uniquement la portion pour d tecter les gaz combustibles de cet instrument a t valu e Tout appareil neuf de RAE Systems doit pr alablement passer le test de v rification d talonnage qui consiste exposer les capteurs a une concentration connue de gaz talon et ce avant que l instrument soit mis en service puis avant chaque utilisation Une v rification d talonnage est d finie par une exposition courte du d tecteur au gaz d talonnage ainsi les capteurs doivent r agir et d clencher les seuils d alarmes bas pour chacun des gaz d tectables Le d tecteur multi gaz QRAEII doit tre imp rativement talonn si il ne passe pas le test de v rification d talonnage ou bien au moins tous les 180 jours selon l utilisation et l exposition des capteurs a des gaz poisons ou a des niveaux lev s de contaminants Les intervalles d talonnage et les proc dures de v rifications peuvent varier en fonction des l gislations nationales RAE Systems recommande d utiliser les bouteilles d talonnage RAE Systems avec un m lange des quatre gaz suivant 10 ppm H2S 50 ppm CO 50 LIE m thane et 18 5 d oxyg ne Toute variation de la lecture rapide et positive suivie d une bais
4. Change Datalog The QRAE II calculates and stores the gas readings based on a user specified datalogging period and the type of measurement Average peak and minimum values can be stored for each sensor during each datalogging interval The datalogging interval can be programmed from one second to 3 600 seconds 60 minutes in 1 second intervals In addition serial number last calibration date and alarm limits are stored All data are retained in non volatile memory for later download to a PC There are five submenus to Change Datalog Clear All Data Change Datalog Period Select Data Type Enable Disable Datalog Select Memory Full Type Page 26 QRAE II User s Guide The following diagram shows the navigation of this set of submenus Change Datalog Change Monitor Setup Press MODE to step from Save to Quit to each digit Press Y to advance from 0 through 9 Press MODE to reach Save or Quit Press Y Message confirms Not Saved Switch mode is shown Press MODE to step from Save to Quit to up or down arrow Choose Minimum Average or Peak by pressing Y Then use MODE to move to Save or Quit Press Y Press MODE to step through sensors Press Y to toggle sensor selection off or on indicates on Press MODE to reach OK or Cancel Press Y I A Select Memory Press MODE to step through Full Type sensors Press Y to toggle sensor selection off or on indicates on Press M
5. Normal Mode menu Change Monitor Setup This is the most extensive submenu set in the QRAE II It includes Change Alarm Mode Change Real Time Clock Change Backlight Mode Change Password Change Averaging Method Change Display Language Set Temperature Unit Enable Disable Run Silent Change Startup Mode Page 29 QRAE II User s Guide The diagram on the next page shows how Change Monitor Setup is organized and how to navigate through it Page 30 QRAE II User s Guide Change Sensor Configuration Monitor Setup Change Switch mode is shown Press MODE to step from Save to Quit to Alarm Mode up or down arrow Choose Auto Reset or Latched by pressing Y Then use MODE to move to Save or Quit Press Y Press MODE to step from Save and Quit and advance through digits Press Y to advance from 0 through 9 Press MODE to Message confirms reach Save or Quit Press Y Not Saved Press MODE to step from Save to Quit to up or down arrow Choose Auto Turn On or Manual Turn On by pressing Y Then use MODE to move to Save or Quit Press Y Press MODE to step from Save and Quit and advance through digits Press Y to advance from 0 through 9 Press MODE to Message confirms reach Save or Quit Press Y Not Saved Press MODE to step from Save to Quit to up or down arrow Choose Running Average or TWA by pressing Y Then use MODE to move to Save or Quit Press Y Press MODE to
6. PC to download data Diagnostic Mode is primarily designed for technicians during troubleshooting although it also offers access to a few changeable parameters that you may rarely if ever change You can enter Diagnostic Mode without restriction In Diagnostic Mode QRAE II displays readings in raw counts cts instead of units such as percentage or parts per million Battery type indicator Li ion or alkaline Battery level and shutoff voltage and run time COx1 and COXxS dual range CO sensing Display Contrast Date time and temperature Backlight level and threshold Parameters marked with an asterisk can be adjusted by entering Programming Mode from Diagnostic Mode See Page 15 for details Page 13 QRAE II User s Guide Programming Mode is password protected and is includes adjustable settings to accomplish the following e Calibrate the monitor this includes changing span gases and values and selecting single or multiple sensor calibrations e Change alarm limits e Change enable disable the datalog e Change the monitor setup e Change the sensor configuration Normal Mode Normal Mode is the default mode of the QRAE II when it is turned on By using the MODE key you can step through the screens that provide you with information from the sensors as well as the QRAE IPs current settings Enter Normal Mode With the QRAE II turned off press and hold MODE When the display turns on release the key
7. calibration can also be performed by using the RAE Systems AutoRAE docking station Connecting The Calibration Adapter The QRAE II is a diffusion monitor and must be calibrated using a fixed flow regulator with a flow rate between 0 5 and 1 0 liters per minute The QRAE II is supplied with a special calibration adapter that covers the gas diffusion ports 1 Place the Calibration Adapter over the filter area on the front of the ORAE II 2 Finger tighten the screw at the center as shown Note Finger tighten this only Do not use a pliers or other tools The Calibration Adapter should be snug but an air tight seal is unnecessary 3 Attach the hose from the regulator calibration gas cylinder to the Calibration Adapter s inlet Page 38 QRAE II User s Guide Caution After calibration is complete remove the Calibration Adapter When monitoring never operate the QRAE II with the Calibration Adapter attached The QRAE IPs sensors operate by diffusion If the Calibration Adapter is attached during normal operation inconsistent and lower than normal readings will occur because of decreased concentration of the gas being monitored Disconnecting The Calibration Adapter After calibrating the QRAE II you must remove the Calibration Adapter Sensor Calibration Time The QRAE II is designed to automatically use a predetermined calibration time Never operate the QRAE II with the Calibration Adapter attached To disconnect the
8. cross sensitivities Refer to RAE Systems Technical Note TN 144 for LEL sensor poisoning Basic Operation Turning The QRAE II On To turn the QRAE II on hold down MODE for 2 seconds The QRAE performs self testing and the screen shows a countdown to full operational functionality If Datalog is on this message is displayed after the countdown Datalog Started When the QRAE II is ready for use it shows this screen Note If datalogging is off you will not see the datalogging icon see icons page 10 Turning The QRAE II Off Press and hold MODE In 2 seconds a 5 second countdown to shutoff begins You must hold your finger on the key for the entire shutoff process If you remove your finger from the key during the countdown the shutoff operation is canceled and the QRAE II continues normal operation The countdown proceeds as follows accompanied at each step with an alarm beep and light flash When you see Unit off release your finger from the MODE key The QRAE II is now off Page 56 QRAE II User s Guide Inverting The Display To flip the screen press the Y key and hold it down for 3 seconds When the image inverts release the key Testing The Alarms Anytime Under normal non alarm conditions the buzzer vibration alarm LED and backlight can be tested at any time by pressing Y once Programming Mode Enter Programming Mode from Normal Mode or Diagnostic Mode This mode contains
9. flash The display shows the countdown in sequence Jnit off in 5 seconds nit off in 4 seconds nit off in 3 seconds nit off in 2 seconds nit off in 1 seconds nit off in 0 seconds nit off cic ocococcoco When you see Unit off release your finger from the MODE key The QRAE II is now off Caution The alarm is very loud During shutdown you can mute most of the sound by holding a finger over the alarm port Page 12 QRAE II User s Guide Operating The QRAE II Mode Overview The QRAE II has three operational modes e Normal see page 14 for detailed instructions e Diagnostic see page 15 for detailed instructions e Programming see page 19 for detailed instructions The following is an overview of the three modes Normal Mode is the default mode It is accessed when you turn on the QRAE II There are no access restrictions you do not need a password and it provides the indications and data you need most for typical monitoring applications including e Readings of carbon monoxide CO hydrogen sulfide H2S oxygen and lower explosive limit LEL Peak Min minimum STEL short term exposure limit TWA time weighted average Battery level Run time since the QRAE II was turned on Time date and temperature Name of the LEL span gas used for calibration and the measurement gas Normal Mode also allows you to turn datalogging on and off and communicate with a
10. most adjustable settings for the QRAE II It is organized into five submenus e Calibrate Monitor e Change Monitor Setup e Change Alarm Limits e Change Sensor Configuration e Change Datalog The following diagram shows how to enter Programming Mode from Normal Mode and from Diagnostic Mode Press and hold the MODE Enter Diagnostic Mode by holding key to start QRAE II both keys while turning on QRAE ll in Normal Mode Exit Diagnostic Mode by turning off QRAE II O O Main Display NORMAL MODE O QC Enter Programming Mode Enter Programming Mode by holding both keys by holding both keys Enter Password Enter Password PROGRAMMING MODE PROGRAMMING MODE Change Alarm Mode Your choices are Auto Reset and Latched A latched alarm stays in alarm until you acknowledge the alarm by pressing a button An auto reset alarm turns off when the condition that set off the alarm is no longer present for instance a high H2S reading that exceeds the preset threshold and triggers an alarm but then lowers below that threshold turning the alarm off Press MODE to step from Save to Quit to the up or down arrow Choose Auto Reset or Latched by pressing Y Press MODE to step to Save or Quit Press Y to commit your change or to exit to the next menu item ADA Page 57 QRAE II User s Guide Alarm Signal Summary Note Backlight automatically turns on when QRAE II alarms Over Range CO OPPM a Ov
11. or Quit 4 With Save selected press Y to save your settings or MODE to advance to Quit without saving settings If you choose to quit without saving the changes press Y You will see this message Not Saved If you want to make further changes to the settings press MODE to repeat stepping through the choices Back Press MODE to return to the top of the Calibrate Monitor menu or press Y to return to the top of the Normal Mode menu Change Alarm Limits The high and low alarm limits as well as the points at which the STEL and TWA alarms are triggered can be modified in this set of menus Each sensor s limits for each of these can be set separately providing extremely precise alarm thresholds Alarm Signals During each measurement period the gas concentration is compared with the programmed alarm limits gas concentration alarm limit settings Low High TWA and STEL If the concentration exceeds any of the preset limits the loud buzzer red flashing LED and vibration alarm are activated immediately to warn of the alarm condition In addition the QRAE II alarms if one of the following conditions occurs battery voltage falls below a preset voltage level 3 1 volts for Li ion 3 3 volts for alkaline batteries or when the datalog memory is full When the low battery alarm occurs there will be approximately 20 to 30 minutes of operating time remaining When the battery voltage falls below the low threshold th
12. saving the new setting press MODE to advance to Quit Then press Y Date Time and Temperature The full date of month day and year as well as the 24 hour time in hours minutes and seconds is shown Temperature is shown in degrees Fahrenheit or Celsius depending on the user configuration see Set Temperature Unit page 33 Backlight level and threshold This screen shows two values Light The amount of ambient light where the QRAE is in operation Backlight Thresh Setting The adjustable setting that sets the threshold at which the backlight illuminates when the QRAE II backlight is in automatic mode Whenever the QRAE IPs backlight is in automatic mode and the amount of ambient light is lower than the Backlight Thresh Setting the backlight illuminates Set the threshold level for normal lighting conditions However if you are going to be in a dark location for extended periods and want to conserve battery power you may want to set the QRAE s backlight to operate in manual mode See page 32 for details Page 17 QRAE II User s Guide Programming Mode Programming Mode can be entered from Normal Mode or Diagnostic Mode This mode contains most adjustable settings for the ORAE II It is organized into five submenus Calibrate Monitor Change Alarm Limits Change Datalog Change Monitor Setup Change Sensor Configuration The following diagram shows how to enter Programming Mode from Normal Mode and from Diagnosti
13. step from Save to Quit to up or down arrow Choose a language by pressing Y Then use MODE to move to Save or Quit Press Y Press MODE to step from Save to Quit to up or down arrow Choose Fahrenheit or Celsius by pressing Y Then use MODE to move to Save or Quit Press Y Display shows whether Run Sllent is enabled or disabled Toggle enabled disabled by pressing Y Press MODE to save and exit Press MODE to step from Save to Quit to up or down arrow Choose Normal Startup or Fast Startup by pressing Y Then use MODE to move to Save or Quit Press Y Page 31 QRAE II User s Guide Change Alarm Mode Your choices are Auto Reset and Latched A latched alarm stays in alarm until you acknowledge the alarm by pressing a button An auto reset alarm turns off when the condition that set off the alarm is no longer present for instance a high H2S reading that exceeds the preset threshold and triggers an alarm but then lowers below that threshold turning the alarm off Press MODE to step from Save to Quit to the up or down arrow Choose Auto Reset or Latched by pressing Y Press MODE to step to Save or Quit Press Y to commit your change or to exit to the next menu item Pees s Change Real Time Clock Date month day year and time hour minute second are adjustable Time is in 24 hour mode 1 Press MODE to step from Save and Quit and to advance through the digits 2 Press Y to advance from 0
14. the correct calibration gas in the correct concentration Also make sure that the calibration gas is not beyond its Best when used by date which is stamped on the cylinder s label Attach a hose to the Calibration Adapter and to the regulator Turn on the regulator to start the Calibration Gas flow Press MODE until OK is highlighted Press Y to start calibration NAA 0 You should see a countdown from 60 seconds Calibration in progress 60 Note If you see the following message check that the gas is flowing and the hose is attached No Gas Flow Apply gas or hit any key to start Page 42 QRAE II User s Guide When calibration is complete you will see the screen change between these two Multiple Sensor Calibrated and CO Pass H2S Pass O2 Pass LEL Pass If the sensor calibration passes then you should see this message shown here for carbon monoxide CO CO calibration pass If the sensor calibration fails try calibrating again If calibration fails again replace the sensor Page 43 QRAE II User s Guide Connecting To A Computer Downloading datalog data to computer requires placing the QRAE II in its cradle and connecting the cradle to a computer Connector to AC DC adapter CD e DC 12V IN PC CON COMM lt Data cable s DB9 connector connect other Connectors on end to PC back of Charging Cradle The QRAE IPs cradle connects via a DB9 9 pin conn
15. the regulator to start the Calibration Gas flow Press MODE until OK is highlighted Press Y to start calibration DNA IS You should see a countdown from 60 seconds Calibration in progress 60 Note If you see the following message check that the gas is flowing and the hose is attached No Gas Flow Apply gas or hit any key to start When calibration is complete you will see the screen change between these two Multiple Sensor Calibrated and CO Pass H2S Pass O2 Pass LEL Pass Page 41 QRAE II User s Guide A sensor calibration failure is indicated like this CO Fail H2S Pass O2 Pass LEL Pass If a sensor fails try calibrating again If calibration fails again replace the sensor Single Sensor Calibration This procedure determines the second point of the sensor calibration curve for a single sensor The display counts down from 60 to 0 seconds and then shows the name of each sensor whether it passed or failed calibration and the calibrated value for each sensor Select the sensor to calibrate by pressing MODE until the sensor s name is highlighted Then press Y to toggle the selection on indicated by an asterisk or off no asterisk After you have selected the sensor you want calibrated it is time to perform the calibration 1 Attach the Calibration Adapter to the QRAE II 2 Attach the regulator to the Calibration Gas cylinder Important Make sure you have
16. through 9 If you press Y when 9 is selected it wraps around to 0 and begins counting up again each time you press Y 3 Press MODE to step to Save or Quit 4 Press Y to commit your change or to exit to the next menu item Change Backlight Mode In Manual Turn On the backlight can be toggled on and off manually by pressing and holding Y for one second In Auto Turn On the backlight switches on automatically when the ambient light level exceeds a threshold See Setting Backlight Mode on page 17 for details on setting the turn on turn off threshold Press MODE to step from Save to Quit to the up or down arrow Choose Manual Turn On or Auto Turn On by pressing Y Press MODE to step to Save or Quit Press Y to commit your change or to exit to the next menu item Tour Change Password You can change the 4 digit password from its default of 0000 Press MODE to step from Save and Quit and to advance through the digits 2 Press Y to advance from 0 through 9 If you press Y when 9 is selected it wraps around to 0 and begins counting up again each time you press Y 3 Press MODE to step to Save or Quit 4 Press Y to commit your change or to exit to the next menu item Important If you change the password write down the new password and save it Change Averaging Method Toggle between Running Average and TWA time weighted average Press MODE to step from Save to Qu
17. type by pressing Y Then use MODE to move to Save or Quit Press Y Press MODE to step through sensors Press Y to toggle sensor selection off or on indicates on Press MODE to reach OK or Cancel Press Y Press MODE to step from Save to Quit to up or down arrow Choose LEL or VOL pressing Y Then use MODE to move to Save or Quit Press Y Message confirms Not Saved Results are displayed upon selecting Save or Quit Change LEL Measurement Gas This function allows selection of the measurement gas for the LEL sensor The correction for the measurement gas is automatically divided by the correction factor the span gas selected previously to obtain a new factor for the combination of gases The new factor is applied to the readings to obtain a true concentration 1 Press MODE until the up or down arrow is highlighted 2 Press Y to move through the list of LEL measurement gases 3 Press MODE to select either the other arrow or to advance to Save or Quit 4 With Save selected press Y to save your settings or MODE to advance to Quit without saving settings Page 35 QRAE II User s Guide If you choose to quit without saving the changes press Y You will see this message Not Saved If you want to make further changes to the settings press MODE to repeat stepping through the choices Enable Disable Sensor This function allows you to selectively enable or disable i
18. 1245 808399 Email sales keison co uk Please note Product designs and specifications are subject to change without notice The user is responsible for determining the suitability of this product
19. Calibration Adapter 1 Loosen the finger screw at the center of the Calibration Adapter 2 Lift the Calibration Adapter from the QRAE II and store it WARNING The calibration of any newly purchased RAE Systems instrument should be tested by exposing the sensor s to known concentration calibration gas es before the instrument is put into service the first time For maximum safety the accuracy of the QRAE II should be checked by exposing the sensor s to known concentration calibration gas es before each day s use Page 39 QRAE II User s Guide Zero Fresh Air Calibration This procedure determines the zero point of the sensor calibration curve Expose the inlet to a clean air source with 20 9 oxygen and without any organic toxic or combustible gas impurities This Zero Air can be from a cylinder clean ambient air or ambient air purified through a charcoal filter Using Fresh Air Caution Do not use the Calibration Adapter while performing zero calibration in fresh air Turn on the QRAE II and follow this procedure 1 Enter Program Mode 2 At Calibrate Monitor press Y You should see Fresh Air Calibration 3 Press Y to start calibration Calibration is performed automatically Using Zero Gas Attach the Calibration Adapter to the ORAE II Attach the regulator to the Zero Gas cylinder Attach a hose to the Calibration Adapter and to the regulator Enter Password At Calibrate Monito
20. Change Alarm Limits Calibration in progress Results are displayed upon completion of calibration Multiple Sensor Apply Mixed Gas Calibration Calibration in progress Single Sensor Apply selected Gas Calibration Calibration in progress LI y Press and hold MODE to step Gas Value through sensors Press Y to advance from 0 through 9 Press MODE to reach Save or Quit Press Y Change LEL Press MODE to select up or Span Gas down arrow Scroll through list of gases using Y key Press MODE to reach Save or Quit Press Y Page 21 QRAE II User s Guide Fresh Air Calibration This sets the zero point of the sensor calibration curve for clean air Expose the inlet to a clean air source with 20 9 oxygen and without any organic toxic or combustible gas impurities Follow the procedure outlined in Zero Fresh Air Calibration on page 39 Multiple Sensor Calibration This function simultaneously determines the second point of the calibration curve for multiple sensors in the monitor To calibrate follow the procedure outlined in Calibrating The QRAE II on page 38 Single Sensor Calibration This procedure determines the second point of the sensor calibration curve for a single sensor To calibrate follow the procedure outlined in Calibrating The QRAE II on page 38 Modify Span Gas Value This function allows selection of the gas concentrati
21. Datalog Full Over Range Buzzer LED 3 times second Vibrator 400ms second High Alarm Buzzer LED 3 times second Vibrator 400ms second Low Alarm Buzzer LED 2 times second Vibrator 400ms second STEL Alarm Buzzer LED 1 time second Vibrator 400ms second TWA Alarm Buzzer LED 1 time second Vibrator 400ms second Negative Drift Buzzer LED 1 time second Vibrator 400ms second Battery Low Buzzer LED 1 time minute Vibrator 400ms minute Battery Dead LCD display Battery low turning off Unit turns off after 15 seconds Datalog Full Buzzer LED 1 time second Vibrator 400ms second Page 37 QRAE II User s Guide Bump Testing amp Calibrating The QRAE Il RAE Systems recommends that a bump test be performed on the QRAEII before the monitor is put into service and later prior to each use A bump test is defined as a brief exposure of the monitor to the calibration gas and the sensors to show response and trigger the lowest alarm set point for each sensor The QRAEII Multi Gas detector must be calibrated if it does not pass a Bump Test or at least once every 180 days depending on use and sensor exposure to poisons and contaminants e Calibration intervals and bump test procedures may vary due to national legislation RAE Systems recommends using RAE calibration gas cylinders with a 4 gas mix containing 10 ppm H2S 50 ppm CO 50 LEL Methane and 18 5 Oxygen Note Bump test and
22. I face down on a soft surface 3 Remove the front sensor cover by loosening the two screws on the back of the monitor below the battery cover Used the supplied hex wrench 4 Push the screws from the back of the monitor to pop the cover off the front 5 Locate the sensor you need to replace H2S Sensor CO Sensor LEL Sensor O2 Sensor Page 49 QRAE II User s Guide A Using the sensor puller carefully remove the sensor by pulling it straight out 7 Replace the sensor with a new one Make sure the pins are not bent or corroded Align the pins to the corresponding holes and push straight in Do not push on the middle of the sensor with your finger as this may damage it The sensor should fit flush against the printed circuit board Note Each sensor socket is labeled to guide you in placing the correct sensor into it If a sensor does not seem to fit examine it to ensure that it is the correct sensor the pins are not bent and that the pins are aligned to the holes 8 Press the sensors all the way into the socket Important Sensors are not interchangeable Use only RAE Systems sensors and use only the sensor type specified for your QRAE II monitor Use of non RAE Systems components will void the warranty and can compromise the safe performance of this product 9 Inspect the filter If it is dirty discolored or wet replace it See Replacing The Filter below Filter 10 Place the filter onto the inside of the s
23. ODE to reach Save or Quit Press Y Page 27 QRAE II User s Guide Clear All Data You can clear all data from the datalog The QRAE II has a challenge that asks you to confirm that you want to clear the data 1 Press Y The display shows Are you sure 2 Press Y to clear the datalog or MODE if you do not want to clear the datalog If you choose to clear it the display shows Datalog cleared If you press MODE the display shows Datalog not cleared Important If you clear the datalog s data it cannot be retrieved or unerased Change Datalog Period The datalogging interval can be set from 1 second to 3 600 seconds 60 minutes This is the time between data points The QRAE II can store 64 000 datapoints 1 Press MODE to step from Save and Quit and to advance through the digits 2 Press Y to advance from O through 9 If you press Y when 9 is selected it wraps around to 0 and begins counting up again each time you press Y 3 Press MODE to step to the next digit 4 Press Y to advance from 0 through 9 Repeat steps 3 and 4 until you advance to Save or Quit 5 Press Y to commit your change or to exit to the next menu item Select Data Type You have three choices for the type of data collected in the QRAE II You may select one The screen shows Switch mode Y our choices are e Average e Peak e Minimum Press MODE to move from the up arrow to the down arr
24. QRAE II User s Guide P N 020 4100 000 Rev A October 2006 Copyright 2006 RAE Systems Inc QRAE II User s Guide Contents Read Before Operating acude atte edad alee di yate ak eo eee eae 3 General formation tocino ida 6 Sl A A uadanidees tacsacaaet os 7 Charme The ORAE IL Battery sta O E ga ed 8 MRO BARRE RSR E a E E 9 User Interface runni Ss te eA Sas o A son bret Seas 10 User Interface ICONS tirada 10 Turnirig The QR ATE Ona ad 11 Invertne The DISplay ES 12 Testing The Alarms Anytime sssessseesssessessseeesseeesseessessersserssseeessresseeesseesseessee 12 Turning The QRAE MOR SSSR Ford utei tii 12 Operaung The ORAE LI ara E E E Sins ads an eae ea E E E id 13 Mode OyeryieW onna es ats oi ii tas 13 Normal Modera e eee elos a e ot he CSI cure 14 Diagnostic Mode io ais 15 A Mode ooa eau eie meatu CE tea 18 Enter Programming Mode aude diu A A Wie user ludi BAe 19 Navigating Programming Mode ss 20 Calibrate Notoris his cot teet dot hl e coe occi 21 Change Alar LAS A te ee Oe A A prd dd 23 Changs DO i c e ete e d uiae 26 Change Monitor Sepan tute des socis utedendite tese e Hd 29 Change Sensor Configuration visitarla UNI eA echado ERU ici drid 34 Ada Signal gt UA e oen DR Mis Das oM n nee dana mens edited Pape abes 37 Calibrating The QRAET ee te ed Eod R nn TO Ea pius data Oden NE ORI iA 38 Connecting The Calibration Adapter ss 38 Disconnecting The Calibration Adapter ss 39 Zero Fres
25. QRAE II User s Guide 6 Install three AA alkaline batteries into the Alkaline Battery Adapter making sure the battery polarity is correct 7 Place the Alkaline Battery Adapter into the compartment with its six gold plated contacts aligned over the six pins 8 Place the cover over the compartment 9 Tighten all three screws by turning them clockwise with the hex wrench 10 The monitor automatically detects the alkaline batteries IMPORTANT Alkaline batteries cannot be recharged The QRAE IPs internal circuit detects alkaline batteries and will not allow recharging If you place the QRAE II in its cradle the alkaline battery will not be recharged and you will see this icon m Note When replacing alkaline batteries dispose of old ones properly WARNING To reduce the risk of ignition of hazardous atmospheres recharge the battery only in areas known to be non hazardous Remove and replace the battery only in areas known to be non hazardous Charging A Spare QRAE II Li lon Battery A ORAE II Li ion battery can be charged when it is not inside the QRAE II The charging cradle is designed to accommodate both types of charging Contacts on the bottom of the QRAE II battery meet the contacts on the cradle transferring power without other connections and two clips hold the battery in place during charging 1 Plug the AC DC adapter into the QRAE II s cradle 2 Place the battery into the cradle with the six gold plated con
26. ance to the next sensor 5 Follow the same procedure as steps 2 and 3 for each sensor After you have modified all necessary sensor settings 6 Press MODE to advance to Save or Quit 7 With Save selected press Y to save your settings or MODE to advance to Quit without saving settings Change Low Alarm Limit This function allows you to selectively set the low limit of individual sensors in the QRAE II 1 Select a sensor by pressing MODE until the sensor s name is highlighted 2 Press MODE to step through the sensor s digits 3 Press Y to increase the number from 0 through 9 Once the number 9 is reached pressing Y causes the numbers to wrap around to 0 and count up again 4 Press and hold MODE for 3 seconds to advance to the next sensor 5 Follow the same procedure as steps 2 and 3 for each sensor After you have modified all necessary sensor settings 6 Press MODE to advance to Save or Quit 7 With Save selected press Y to save your settings or MODE to advance to Quit without saving settings Change STEL Alarm Limit This function allows you to selectively set the STEL short term exposure limit of individual sensors in the QRAE II Note This function does not include LEL or oxygen sensors 1 Select a sensor by pressing MODE until the sensor s name is highlighted 2 Press MODE to step through the sensor s digits 3 Press Y to increase the number from 0 th
27. atalog for other use or printing Page 44 QRAE II User s Guide Uploading Firmware To The QRAE II From A PC Uploading new firmware to your QRAE II requires connecting the QRAE II and PC Follow these steps to make the connection Connect the data cable to the PC and the cradle Place the QRAE II into its cradle The charging LED should be illuminated Start ProRAE Studio on your PC From ProRAE Studio select Operation and select Setup Connection Select the COM port to establish a communication link between the PC and the QRAE II pus o9 pares Once communication is established follow the instructions that accompany ProRAE Studio and the firmware to upload the new firmware to your QRAE II Page 45 QRAE II User s Guide Maintenance AN WARNING N Maintenance should be performed only by a qualified person who has proper training and fully understands the contents of this manual The following guidelines should be followed when changing components 1 Turn off the unit and unplug the charger before changing a battery 2 When changing a sensor detach the battery first Identify the location of a specific sensor and pay attention to the sensor pin orientation when removing and plugging in sensors WARNING To reduce the risk of ignition of hazardous atmospheres recharge battery only in area known to be non hazardous Remove and replace battery only in an area known to be non hazardous Replacing
28. c Mode Press and hold the MODE key to start ORAE II in Normal Mode Main Display NORMAL MODE O Enter Programming Mode by holding both keys Enter Password PROGRAMMING MODE Enter Diagnostic Mode by holding both keys while turning on QRAE II Exit Diagnostic Mode by turning off QRAE ll O O Main Display DIAGNOSTIC MODE O O Enter Programming Mode by holding both keys Enter Password PROGRAMMING MODE Page 18 QRAE II User s Guide Enter Programming Mode To enter Programming Mode hold down MODE and Y simultaneously for three seconds To exit this mode press MODE repeatedly until the main concentration display shows When you enter Programming mode you see Enter Password 0000 OK Cancel Increase a number by pressing the Y key 1 2 3 etc Note The numbers advance until the number 9 and then wrap around to 0 again Advance to the next digit by pressing the MODE key 0000 0000 etc Note The display has a wrap around so once you reach the last digit pressing MODE advances to the first digit again Once you are satisfied with the password advance to OK and press MODE If you want to cancel advance to Cancel and press the Y key Note The default password is 0000 If you change the password write it down and save it in a safe location You do not have to change the password from 0000 You can simply continue using 0000
29. e QRAE II turns off automatically Submenus in this section are e High Alarm Limit e Low Alarm Limit e Stel Alarm Limit e Average Alarm Limit The submenus and actions are shown in the following diagram Page 23 QRAE II User s Guide Change Datalog Change Alarm Limits Press and hold MODE to step through sensors and to advance through digits Press Y to advance from 0 through 9 Press MODE to reach Save or Quit Press Y Press and hold MODE to step through sensors and to advance through digits Press Y to advance from 0 through 9 Press MODE to reach Save or Quit Press Y Press and hold MODE to step through sensors and to advance through digits Press Y to advance from 0 through 9 Press MODE to reach Save or Quit Press Y Press and hold MODE to step through sensors and to advance through digits Press Y to advance from 0 through 9 Press MODE to reach Save or Quit Press Y Change High Alarm Limit This function allows you to selectively set the high limit of individual sensors in the QRAE II 1 Select a sensor by pressing MODE until the sensor s name is highlighted 2 Press MODE to step through the sensor s digits 3 Press Y to increase the number from 0 through 9 Once the number 9 is reached pressing Y causes the numbers to wrap around to 0 and count up again Page 24 QRAE II User s Guide 4 Press and hold MODE for 3 seconds to adv
30. e monitor when the cover is removed Remove monitor cover and sensor module only in an area known to be non hazardous Note Users are recommended to refer to ISA RP12 13 Part 11 1987 for general information on installation operation and maintenance of combustible gas detection instruments Page 3 QRAE II User s Guide A WARNINGS Use only RAE Systems rechargeable battery pack part number 020 3402 000 or alkaline battery pack part number 020 3403 000 Use only DURACELL MN1500 or ENERGIZER E91 batteries with alkaline battery pack This instrument has not been tested in an explosive gas air atmosphere having an oxygen concentration greater than 21 Substitution of components may impair suitability for intrinsic safety Recharge batteries only in non hazardous locations Do not connect the serial communication port in a hazardous location STATIC HAZARD Clean only with a damp cloth For safety reasons this equipment must be operated and serviced by qualified personnel only Read and understand instruction manual completely before operating or servicing Only the combustible gas detection portion of this instrument has been assessed for performance All newly purchased RAE Systems instruments should be bump tested by exposing the sensor s to known concentrations of calibration gas before the instrument is put into service and later prior to each use A bump test is defined as a brief exposure of the monitor to the calib
31. ector to a computer running ProRAE Remote software Press the DB9 connector into the DB9 serial port on the cradle and then finger tighten the two screws on the connector These keep the connector from coming loose and ensure the best electrical connection Make sure the AC DC adapter is connected to the cradle as well to power the QRAE II and keep its battery from draining Note If your computer has a USB port instead of a DB9 connector use a USB to 9 pin serial adapter part number 410 0210 000 Transferring Data To amp From A Computer Once you have connected your QRAE II cradle to the PC you can can transfer data including a download of the datalog to the computer and updates of firmware to the QRAE II should this ever be necessary Downloading The Datalog To A PC Connect the data cable to the PC and the cradle Place the QRAE II into its cradle The charging LED should be illuminated Start ProRAE Studio on your PC From ProRAE Studio select Operation and select Setup Connection Select the COM port to establish a communication link between the PC and the QRAE II To receive the datalog in the PC select Downlog Datalog 7 When you see Unit Information click OK See YS D The download process typically takes less than 10 seconds During the data transfer the display shows a progress bar When the transfer is done you will see a screen with the datalog information You can now export this d
32. ensor cover Make sure it is aligned properly by matching its center hole with the indexing peg at the middle of the cover 11 Replace the sensor cover Hold the cover against the QRAE II and place the QRAE II on a soft surface Use the hex wrench to tighten the two screws Do not overtighten them 12 Turn the monitor on and the newly installed sensors should be properly identified by the EntryRAE in the start up screen Let the monitor run for 15 minutes before calibration 13 Calibrate all sensors prior to using the QRAE IL Replacing The Filter The filter is made of PTFE Teflon membrane designed to prevent water and dust from entering the sensors The filter should be replaced if it changes color traps dust or other particulates or if it has been saturated with water or other liquids Use only the filter with part number 020 2419 000 Page 50 QRAE II User s Guide Cleaning Occasional cleaning with a soft cloth is recommended Do not use detergents or chemicals Do not submerge the QRAE II or place it under running water If necessary you can use a damp cloth water only It is a good idea to install the Calibration Adapter before cleaning the QRAE IT s housing to keep dirt dust or moisture away from the sensor openings and to keep the filter clean Visually inspect the contacts at the base of the QRAE II on the battery and on the Charging cradle to make sure they are clean If they are not wipe them with a soft dry c
33. er Range H2S OPPM ja Buzzer LED 3 times second Vibrator 400ms second High Alarm Buzzer LED 3 times second Vibrator 400ms second Low Alarm Buzzer LED 2 times second Vibrator 400ms second STEL Alarm Buzzer LED 1 time second Vibrator 400ms second TWA Alarm Buzzer LED 1 time second Vibrator 400ms second Negative Drift Buzzer LED 1 time second Vibrator 400ms second Battery Low CO OPPM A Battery Low Us Pty ju Buzzer LED 1 time minute 9 0 PE i i LEL OE i Vibrator 400ms minute Battery Dead Battery Dead Battery low LCD display Battery low turning off turning off Unit turns off after 15 seconds Datalog Full Datalog Full Buzzer LED 1 time second Vibrator 400ms second Page 58 QRAE II User s Guide WARNING To reduce the risk of ignition of hazardous atmospheres recharge battery only in area known to be non hazardous Remove and replace battery only in an area known to be non hazardous Replacing the QRAE ll Li lon Battery Caution Turn off the QRAE II before removing or replacing the battery 1 Place the QRAE II face down on a soft surface 2 Use the hex wrench to loosen each of the three screws by turning them counterclockwise 3 Hold the QRAE II down and lift the compartment cover by pulling on the belt clip 4 Turn the QRAE over and slide the battery out of its compartment Page 59 QRAE II User s Guide 5
34. h Air Calibration SN Deed e Dudas ded decns 40 Multiple Sensor CalIDrAon auci ies sais 41 single Sensor CaliDPatlOD silent nas et ete ss 42 Connecting Lo A Computer wie nis catia er oie maou p etude ic sien alana 44 Transferring Data To amp From A Computer 44 Downloading The Datalog To A PC 44 Uploading Firmware To The QRAE II From A PC 45 INVITES ANCE ti o tod 46 Replacing the ORAE II Li Ion Battery cc ia ep its 46 Installing The Alkaline Battery Adapter 47 Charging A Spare QRAE II Li Ion Battery 48 BR Po ACT PRD SEHSOES A O 49 Replacine The Filter ua iio te Oed etos eM vei necat fossas emat 50 ii E a do o ui 51 Firmware Updates iii ida ces 51 Ordering Replacement a 51 lieri desuper c 52 QRAE Il User s Guide Technical SUpport tes tania RAE Systems ONUACIS Sod ol wid a Bae teil sc ees Monet adoos wae Ona aan Appendix A Regulatory Information Page 2 QRAE II User s Guide WARNINGS Read Before Operating This manual must be carefully read by all individuals who have or will have the responsibility of using maintaining or servicing this product The product will perform as designed only if it is used maintained and serviced in accordance with the manufacturer s instructions CAUTION To reduce the risk of electric shock turn the power off before removing the monitor cover Disconnect the battery before removing sensor module for service Never operate th
35. ic Mode 1 Turn off the QRAE II by pressing and holding MODE There will be a standard shutoff countdown 2 When it shuts off you will be alerted Release your finger Page 15 QRAE II User s Guide Note The next time you start QRAE II hold only MODE and it will automatically be in Normal Mode When the QRAE II runs in Diagnostic Mode the screen shows raw counts for sensors and battery levels expressed as cts short for counts You can step through other diagnostic information by pressing the MODE key The items followed by an asterisk are user changeable e Battery type Li ion or alkaline e Battery level and shutoff voltage and run time e COx1 and COx5 e Display Contrast e Date time and temperature e Backlight level and threshold Note If the QRAE II is in its cradle and the cradle is connected via its data cable to a PC communication is possible in this mode DIAGNOSTIC MODE MO Enter Diagnostic Mode by holding both keys while turning on QRAE II Startup Diagnostics Exit Diagnostic Mode by turning off QRAE II y Main Display Battery Type Battery O O Battery shutoff O Run time Light level Date Backlight Threshold Time setting Temperature Press MODE to select digits or to advance to Save or Quit Press Y to advance from 0 through 9 Press Y to Save or Quit Battery type This indicates the type of battery that is currently in use Li ion or alkal
36. ications Configuration Dimensions Weight Detectors Battery Operating Time Display Keypad Direct Readout Sampling Method Range Resolution amp Response Time Alarm Settings Alarms Calibration Protection Intrinsic Safety EM Immunity Data Storage Datalog Interval Alarm Settings Communication Temperature Humidity Caution Diffusion 4 gas with datalogging 4 94 L x 2 76 W x 1 5 H 125 5 mm x 70 mm x 38 mm 12 3 oz 350 g with battery 2 Electrochemical toxic gases sensors 1 Solid Polymer Electrolyte oxygen sensor 1 Catalytic sensor for combustible level organics Rechargeable 3 7V Li ion battery pack 6 hour charge time or a3 AA alkaline battery adapter Up to 10 hours continuous w Li ion battery pack 4 line graphical LCD with automatic LED backlight for dim lighting conditions 2 programming operation keys Up to 4 simultaneous values with sensor name battery charge high and low values for all sensors elapsed time and datalogging on off state Diffusion LEL 0 10096 1 15 sec O 0 30 0 1 15 sec CO 0 1000 ppm 1 ppm 20 sec H2S 0 100 ppm 1 ppm 30 sec Separate limits for TWA STEL Peak Min gt 95 dB 30 cm buzzer flashing red LEDs vibration alarm LCD to indicate exceeded preset limits low battery or sensor failure Two point field calibration for fresh air and standard reference gas Password protected calibration settings alarm limits and da
37. ine Battery level and shutoff voltage and run time This screen tells you the battery s voltage right now and the voltage at which the QRAE II will shut off This varies depending on whether a Li ion battery or an alkaline battery adapter is used Page 16 QRAE II User s Guide Run time This tells you in hours and minutes how much time has elapsed since the QRAE II was turned on Run time resets to 0 00 every time the QRAE II is turned on COx1 and COx5 The QRAE Ils carbon monoxice CO sensing operates in two ranges providing optimal sensing based on concentration When the signal is in the low range the COx5 reading is monitored and when the signal is in the high range the COx1 reading is monitored Display Contrast You can set the display contrast for maximum sharpness under the lighting conditions in which you are operating 1 Press MODE until the bar graph blinks showing it is selected 2 Repeatedly press the Y button to incrementally increase the darkness of the display Note Pressing Y several times causes the screen to appear fully dark To return to a lighter screen keep pressing Y until the screen suddenly becomes light again This wrap around feature ensures that you can correct for too much contrast setting 3 Once the display contrast is set to your satisfaction press MODE which will cause Save to blink If you want to save the new setting press Y If you want to quit without
38. it to the up or down arrow 2 Choose Running Average or TWA by pressing Y Page 32 QRAE II User s Guide 3 Press MODE to step to Save or Quit 4 Press Y to commit your change or to exit to the next menu item Change Display Language Scroll from English to other languages language options depend on firmware version Press MODE to step from Save to Quit to the up or down arrow Choose a language by pressing Y Press MODE to step to Save or Quit Press Y to commit your change or to exit to the next menu item HAS Set Temperature Unit Select Fahrenheit or Celsius Press MODE to step from Save to Quit to the up or down arrow Choose Fahrenheit or Celsius by pressing Y Press MODE to step to Save or Quit Press Y to commit your change or to exit to the next menu item EA Enable Disable Run Silent You can select Run Silent Enabled or Run Silent Disabled modes 1 Toggle enabled or disabled by pressing Y 2 Press MODE to save your choice and to exit to the next menu item Change Startup Mode Options are Normal Startup and Fast Startup Fast Startup skips showing you many settings and is best suited to environments where the QRAE II is turned on and off very often during a given day Press MODE to step from Save to Quit to the up or down arrow Choose Normal Startup or Fast Startup by pressing Y Press MODE to step to Save or Quit Press Y to commit your change or
39. loth Never use solvents or cleaners QRAE II User s Guide Troubleshooting Problem Possible Reasons amp Solutions Cannot turn on power Reasons Discharged battery after charging the Defective battery battery Solutions Charge or replace battery No LCD back light Reasons Trigger level too low the current mode is not user mode and the mode does not support automatic turn on back light Solutions Adjust trigger level Verify the back light can be turned on Verify that the backlight is not in manual mode Call authorized service center Lost password Solutions Call Technical Support at 1 408 752 0723 or toll free at 1 888 723 4800 Reading abnormally Reasons Dirty filter Low Calibration Adapter is attached Incorrect calibration Solutions Replace filter Remove Calibration Adapter Calibrate the QRAE II Buzzer Reasons Bad buzzer Inoperative Solutions Check that buzzer is not turned off Call authorized service center Page 52 QRAE II User s Guide Appendix A Regulatory Information Intrinsic Safety CSA Class 1 Division I Group A B C D T4 US amp Canada KEMA ATEX II 2G EEx d ia II C T4 Europe EM Immunity No effect when exposed to 0 43mW cm RF interference 5 watt transmitter at 12 10cm Temperature 20 C to 50 C 4 F to 122 F Humidity 0 to 95 relative humidity non condensing Caution Refer to RAE Systems Technical Note TN 114 for sensor
40. n membrane designed to prevent water and dust from entering the sensors The filter should be replaced if it changes color traps dust or other particulates or if it has been saturated with water or other liquids Use only the filter with part number 020 2419 000 Page 60 QRAE II User s Guide Troubleshooting Cannot turn on power Reasons Discharged battery after charging the Defective battery battery Solutions Charge or replace battery No LCD back light Reasons Trigger level too low the current mode is not user mode and the mode does not support automatic turn on back light Solutions Adjust trigger level Verify the back light can be turned on Verify that the backlight is not in manual mode Call authorized service center Lost password Solutions Call Technical Support at 1 408 752 0723 or toll free at 1 888 723 4800 Reading abnormally Reasons Dirty filter Low Calibration Adapter is attached Incorrect calibration Solutions Replace filter Remove Calibration Adapter Calibrate the QRAE II Buzzer Reasons Bad buzzer Inoperative Solutions Check that buzzer is not turned off Call authorized service center Page 61 Kebon P RODUC T Thank you for reading this data sheet For pricing or for further information please contact us at our UK Office using the details below UK Office Keison Products P O Box 2124 Chelmsford Essex CM1 3UP England Tel 44 0 1245 600560 Fax 44 0
41. ndividual sensors in the QRAE II When a sensor is disabled the unit does not datalog or display gas concentrations of that type 8 Select a sensor to enable disable by pressing MODE until the sensor s name is highlighted 9 Press Y to toggle the selection on indicated by an asterisk or off no asterisk To select other sensors to calibrate press MODE until you reach the sensor you want to select Then press Y After you have selected all the sensors you want enabled or disabled 10 Press MODE to advance to Save or Cancel 11 With Save selected press Y to save your settings or MODE to advance to Cancel without saving settings Set LEL Display Unit Choose from LEL for percentage of lower explosive limit or VOL for volume percent Press MODE to step from Save to Quit to the up or down arrow Choose LEL or VOL by pressing Y Press MODE to step to Save or Quit Press Y to commit your change or to exit to the next menu item HAS Back Press MODE to return to the top of the Change Sensor Configuration menu or Y to exit the Change Sensor Configuration menu and return to the Programming Mode menu Page 36 QRAE II User s Guide Alarm Signal Summary Note Backlight automatically turns on when QRAE II alarms Over Range Battery Low CO OPPM H2s OPPN 20 9 O LEL OXY 209 LEL OYLEL LU Battery Dead Battery low turning off
42. nt settings Firmware version number and serial number List of installed sensors Last Calibration date and time Alarm Limits High Low STEL TWA Today s date the current time and the current temperature Alarm Mode battery voltage shutoff voltage Datalog Mode Datalog Period Datalog Time Left The QRAE performs a final checkout and the screen shows a countdown to full operational functionality If Datalog is on this message is displayed after the countdown Datalog Started Page 11 QRAE II User s Guide When the QRAE II is ready for use it shows this screen Note If datalogging is off you will not see the datalogging icon see icons page 10 Inverting The Display The QRAE II is easy to read whether held in the hand or clipped to a belt To flip the screen press the Y key and hold it down for 3 seconds When the image inverts release the key Testing The Alarms Anytime Under normal non alarm conditions the buzzer vibration alarm LED and backlight can be tested at any time by pressing Y once Turning The QRAE II Off Press and hold MODE In 2 seconds a 5 second countdown to shutoff begins You must hold your finger on the key for the entire shutoff process If you remove your finger from the key during the countdown the shutoff operation is canceled and the QRAE II continues normal operation The countdown proceeds as follows accompanied at each step with an alarm beep and light
43. on for each sensor Setting the span value separately for each sensor 1 Select a sensor by pressing MODE until the sensor s name is highlighted 2 Press MODE to advance through the digits on each sensor 3 Press Y to increase the number 0 to 9 Note Once the number reaches 9 pressing Y returns to 0 and starts counting up again each time Y is pressed 4 Press and hold MODE for 3 seconds and release to advance to the next sensor 5 After you have set all of the span values hold MODE for 3 seconds and release Save is highlighted 6 Press Y to save your settings or MODE to advance to Quit without saving settings If you choose to quit without saving the changes press Y You will see this message Not Saved If you want to make further changes to the settings press MODE to repeat stepping through the sensors Change LEL Span Gas This function allows selection of the gas to be used for span calibration of the LEL sensor The correction for the measurement gas is automatically divided by the correction factor the span gas selected previously to obtain a new factor for the combination of gases The new factor is applied to the readings to obtain a true concentration 1 Press MODE until the up or down arrow is highlighted 2 Press Y to move through the list of LEL span gases Page 22 QRAE II User s Guide 3 Press MODE to select either the other arrow or to advance to Save
44. ow to Save and to Quit When the cursor is on the choice you want press the Y key Page 28 QRAE II User s Guide Enable Disable Datalog You can selectively enable or disable the data from each sensor to be stored in the datalog This requires turning on or off each sensor in the menu 1 Select a sensor to enable disable by pressing MODE until the sensor s name is highlighted 2 Press Y to toggle the selection on indicated by an asterisk or off no asterisk To select other sensors to datalog press MODE until you reach the sensor you want to select Then press Y After you have selected all the sensors you want enabled or disabled 3 Press MODE to advance to OK or Cancel With OK selected press Y to save your settings or press MODE to advance to Cancel without saving settings Select Memory Full Type You can set how the QRAE II deals with a full datalog memory Once the datalog is full it can either stop retaining all data to that point or wrap around meaning that it begins overwriting the earliest data and proceeding to replace old data in an ongoing manner Press MODE to step from Save to Quit to the up or down arrow Choose Stop or Wrap Around by pressing Y Press MODE to step to Save or Quit Press Y to commit your change or to exit to the next menu item T Back Press MODE to return to the top of the Change Datalog menu or press Y to return to the top of the
45. r press Y When you see Fresh Air Calibration turn on the regulator to start the Zero Gas flow Press Y SLD Uu d pup rs You should see a countdown from 30 seconds Calibration in progress 30 When calibration is complete you will see the screen change between these two CO Zeroed CO Oppm H2S Zeroed and H2S Oppm OXY Zeroed OXY 20 9 LEL Zeroed LEL 0 LEL When the zero calibration is successful the display should show a reading of 20 9 for the oxygen sensor and 0 for all other sensors Page 40 QRAE II User s Guide Multiple Sensor Calibration This function simultaneously determines the second point of the calibration curve for multiple sensors in the monitor The display counts down from 60 to 0 seconds and then shows the name of each sensor whether it passed or failed calibration and the calibrated value for each sensor Select a sensor to calibrate by pressing MODE until the sensor s name is highlighted Then press Y to toggle the selection on indicated by an asterisk or off no asterisk To select other sensors to calibrate press MODE until you reach the sensor you want to select Then press Y After you have selected all the sensors you want calibrated it is time to perform the calibration Attach the Calibration Adapter to the QRAE II Attach the regulator to the Calibration Gas cylinder Attach a hose to the Calibration Adapter and to the regulator Turn on
46. ration gas and the sensors to show response and trigger the lowest alarm set point for each sensor The QRAEII Multi Gas detector must be calibrated if it does not pass a Bump Test or at least once every 180 days depending on use and sensor exposure to poisons and contaminants Calibration intervals and bump test procedures may vary due to national legislation RAE Systems recommends using RAE calibration gas cylinders with a 4 gas mix containing 10 ppm H2S 50 ppm CO 50 LEL Methane and 18 5 Oxygen Any rapid up scale reading followed by a declining or erratic reading may indicate a gas concentration beyond upper scale limit which may be hazardous Note Bump test and calibration can also be performed by using the RAE Systems AutoRAE docking station Page 4 QRAE II User s Guide N AVERTISSEMENT N Utiliser seulement l ensemble de batterie RAE Systems la r f rence 020 3403 000 Utiliser uniquement des piles alcalines modele DURACELL MN1500 ou ENERGIZER E9 avec l adaptateur piles alcalines Cet instrument n a pas t test dans une atmosph re de gaz air explosive ayant une concentration d oxyg ne plus lev e que 21 La substitution de composants peut compromettre la s curit intrins que Ne charger les batteries que dans un emplacement d sign non dangereux Ne reliez pas le port de communication s rie dans un endroit dangereux RISQUE D ORIGINE ELECTROSTATIQUE Nettoyer uniquement avec un chiffon
47. rough 9 Once the number 9 is reached pressing Y causes the numbers to wrap around to 0 and count up again 4 Press and hold MODE for 3 seconds to advance to the next sensor 5 Follow the same procedure as steps 2 and 3 After you have performed all necessary modifications 6 Press MODE to advance to Save or Quit 7 With Save selected press Y to save your settings or MODE to advance to Quit without saving settings Page 25 QRAE II User s Guide Change Average Alarm Limit This function allows you to selectively set the STEL short term exposure limit of individual sensors in the QRAE II Note This function does not include LEL or oxygen sensors 1 Select a sensor by pressing MODE until the sensor s name is highlighted 2 Press MODE to step through the sensor s digits 3 Press Y to increase the number from 0 through 9 Once the number 9 is reached pressing Y causes the numbers to wrap around to 0 and count up again 4 Press and hold MODE for 3 seconds to advance to the next sensor 5 Follow the same procedure as steps 2 and 3 After you have performed all necessary modifications 6 Press MODE to advance to Save or Quit 7 With Save selected press Y to save your settings or MODE to advance to Quit without saving settings Back Press MODE to return to the top of the Change Alarm Limits menu or press Y to return to the top of the Normal Mode menu
48. s The QRAE II begins charging automatically The LED in the cradle should glow red to indicate charging During charging the display shows this message Charging At the same time the voltage is indicated in the QRAE II s display as well as an electrical plug icon is shown next to the battery Ur When the QRAE IPs battery is fully charged the message Fully Charged is shown in the display and the icons for the electrical plug and the battery are shown When charging is complete the LED in the cradle glows green Page 8 QRAE II User s Guide Note A spare battery can be charged by placing it directly on the charging cradle See Charging A Spare QRAE II Battery on page 48 for details Note An Alkaline Battery Adapter part number 020 3403 000 which uses three AA alkaline batteries may be substituted for the Li Ion battery See page 47 for details WARNING To reduce the risk of ignition of hazardous atmospheres recharge batteries only in areas known to be non hazardous Remove and replace batteries only in areas known to be non hazardous Low Voltage Warning When the battery s charge falls below the shutoff voltage the display shows Battery low turning off The QRAE II then turns itself off Recharge the battery by placing the QRAE II in its cradle Clock Battery An internal clock battery is mounted on one of the QRAE IPs printed circuit boards This long life battery keeps setting
49. s The QRAE II is now operating in Normal Mode To Exit Normal Mode Whenever you turn off the ORAE IL it will start up in Normal Mode unless you intentionally place it in Diagnostic Mode Follow the detailed instructions on entering Diagnostic Mode and Programming Mode for information on entering the other two modes After it is shut off the QRAE II will automatically be in Normal Mode the next time you start it NORMAL MODE Main Display STEL TWA Peak amp Min Cleared Peak amp Min Cleared Datalog Started LEL Span Gas Date Battery voltage Stop Datalog LEL Measurement Gas Time Battery shutoff Temperature Run time O Datalog Stopped Use MODE key to advance except Start Datalog where noted Peak This tells you the highest reading for each sensor since the QRAE II was turned on Press Y twice to clear the Peak and Min or MODE once to advance to Min Page 14 QRAE II User s Guide Min This tells you the lowest minimum reading for each sensor since the QRAE II was turned on Press Y twice to clear the Peak and Min or MODE once to advance to STEL STEL This provides Short Term Exposure Limit STEL data These are based on 15 minute STEL values of H2S and CO in ppm and 8 hour Time Weighted Average TWA TWA The TWA time weighted average reading is the average reading of the gas concentration times the fraction of 8 hours that the monitor has been on
50. s in memory from being lost whenever the Li ion battery or alkaline batteries are removed This backup battery should last approximately five years and must be replaced by an authorized RAE Systems service technician It is not user replaceable Page 9 QRAE II User s Guide User Interface The QRAE IPs user interface consists of the display LEDs an alarm transducer and two keys labeled MODE and Y The LCD display provides visual feedback that includes time sensor mode battery condition and datalog enable disable status Display MODE key Aem Gas inlets User Interface Icons Icon Indication Battery Voltage low flashing Battery Low alarm triggered Battery fully charged Battery charging Alkaline Battery Adapter in use Alkaline Battery cannot be charged Datalogging active flashing Datalog memory full Page 10 QRAE II User s Guide Turning The QRAE II On To turn the QRAE II on hold down MODE for 2 seconds Caution The alarm is very loud During startup you can mute most of the sound by holding a finger over the alarm port Note Do not put tape over the alarm port to permanently mute it When starting up the QRAE II simultaneously turns the backlight on and off beeps once blinks once and vibrates The screen shows On RAE Systems Inc QRAE II Language This is followed by a progression of screens that tell you the QRAE II s curre
51. se subite ou erratique de la valeur peut indiquer une concentration de gaz hors gamme de d tection qui peut tre dangereuse Note les v rifications d talonnage ainsi que les talonnages peuvent tre r alis s sur la station d auto talonnage RAE Systems AutoRAE M Page 5 QRAE II User s Guide General Information QRAE II is a programmable Multi gas monitor designed to provide continuous exposure monitoring of oxygen hydrogen sulfide carbon monoxide and combustible gases for workers in hazardous environments It monitors with the following types of sensors 1 Combustible gases are monitored with catalytic bead sensors 2 Hydrogen sulfide and carbon monoxide are monitored with electrochemical sensors 3 Oxygen is monitored with a solid polymer electrolyte SPE sensor Key Features Lightweight and Compact 12 3 oz 350 g handheld size Dependable and Accurate 14 hours of monitoring with microcontroller User Friendly Menu driven intuitive end use operation Programmable Alarm Thresholds Audio buzzer and flashing display alarm e Standard configuration includes CO HS LEL and O sensors e Replaceable rechargeable Li Ion battery e Large easy to read display e Datalogging with large memory e Visual alarm with bright red flashing LEDs e Loud audible alarm 95dB at 30 cm e Vibration alarm e Rugged weather resistant composite case Page 6 Specifications QRAE II User s Guide QRAE II Specif
52. step through the digits and then press the Y key to enter Programming Mode Page 19 QRAE II User s Guide Navigating Programming Mode The following diagram shows Programming Mode s five submenus and how to navigate through them Note Press MODE to navigate from one menu choice to the next and Y to make selections NORMAL MODE OR DIAGNOSTIC MODE Main Display O O Use MODE key GD to advance except where noted PROGRAMMING MODE Calibrate mn Change ll Change WR Change m Change Sensor E Alarm Limits Monitor Datalog Monitor Setup Configuration Limit All Data Alarm Mode Fresh Air x Limit Period Time Clock Multiple Sensor STEL Alarm Select Change Single Sensor Limit Data Type Backlight Mode Set LEL Display Unit z Alarm Limit Datalog Password Back Modify Span Change Aver Change LEL Full Type aging Method Span Gas Back Change Dis B play Language Set Temp erature Unit Enter Password Change LEL Measurement Gas Enable Disable Sensor Enable Disable Run Silent Change Startup Mode Back Page 20 QRAE II User s Guide Calibrate Monitor The QRAE II is designed to perform automated calibrations Note The procedures for calibration are covered in a separate section Calibrating The QRAE II on page 38 The submenus and actions are shown in the following diagram Calibrate Monitor 0 Fresh Air Calibration O
53. ta CSA Class 1 Division I Group A B C D T4 US amp Canada KEMA ATEX II 2G EEx d ia II C T4 Europe No effect when exposed to 0 43mW cm RF interference 5 watt transmitter at 12 10cm 64 000 readings 64 hours 5 channels at 1 minute interval in non volatile memory Programmable 1 to 3 600 second intervals Separate alarm limit settings for TWA STEL Low and High alarm Download data to PC and upload monitor setup from PC through an RS 232 link to PC serial port 20 C to 50 C 4 F to 122 F 0 to 95 relative humidity non condensing Refer to RAE Systems Technical Note TN 114 for sensor cross sensitivities Refer to RAE Systems Technical Note TN 144 for LEL sensor poisoning Page 7 QRAE II User s Guide Charging The QRAE II Battery Always fully charge the battery before using the QRAE II The QRAE II s Li ion battery is charged by placing the QRAE II in its cradle Contacts on the bottom of the QRAE II meet the cradle s contacts transferring power without other connections Cradle Note Before setting the QRAE II into its charging cradle visually inspect the contacts to make sure they are clean If they are not wipe them with a soft cloth Do not use solvents or cleaners Follow this procedure to charge the QRAE II 1 Plug the AC DC adapter into the QRAE IPs cradle 2 Plug the AC DC adapter into the wall outlet 3 Place the QRAE II into the cradle and press down until the LED glow
54. tacts on top of the six matching charging pins 3 Plug the AC DC adapter into the wall outlet The QRAE II battery begins charging automatically During charging the LED in the cradle glows red When charging is complete it glows green Release the battery from the cradle by pressing the keys on both sides of the cradle and lifting the battery out of its slot Note If you need to replace the 3 7V Li ion battery pack replacements are available from RAE Systems The part number is 020 3402 000 Page 48 QRAE II User s Guide Replacing Sensors Under normal operating conditions sensors lose their original sensitivity after the expected operating life and need to be replaced Warranties The oxygen O2 combustible gas LEL hydrogen sulfide H2S and carbon monoxide CO sensors all have a 2 year warranty Replace a sensor when it fails to calibrate If it fails to calibrate retry calibrating it Check the QRAE IP s parameter settings and check that the calibration gas is not beyond its Use by date For further details refer to RAE Systems Technical Note TN 123 Special Diagnostic Modes For RAE Systems Instruments available at www raesystems com The sensors are located inside the front of the monitor See RAE Systems Technical Note TN 114 Sensor Specifications And Cross Sensitivities for additional information available at www raesystems com To replace a sensor 1 Turn off the QRAE II 2 Place the QRAE I
55. the QRAE II Li lon Battery Caution Turn off the QRAE II before removing or replacing the battery Place the QRAE II face down on a soft surface 2 Use the hex wrench to loosen each of the three screws by turning them counterclockwise 3 Hold the QRAE II down and lift the compartment cover by pulling on the belt clip Page 46 QRAE II User s Guide 4 Turn the QRAE over and slide the battery out of its compartment 5 Place the new battery into the compartment with its six gold plated contacts aligned over the six pins 000 ooo 000 ooo Note Before installing the new battery visually inspect the contacts to make sure they are clean If they are not wipe them with a soft cloth Do not use solvents or cleaners 6 Place the cover over the compartment 7 Tighten all three screws by turning them clockwise with the hex wrench Installing The Alkaline Battery Adapter The Alkaline Battery Adapter substitutes for the Li Ion battery The adapter part number 020 3403 000 accepts three AA alkaline batteries use only Duracell MN1500 or Energizer E91 to provide approximately 12 hours of operation 2 Place the QRAE II face down on a soft surface 3 Use the hex wrench to loosen each of the three screws by turning them counterclockwise 4 Hold the QRAE II down and lift the compartment cover by pulling on the belt clip 5 Turn the QRAE over and slide the Li ion battery out of its compartment Page 47
56. to exit to the next menu item EAS The diagram below shows the difference between the two startup modes Page 33 QRAE II User s Guide NORMAL STARTUP FAST STARTUP M Hold MODE y M Hold MODE t for 3 seconds co 100ppm T for 3 seconds to start ORAE Il H2S 15ppm to start ORAE Il Li co 35ppm H2S 10ppm RAE Systems Inc QRAE II English RAE Systems Inc QRAE II English Date Time Temperature CO Installed H25 Installed OXY Installed LEL Installed Version Serial Number Alarm Mode Battery voltage CO Installed Shutoff voltage H25 Installed OXY Installed LEL Installed Unit ready in 15 seconds Datalog Mode Last Calibration Date Time Main Screen Datalog Period Alarm Limits Datalog Time Left Unit ready in 10 seconds 35ppm 10ppm 19 5 10 LEL Main Screen Back Press MODE to return to the top of the Change Monitor Setup menu or press Y to return to the top of the Normal Mode menu Change Sensor Configuration You can select which sensors are enabled disabled and change the type of LEL measurement gas and unit of display for LEL in this set of submenus Page 34 QRAE II User s Guide The following diagram shows how Change Sensor Configuration s menus are organized and how to navigate them Change Sensor Configuration Change LEL Measurement Gas Main Display Press MODE to step from Save to Quit to up or down arrow Choose gas

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