INSTRUCTION MANUAL
Contents
1. INSTRUMENTS INSTRUCTION amp OPERATIONS MANUAL AQ COMFORT PORTABLE MULTIFUNCTIONAL INDOOR AIR QUALITY MONITOR sions E Instruments International LLC 402 Middletown Blvd Suite 216 Langhorne PA USA 19047 Phone 215 750 1212 Fax 215 750 1399 Info E Inst com www E Inst com o 76 diy 20 ccur i A 7 iyya AQ COMFORT Instruction amp Operations Manual Version 1 01 TABLE OF CONTENTS CHAPTER RU nC TRUE 3 TECHNICAL SPECIFICATIONS amp SAFETY GUIDELINES 3 vp adici xb Dat p D dp Dot 7 INTRODUCTION c cccccssssesessssssssssssessceseseesesesesevavsesesesevausesesesevauesesesevavsesesesevarseseseeens 7 9 BASIC INSTRUMENT OPERATION s cscsscsesssssssssessssssssssessesssscesevsesesecesevseseseeesevanes 9 CHAPTER Asesino RUDI 12 POWER REQUIREMENTS c ccsscssessssssscssessssssscssevsesesscesevaesesecesavausesscesavaesesecevevanss 12 CHAPTER cis See een parr Sr Tere er muc pU NEN EIS Tenet 13 SENSORS TECHNICAL cccscscssssssssssssssssssesessssssssesaesesesesevaesesesesevarsesesssevarsesesesens 13 CHAPTER Geis ands cissndcidccdiicsanssischtnrediccaccidvatissadasosstiducsinccdiscbsdeductinccdicsasctdushanasdemiadiase 16 AG COMFORT SETUP uictum a nde ori CUR2. Press OK to Connect Device 1 001122334455 When you have connected successfully the printer s green status light will turn on Pressing the PRINT key will now display the PRINT MENU The PRINT MENU allows the user to print test records Print Test Record E struments Start Test Log Log Interval 60s Print Buffer Configure Record Serial 000000 Company Name TEST RECORD Edit Customer Name Calibration Record AUG 1 14 12 45 00 XX X Paper Feed On Off Aoc m Mobile Printer T ambient F RH XX X DP XXX F PRINT TEST RECORD This option will print a test record of OXXXX F the current air quality parameters E PRINT TEST LOG This option begins a log of the following air quality parameters gt Temperature RH Wet Bulb Dew Point and Carbon Monoxide Page 21 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 LOG INTERVAL This selects the interval between each log entry The interval can be set between 1 and 60 seconds PRINT BUFFER This option is used to print data stored in the monitor s memory Each line corresponds to one storage tag Tags containing data show an icon next to the index number When you scroll up and down the date mm dd and time hh mm when the data was stored appear at the bottom empty tags show the word empty To print the contents of a specific tag use the UP DOWN keys to move the arrow to the
3. See Chapter 9 for instructions on Zeroing the AQ Comfort Zero Gas Sensors Connecting Pitot Tube In air conditioning heating and ventilating work it is helpful to understand the techniques used to determine air velocity In this field air velocity distance traveled per unit of time is usually expressed in feet per minute FPM By multiplying air velocity by the cross section area of a duct you can determine the air volume flowing past a point in the duct per unit of time Volume flow is usually measured in cubic feet per minute CFM To make Air Velocity measurements using the AQ Comfort you will need to use the Optional 12 Pitot tube Follow Steps 5 amp 6 above to 1 turn the Velocity Probe option ON VEL will appear on the unit s main screen and 2 set up your Duct Size Connect the supplied hoses from the Pitot tube to the and or PRESSURE connections on the bottom of the AQ Comfort 6 PUMP Pump status is displayed a AUTO Automatic sample mode is selected b OFF The internal Pump is turned off DISPLAY CONTRAST Select the best value for viewing the LCD screen m BAUDRATE The communication speed for both the USB port and the Bluetooth connection is set here The default setting is 115 kbps Page 18 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 CHAPTER 7 INTERNAL DATA STORAGE The STORE MENU allows the operator to store data and manage the internal storage tags
4. Store Current Buffer Select Buffer Start Average Test Start Periodic Store Select Interval im Review Buffer Name Buffers Erase Buffers 00 TAG 00 The AQ Comfort has 1000 internal storage tags memory spots Each tag stores one complete set of air quality data There are two ways to store air quality data to the monitor s buffer You can either store data by selecting the option STORE CURRENT DATA after pressing the STORE key or alternatively you can make use of the monitor s capability of storing data automatically on a periodic basis You can set the time period between data storage The STORAGE MENU shows the relevant display lines for the storage options 1 STORE CURRENT BUFFER The monitor will store one set of data into the tag currently selected The index number and the name of this tag appear at the bottom of the screen 2 SELECT BUFFER Selecting this item will display an index of the monitor s 1000 internal storage tags Tags that are used have an icon next to their index number The selected storage tag is indicated by the reverse color line When data is stored this pointer will automatically advance to the next available tag If you want to store data in a different location use the UP DOWN amp OK keys to select a new tag As you scroll up and down tags containing data show their date and time at the bottom of the display Empty tags show the word empty 3 START AVERAGE TEST This will begin a period of dat
5. YAACSMOS3A Protective Magnetic Rubber Boot AQ Gas AQ Gas PC Software Kit with USB E852130 Bluetooth Dongle AQ 2 5000 NDIR CO Sensor 0 5000 ppm E852010 Rechargeable Battery Pack E85 9078 Printer Paper Roll E852020 AC Charger 100 240VAC 50 60Hz with 12V Output E852130 Bluetooth Adapter Dongle AQCAL Calibration KIT ZERO AIR Cylinder w Regulator AQAIR Replacement ZERO AIR Cylinder ONLY PRO8140 Vinyl Carrying Case with Shoulder Strap 852110 Remote Bluetooth Wireless Printer w Charger AACSF22 12 Probe and 10 hose 1 Differential Pressure Hoses Page 43 of 44 INSTRUMENTS dir AQ COMFORT Instruction amp Operations Manual Version 1 01 Accurag sslOns lt S INSTRUMENTS E Instruments International LLC 402 Middletown Blvd Suite 216 Langhorne PA USA 19047 Phone 215 750 1212 Fax 215 750 1399 Info E Inst com www E Inst com Page 44 of 44
6. 39 of 44 AQ COMFORT Instruction amp Operations Manual 7 OPTIONAL WIRELESS REMOTE PRINTER Part 852110 Version 1 01 The AQ Comfort uses a wireless Bluetooth remote printer The printer is powered by a rechargeable battery An AC charger is supplied with the printer The printer is optional with the AQ Comfort See Chapter 7 for more information 8 OPTIONAL CALIBRATION KIT ZERO AIR Part AQ CAL The AQ Comfort uses a bottled Cylinder of ZERO AIR for ZERO Calibration Part AQCAL comes with 1 17L ZERO AIR Cylinder amp 1 Regulator Part AQAIR is replacement 1 17L ZERO AIR Cylinder only Page 40 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 CHAPTER 13 BASIC TROUBLESHOOTING ZERO ERRORS Channel Possible Causes Resolution Electrochemical sensors Sensor has been recently exposed to gas and has not yet returned to zero Purge for 10 minutes with fresh air monitor sensor voltage and re zero Insufficient Warm Up Allow the sensors to warm up after 10 minutes Incorrect ZERO Repeat ZERO cal in fresh air calibration or with ZERO AIR cylinder Pump Failed Check pump flow if pump Battery was dead sensor has destabilized Sensor cell life has expired failed replace Charge battery wait up to 24 hours for sensors to stabilize and re zero Call E INSTRUMENTS replacement Temperature Thermocouple The
7. Inch pressure measurement mmWC Millimeters of water pressure measurement kPa KiloPascals pressure measurement mbar Millibars pressure measurement FPS Feet per second gas air velocity measurement MPS Meters per second gas air velocity measurement CMM Cubic meters per minute gas air velocity measurement CFM Cubic feet per minute gas air velocity measurement V Voltage battery Page 8 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 CHAPTER 3 BASIC INSTRUMENT OPERATION The AQ COMFORT is operated by the 9 button keyboard located on the front of the monitor The POWER key turns the instrument on and off The MEASURE key shows the currently measured parameters Displays the monitor s currently measured data in either of two 2 fonts A Small fonts all data displayed simultaneously plus range indicated battery condition and time B Large fonts four data parameters displayed simultaneously Note The AQ Comfort allows the user to ZOOM in and out of the screen by changing from Small to Large Fonts using the MEASURE Tey Press Measure key again to zoom back out e Four 4 keys will bring up separate Menus SETUP CALIB STORE amp PRINT Controls all customization parameters such as measurement SETUP units for the monitor Lun Controls calibration settings and zeroing of the monitor s sensors 71 iml rone Controls operation of the monitor s internal data storage s c
8. desired tag and press OK If you wish to print the entire monitor s stored data in sequence move the arrow to the entry ALL TAGS and press OK CONFIGURE RECORD This option allows the user to add delete or change the order of the parameters that appear on the paper print out EDIT CUSTOMER NAME This will display a screen EDIT HEADER INFO where you can change the information printed at the top of rxsTRUMENT AQ COMFORT each printout Usually the customer s name or the operator s name appears here To edit this information use the UP DOWN LEFT RIGHT keys to navigate around the keyboard and press OK to select the letter or number For lower case letters highlight shift and press OK for symbols highlight sym and press OK The arrows in the corner will move the cursor forward or backward through the name CALIBRATION RECORD This option will print a record of each sensor s last calibration including the date of calibration and span gas value used PAPER FEED This toggles the printer s motor on and off advancing the paper out the top of the printer as needed The motor will not turn on if there is no paper present MOBILE PRINTER The WIRELESS PRINTERS screen will appear You can disconnect your current Bluetooth connection and connect to another printer in range Page 22 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 CHAPTER 9 ZERO amp SPAN CALIBRATION NOTE CO should ALWAY
9. ele 16 r tu DIMUS 19 INTERNAL DATA STORAGE 04 1 19 Ea 21 WIRELESS REMOTE PRINTER center tnter tn snae tata tease sa as 21 GHAPTER di acaso ncs iut Pra GU Eon ERE 23 ZERO amp SPAN CALIBRATION cerent tentent tnn ansa ta tate anas sa os 23 30 AQ GAS 5 2 20022244 4 4 30 CHAPTER T nates Dein dp uda tne D vaa taut Dad DR 36 MAINTENANCE 0ccccccscssesessssscssessesssscesessesesscesevsesesecesevaesesecesavsesesecevavaesesesevarsesesneens 36 CHAPTER B REM 38 AG COMFORT 65 44 kat rg idt nS aC RN d v a nenne 38 CHAPTER 13 41 BASIC 5 tnnt 41 CHAPTER 2344 43 REPLACEMENT 5 43 Page 2 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 CHAPTER 1 TECHNICAL SPECIFICATIONS amp SAFETY GUIDELINES AQ COMFORT AIR Q
10. infrequent operation since the sensors have a typical life of a few years If you receive an error message for one of the sensors during instrument operation you may have to replace the sensor Please contact E Instruments for replacement sensors The user can send the unit back to the factory for sensor installation and re calibration of the instrument or the sensors can be replaced in the field The replacement sensors will be supplied with installation instructions NOTE You must always span calibrate the instrument every time you replace a sensor NOTE CO should ALWAYS be Calibrated or Zeroed with a Cylinder of ZERO AIR Do Not Use Ambient Air for sensor calibration Page 36 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 B Printer Paper Replacement The external printer uses a high quality 2 thermal paper Keep any spare paper rolls in a cool dark place to prevent paper discoloration 1 Press the open key on the printer to open the paper cover 2 Insert the paper as shown in the image Remove any remaining core of a used paper roll 3 Make sure to align the paper roll properly 4 Pull the paper out as shown in the image and close the cover 5 Tear off any excess paper in the direction of the side of the printer 6 Page 37 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 CHAPTER 12 AQ COMFORT OPTIONS The E INSTRUMENTS AQ COMFORT
11. is an extremely versatile Indoor Air Quality IAQ measurement system that meets many Air Quality measurement requirements It has been designed as a modular system permitting the installation of most of the various available options This manual describes the complete instrument equipped with all the options The AQ Comfort s standard capabilities include 1 NDIR CO sensor 0 5 000 ppm Ambient Temperature Relative Humidity Wet Bulb Dew Point one 1 separate Type K TcK thermocouple temperature measurement input Air Velocity measurements differential pressure measurements 1000 internal storage tags Bluetooth wireless PC communications REAL TIME Data Logging capabilities using the Optional AQ GAS Windows software USB Cable and extensive user friendly help screens The available additional gas sensor options and accessories are 1 AIR QUALITY MONITOR SENSORS Carbon Monoxide CO electrochemical sensor 0 200 ppm 2 OPTIONAL VINYL CARRYING CASE Vinyl Carrying Case which protects the AQ Comfort and any accessories from damage during transportation Extra inserts for other instruments and accessories 3 OPTIONAL MAGNETIC RUBBER BOOT The Rubber Protective Boot protects the AQ Comfort while allows for Hands Free Operation using the built in magnets Page 38 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 4 OPTIONAL EXTERNAL MEASURING PROBE Certain applications might have the need fo
12. you wish to use your own span gas to perform span calibrations you must take certain precautions and follow the instructions below carefully in order to calibrate the sensors properly Notice that you will need a number of certified gas cylinders Make sure that you use a bypass flow meter as shown below in the CALIBRATION APPARATUS section in order to supply an adequate flow of span gas without developing excessive or insufficient pressure on the sensors Make sure the concentration of the calibration gas is within the range of each sensor Do not use gas that will over range the sensor The CO span gas can be in the range of 30 200 PPM 2 accuracy with balanced nitrogen preferably The CO span gas can be in the range of 2500 PPM 296 accuracy with balance air Make sure the concentration of the calibration gas is within the range of each sensor Do not use gas that could over range the sensor Page 26 of 44 AQ COMFORT Instruction amp Operations Manual For greatest accuracy it is recommended that you use a span gas value close to the gas concentration you expect to measure Version 1 01 C CALIBRATION APPARATUS During calibration an adequate flow of span gas must be supplied without developing excessive pressure on the sensors A compressed cylinder of span gas must be equipped with a primary pressure regulator Connect the regulator of the bottled gas to the AQ Comfort inlet in the center port on the bott
13. 16 of 44 INSTRUMENTS A Q COMFORT Instruction amp Operations Manual Version 1 01 APR 1 14 12 45 00 Temperature Units F Measure Units PPM Pressure Units mbar Pumps AUTO 750cc m locity Probe OFF locity Units FPS Duct Size 0 in Display Contrast 24 Baudrate 115 kbps Version Every parameter listed on the SETUP MENU screen can be changed as follows a Use the UP DOWN keys to move the highlighted line to the parameter you wish to change b Press OK to edit the value The parameter you have chosen will become highlighted on the right side of the screen This indicates that you are in edit mode c Use the UP DOWN keys until the desired value of the selected parameter appears on the display d Press the OK key to execute the change A more detailed explanation of each parameter follows 1 DATE amp TIME The monitor s internal clock is displayed in the format month day year hour minute second Hours are always displayed using a 24 hour clock format Y displayed printed and saved in the selected units TEMPERATURE UNITS The UP DOWN keys toggle between F Fahrenheit and C Celsius The T1 temperature reading and ambient temperature will be PRESSURE UNITS Pressure measurements can be shown in millibar mbar inches of water inWC millimeters of water mmWC millimeters of mercury mmHG inches of mercury inHG pounds per square inch
14. B ELECTROMAGNETIC COMPATIBLITY Complies with EN61326 1 Portable Equipment The E Instruments AQ COMFORT Indoor Air Quality Monitor is a battery operated Portable device designed to be used by a qualified engineer technician to make measurements in buildings and residential facilities For long term testing you may operate the unit connected to the supplied charger by carefully following the product safety instructions in Section A above C ESD Protection In extreme cases or abnormal applications Electrostatic Discharge can potentially cause serious and immediate damage to the electronic circuits of the instrument D BATTERY DISPOSAL amp RECYCLING Recycle all applicable material properly Take faulty depleted batteries to proper collection recycling centers Do not dispose of with regular household items After the monitor s useful life please return to your local authorized E Instruments distributor or send back to E Instruments directly We will ensure that it is disposed of in an environmentally friendly manner uw X Dispose of batteries and the monitor according to statutory regulations Ee Page 6 of 44 INSTRUMENTS E pm AQ COMFORT Instruction amp Operations Manual Version 1 01 CHAPTER 2 INTRODUCTION A UNPACKING THE INSTRUMENT amp PARTS IDENTIFICATION E INSTRUMENTS AQ COMFORT kits excluding AQ Comfort 1 include as standard equipment IAQ Monitor Model AQ COMFORT with COs Temp RH
15. Dew point Temp WBT Differential Pressure and Differential Temperature Internal Continuous Sampling Pump Battery charger AC adaptor for the monitor USB Thumb Drive includes Instruction Manual Internal Wireless Bluetooth Calibration Certificate C PROPER SAFE USE 1 Follow all the instructions in the AQ Comfort manual Do not block the two 2 exhaust ports in the back of the instrument housing Do not expose the monitor to extreme temperatures outside the stated range Do not store or operate in dusty dirty areas Do not use instruments in the rain or high moisture areas to prevent water droplets on the external Temperature and RH Sensor Page 7 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 LIST OF ABBREVIATIONS PARAMETERS Carbon Dioxide NDIR measurement CO Carbon Monoxide Ta Ambient room Air Temperature RH Percentage of Relative Humidity DPt Dew Point Temperature WBT Wet Bulb Temperature VEL Air Gas Velocity measurement with optional pitot tube AP Differential Pressure with Velocity Probe turned OFF T1 Thermocouple Type K Temperature T1 Input BAT Battery Life Voltage NA Parameter Not Available UNITS PPM Parts of pollutant per million F Temperature Measurement in Fahrenheit Temperature Measurement Celsius WC Inches of water pressure measurement mmHg Millimeters of Mercury pressure measurement Hg Inches of Mercury pressure measurement PSI Pounds per Square
16. S be Span Calibrated or Zeroed with a Cylinder of ZERO AIR Do Not Use Ambient Air for CO sensor calibration Every instrument must occasionally be tested against some known value or standard in order to make sure that its accuracy has not deteriorated If the instrument is reading outside of the stated accuracies in this manual the unit should be calibrated by following the procedures described in this chapter This chapter will contain all of the information on calibrating and adjusting the AQ Comfort IAQ Monitor The term Span Calibration means comparing the AQ Comfort s readings to a standard concentration i e calibrated gas bottles and adjusting changing the AQ Comfort s individual sensor s readings to match the standard concentration for the most accurate measurements The term ZERO calibration refers to the user s ability to calibrate each sensor with zero concentration of the targeted gas See Chapter 11 Maintenance for recommended frequencies of each procedure If the unit is returned to E Instruments for Span Calibration the unit will be shipped back after Calibration with a new Calibration Certificate valid for one 1 year If the unit is Span Calibrated in the field the original calibration certificate is no longer valid NOTE Please take special care when performing Calibration of the monitor You cannot revert back to the factory setting after any adjustments CALIBRATION The CALIBRATION MENU lets you set s
17. TION ACCURACY CARBON MONOXIDE Std Range 0 200 ppm 0 1 ppm 1 ppm of rdg CO 0 2 ppm Note All Accuracies indicated above are under Laboratory Conditions 2 AIR QUALITY SENSORS NON DISPERSIVE INFRARED NDIR SENSORS SENSOR RANGE RESOLUTION ACCURACY CARBON DIOXIDE Std 0 5000 ppm 1 ppm 296 of Rdg COs Range 10 ppm 4 OTHER SENSORS SENSOR RANGE RESOLUTION ACCURACY Temperature Type K T1 0 2000 F 0 1 F 0 5 C 0 100 0 1100 C 0 1 C 5 gt 100 C Ambient 40 257 F 0 1 F 0 4 C 0 60 C Temperature 40 125 C 0 1 C Relative Humidity 0 100 0 196 2 RH Pressure 80 mbar 0 1 mbar 2 mbar Air Velocity 0 300 ft sec 1 ft sec Page 4 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 MODEL AQ COMFORT SAFETY GUIDELINES This section provides general rules which must be followed for product safety avoiding personal injury damage to equipment and preserving the manufacturer s warranty Please take care to carefully observe the following instructions A PRODUCT SAFETY INSTRUCTIONS NOTE Please take special care when performing Span Calibration of the monitor You cannot revert back to the factory setting after any adjustments NOTE CO should ALWAYS be Calibrated or Zeroed with a Cylinder of ZERO AIR Do Not Use Ambient Air for sensor calib
18. UALITY MONITOR PHYSICAL Material Blue ABS plastic case Dimensions monitor 8 6 x 3 9 x 2 inches 220 x 100 x 52 mm H x W x D Weight monitor 1 6 Ibs 0 725 kg Shipping Dimensions amp Weight monitor amp all accessories 8 3 6 kg 20 x 19 x 9 50 8 cm x 48 2 cm x 22 8 cm POWER 12 Volt 8 AH rechargeable Li lon battery pack Operating time 8 12 hours 110 240 input 12 V 2 5A fast charger Charging time 3 hours maximum DISPLAY 2 6 x 1 4 128 x 64 graphic chip on glass white backlit LCD display Rotating display depending on monitor case orientation Small and large fonts plus inverted background color for help messages Battery condition amp charger operation indicator WIRELESS REMOTE PRINTER Optional 2 high resolution high speed graphic thermal printer with charger prints A current set of data B stored data C periodic data printouts D calibration history and external messages INTERNAL INSTRUMENT PUMP Continuous Air sample pump high quality diaphragm pump with long life motor MEMORY STORAGE 1000 Internal memory storage tags each tag stores one complete set of data COMMUNICATIONS Bluetooth wireless Class 1 100m USB Cable SOFTWARE AQ GAS Windows PC Software Page 3 of 44 INSTRUMENTS AQ COMFORT Instruction amp Operations Manual Version 1 01 SENSORS 1 AIR QUALITY SENSORS ELECTROCHEMICAL SENSOR RANGE RESOLU
19. a averaging with the average values stored periodically in successive memory tags The interval between each storage cycle is displayed below and can be set by the user Once enabled this line will read STOP AVERAGE TEST Page 19 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 4 START PERIODIC This will turn on the periodic store function In this mode the unit will continuously store data at an interval displayed on the next line Once enabled this line will read STOP PERIODIC 5 SELECT INTERVAL The time between each store is set here This can range from 10 seconds to 60 minutes 6 REVIEW BUFFER This choice allows you to view previously saved data Press OK The display will switch to the data screen with the data in the first tag displayed The time and date when the data was saved will appear at the bottom of the display Use the UP DOWN keys to scroll through the tags 7 NAME BUFFERS This choice will take you to NAME BUFFERS another screen where you can rename one or Starting Tag 00 more tags This is useful if you use several tags gnding Tag 00 together to form a test series Select the starting test index with the UP DOWN LEFT RIGHT keys and press OK Next select the ending test index The cursor will move to the first character of the first tag s name and the alphanumeric keyboard will appear Use the UP DOWN LEFT RIGHT key
20. age for all Air Quality parameters 3 Select a variety of saving and printing options 4 Retrieve stored data Refr esh System OK Page 33 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 5 Set alarms for every air quality parameter including recording the time duration that alarms have been exceeded 6 Plot bar graphs and time plots of all air quality parameters The AQ GAS software can be downloaded from the included USB Thumb Drive Windows 8 users may have to load drivers from the following link http www makeuseof com tag how can i install hardware with unsigned drivers in windows 8 Consult the AQ GAS manual for details on installing and operating the program The manual be accessed by clicking on Help and then How Do 1 in the AQ GAS software program STARTING AQ GAS 1 Before starting AQ GAS have your AQ COMFORT turned on and connected via USB or Bluetooth 2 Start the AQ GAS Software program If you have connected before the monitor icon will automatically appear If this is the first time you are connecting you will need to add a new port 3 On the AQ GAS window click on Connections then click on Add Port K Air Quality Gas Analyzer Software Creone Scan All Ports Add Port Ports Page 34 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 4 E
21. apabilities 1 Insert Bluetooth Dongle on an open USB drive on your PC Next insert Dongle s CD ROM If it does not open automatically go to My Computer and open the software program from the CD ROM 2 Follow the on screen instructions to install software 3 After restarting your PC wait for the Add New Connection Wizard to appear If it does not appear then double click on the Bluetooth symbol at the bottom of the screen New Connection Wizard E3 This wizard will create the settings for Bluetooth device connection Please ensure your Bluetooth devices are on and set to discoverable In order to certify Bluetooth there are times when the security setting is modified temporarily When setup ends it returns to the original setting automatically Express Mode Recommended Custom Mode This allows you to set the details for the connection Power on your AQ COMFORT Select Express Mode and click next Your instrument will appear as COMFORT xxx The will be the serial number of the AQ Comfort You may have to click on refresh Select your AQ COMFORT and then click next Add New Connection Wizard EJ mo T Select a device Please choose the Bluetooth device you wish to use Bluetooth device Device Name Nokia 5230 BlackBerry 8830 Page 31 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 7 You will automati
22. as Sensors Page 24 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 Press the OK key to execute a zero cycle of all the gas sensors This procedure should last 60 seconds At the end of the zero period the AQ Comfort reads the output of all gas sensors and sets them all to zero If no error messages appear at the end of the countdown proceed with your measurements ZERO This will set the zero point of You must use cylinder of ZERO AIR for ZERO CALIBRATION Connect Cylinder to the inlet connection on the bottom of the AQ Comfort using the optional accessories included in the CALIBATION KIT Part AQCAL See CALIBRATION APPARATUS section below for how to connect Scroll down using down arrow key and have the cursor reverse color point to the line Zero CO2 Sensors Press the OK key to execute a zero cycle of the CO Sensor This procedure should last 60 seconds If no error messages appear at the end of the countdown proceed with your measurements 2 ZEROing Sensors using OUTDOOR FRESH AIR with the exception of CO If you are not using bottled ZERO AIR it is important to select a location where the ambient environment of the monitor is clean from traces of carbon monoxide or other toxic gases The user should be at least 20 30 feet 6 10 meters away from any buildings parking lots highways and any other possible exhaust sources If in doubt of the ambient air pleas
23. at will list PORTS among other items Click on PORTS e The comport will be listed as o USB Serial Port USB Device Manager File Action View Help omma Computer Name 1 Computer amp Disk drives 3 Display adapters DYD CD ROM drives 93 Floppy disk controllers Floppy disk drives 4 IDE ATA ATAPI controllers ae Keyboards Mice and other pointing devices Monitors B Network adapters Ports COM amp LPT A 4 Communications Port COM1 7 Communications Port 2 27 Printer Port LPT1 888 Processors SCSI and RAID controllers Sound video and game controllers Storage volumes System devices Universal Serial Bus controllers Standard Serial over Bluetooth link Bluetooth 2 USING AQ GAS SOFTWARE You can enhance the performance and versatility of the E INSTRUMENTS AQ COMFORT by using the AQ GAS software program AQ GAS is available for most Windows operating systems B File View Optio The AQ GAS software is a robust package that allows you to Period Air Quality Gas Analyze qv Sample _ i5miues eset V AutoSave gt Data File C Users PJC Desktop DATA1 TXT ms Settings Help Show V Statistics Alarms 05 09 13 14 32 35 Current 1 Monitor all Air Quality T Ambient parameters 2 Record maximum minimum aver
24. ature and Humidity Please contact E Instruments for proper Calibration Procedure Pressure and Air Velocity Calibration Procedure 1 9 gs eu o Connect a pressure calibration standard to the pressure connector on the bottom of the instrument In the SETUP menu make sure the velocity sensor is off Press the CALIB key to enter the calibration menu Scroll down to SPAN AP and press OK Using the calibration standard generate a pressure value near the maximum stated value for the scale being used for instance 80 mbar if using the mbar range Enter the value generated as the span value using the arrow keys and press the enter key Verify that the reading on the instrument matches the reading on the calibration standard Page 29 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 CHAPTER 10 AQ GAS SOFTWARE 1 COMMUNICATIONS The AQ Comfort Monitor communicates with a PC either using the USB cable or wirelessly using its internal Bluetooth BT module If your computer does not have internal BT capabilities use the external BT module that is supplied with the AQ Comfort The communication protocol is as follows BAUD RATE 115000 baud FORMAT 8 bits 1 stop bit no parity HANDSHAKE None USB CONNECTION For USB connections use the A to B type USB cable supplied with the instrument To establish a USB connection the FTDI USB driver must first be installed on your computer The USB drivers fo
25. cally be connected to your AQ COMFORT If a passkey is required it is 0000 four zeroes 8 The next prompt will give you the COM Port number please make note of this as you will need it to communicate with the AQ GAS software Then click Next Add New Connection Wizard port setting Setup of COM43 complete Setup application software and driver if needed 9 The Bluetooth Settings window will now Stings Woe appear with your AQ COMFORT listed Y with serial number shown Double click the icon to connect Once successfully connected your icon should change from the one below on the left to the one below on the right 10 Run the AQ GAS software and add the Bluetooth COM Port number to begin communicating with your AQ COMFORT Page 32 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 ALL CONNECTIONS When you connect your AQ COMFORT to your computer for the first time the connection will be assigned a unique comport number Remember the comport number as it will be needed to open an AQ GAS session You can find the comport associated with your E INSTRUMENTS in the Windows Device Manager To open the Device Manager e Go to the Windows START menu click RUN and type devmgmt msc Or go to the Control Panel choose the System icon then the Hardware tab and click the Device Manager Key Awindow will open th
26. e Humidity The Wet Bulb is calculated from the ambient temperature relative humidity and barometric pressure The wet bulb is displayed on the Large Font MEASURE screen only as WBT C External temperature sensor T1 The thermocouple is located at the bottom right side of the monitor It can be used with any optional or separate Type K thermocouple probe and or wire The T1 temperature measurements are displayed on the Large Font MEASURE screen only as T1 D Differential Pressure Air Velocity sensor If the monitor comes with the Differential Pressure option and or the air velocity option optional separate L type Pitot tube and pressure tubing the internal pressure sensor is a very low range pressure sensor The Velocity measurements are displayed on the MEASURE screen only as VEL Differential Pressure is displayed on the MEASURE screen only as AP E Connecting Differential Pressure Hoses Connect Metal Hose Connections to either P or P Connection as shown P only will give you Positive pressure P only will give you Negative Page 15 of 44 E instruments die AQ COMFORT Instruction amp Operations Manual Version 1 01 pressure Plug in both as shown below for Differential Pressure All single amp differential readings are shown on main MEASURE screen as AP SINGLE PRESSURE DIFFERENTIAL PRESSURE CHAPTER 6 AQ COMFORT SETUP The SETUP MENU allows the operator to change the instrument s parameters Page
27. e use the ZERO AIR cylinder When you turn the instrument on in clean ambient air wait at least one 1 minute to allow the monitor to warm up before carrying out the zero calibration ZERO GAS SENSORS This will set the zero point of CO Pressure and Velocity values based on the clean ambient conditions Have the cursor reverse color point to the line Zero Gas Sensors Press the OK key to execute a zero cycle of all the gas sensors This procedure should last 60 seconds Page 25 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 At the end of the zero period the AQ Comfort reads the output of all gas sensors and sets them all to zero If no error messages appear at the end of the countdown proceed with your measurements ZERO THERMOCOUPLE This calibrates the one external thermocouple input T1 to ambient temperature Be sure the Thermocouples being testing are at room temperature before Calibrating To start the zero procedure press the CALIB key and select ZERO Thermocouples B SPAN CALIBRATION E Instruments recommends performing a span calibration of the instrument once every 6 months for maximum accuracy or at a minimum of once per year The parameters that require a span calibration are carbon monoxide and carbon dioxide You can carry out all span calibrations in sequence NOTE You must always span calibrate the instrument when a sensor is replaced Span calibration using your own gas If
28. i Executes print commands for the monitor s optional remote Bluetooth printer The menus are navigated with the UP DOWN LEFT RIGHT amp OK keys Page 9 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 INSTRUMENT OPERATION OVERVIEW AQ COMFORT STARTING INSTRUCTIONS 1 Turn the AQ Comfort on by pressing the POWER key The instrument s internal pump will immediately turn on and the E INSTRUMENTS logo will appear The instrument will begin to draw in air from the center SAMPLE IN inlet A at the bottom of the unit 2 lf applicable attach the optional probe and sampling line to the monitor 3 Press the MEASURE 1 to view the Main Measuring Screen including ambient temperature barometric pressure relative humidity and dew point The toxic gas readings you selected in your kit are also displayed CO amp CO CO will appear only if sensor was installed 4 Atinitial startup allow the CO sensor up to 1 minute to warm up and stabilize CENSET The MEASURE key allows the user to toggle zoom os between a small font and a large font screen 79 1 F 46 9 The battery icon is displayed in the middle of the bottom DPt 57 0 F AP 0 0m line of the display Its condition is marked by the shaded fraction of the icon If the unit is powered by the battery charger a small plug icon will replace the battery icon 12 45 00 NOTE Depending on the options NOTE When connecting the bat
29. led and disabled by entering a 4 digit code See section D below for the code SENSOR HISTORY The date that each sensor was installed is displayed along with the date the sensor was last calibrated and the span gas concentration used SPAN XXXX The remaining lines of the CALIBRATION MENU are used for carrying out span calibrations of the CO and CO sensors For detailed use of these settings please refer below A ZEROING THE AQ COMFORT Select CALIB key to go into Calibration Mode There are two 2 methods to Field Calibrate the GAS amp CO Sensors on the AQ Comfort 1 ZERO Gas Sensors using the ZERO AIR Cylinder to zero all gas sensors 2 Using Outside fresh Air to Calibrate the gas sensors except the CO sensor 1 ZEROing ALL GAS Sensors using a certified Cylinder of ZERO AIR If you have a gas cylinder bottle of ZERO AIR you can use this for Zeroing ALL of the gas sensors in the AQ Comfort If you do not have this cylinder please contact E Instruments to purchase our optional Calibration Kit consisting of ZERO AIR amp regulator for proper calibration of the AQ Comfort part AQCAL ZERO GAS SENSORS This will set the zero point of the CO value Connect Cylinder to the A inlet connection on the bottom of the AQ Comfort using the optional accessories included in the CALIBATION KIT Part AQCAL See CALIBRATION APPARATUS section below for how to connect Have the cursor reverse color point to the line Zero G
30. nter the COM port number which appeared in the Device Manager and click 5 The COM port with its number should appear on the left side of the AQ GAS window AQ GAS will look for a monitor on this port After a moment the E INSTRUMENTS monitor icon should appear You are now connected to your monitor 6 Click on the E INSTRUMENTS icon A menu will appear Choose Monitor from the menu Follow the AQ GAS manual for further instructions Connections File Help Monitor Setup Storage Terminal Remove Port Page 35 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 CHAPTER 11 MAINTENANCE The AQ Comfort Indoor Air Quality Monitor is a sophisticated analytical instrument designed to perform accurate air quality measurements However because the monitor is a portable field lab used instrument that can be used in many environments care must be taken to prevent physical and environmental abuse to help maintain trouble free operation There are some components that will require periodic inspection and or replacement INTERVAL ITEM PROCEDURE Weekly ZERO Check of ALL Gas Sensors Perform using ZERO AIR Weekly ZERO Check of the Sensor Perform using ZERO AIR Annually SPAN Calibration of ALL Gas Sensors Perform Span or Send to Factory Note These stated intervals are dependent on the unit s usage and applications A Sensor Replacement This should be an
31. o error messages Electrochemical Gas Sensors 1 Turn the AQ Comfort on and press Measure Allow the instrument to warm up for 15 minutes before beginning the calibration procedure 2 Connect the outlet from the tee fitting of the gas calibration fixture to the A inlet connector on the bottom of the monitor using the set up shown in the above calibration apparatus photo 3 Turn on the gas flow and observe the gas readings on the instrument If the gas reading for the sensor being calibrated does not increase after a few seconds turn off the gas flow until the problem is found Otherwise press OK 4 Press the key labeled CALIB to enter the calibration menu 5 Scroll down to SPAN TIME and set the value to 20 seconds Page 28 of 44 INSTRUMENTS E p AQ COMFORT Instruction amp Operations Manual Version 1 01 8 9 Scroll down to the sensor to be calibrated first If the calibration lock is on enter the password 1315 Use the arrow keys to enter the span value printed on the calibration cylinder being used Press OK When the countdown reaches 3 seconds there will be a series of beeps indicating that the calibration has been preformed Verify that the reading for the sensor being calibrated matches the value entered in the calibration menu and that the reading for all of the other sensors is zero 10 Turn off the gas flow 11 Repeat this procedure for each electrochemical sensor to be calibrated Temper
32. om of the unit A simple way to feed the span gas to your monitor is by an open T connection that will ensure that gas is fed at ambient pressure The regulator valve is used to control the flow of gas to the monitor To ensure that the span gas is fed properly and as efficiently as possible connect a bypass flow meter at the outlet Adjust the regulator to maintain approximately 750 cc min of flow at the outlet You must not feed gas to the AQ COMFORT under pressure and you must not starve the AQ COMFORT s pump for gas When feeding the gas you must maintain a reasonably constant pressure near ambient pressure Gas Calibration Fixture Control Fitting adaptor 54 MPT x 54 O D tube 316 SS Tubing Parker Parflex 54 x 040 wall Ball Valve 54 O D 316 SS Elbow 7 O D 316 SS Tee 54 O D 316 SS Flow meter 1 10 Ipm Dwyer 127420SV set 4 Ipm Fitting Adaptor 1 8 mpt x tube Page 27 of 44 B Eee AQ COMFORT Instruction amp Operations Manual Version 1 01 ZERO AIR Gas Bottle Calibration T for proper air press ure flow Gas Hose from Cylinder connects to Center A Inlet on Bottom of AQ Comfort for Span Calibration D CALIBRATION PROCEDURE The following page illustrates the sequence of key strokes to carry out a span calibration of the AQ Comfort It is assumed that the instrument has been zeroed and there have been n
33. on 1 01 CHAPTER 4 POWER REQUIREMENTS The E Instruments AQ COMFORT Indoor Air Quality Monitor is a battery operated Portable device designed to be operated by a qualified engineer technician to make measurements in buildings and residential facilities For long term testing please carefully follow the product safety instructions in Chapter 1 Power is supplied by a Li lon rechargeable battery pack The battery pack will supply power to the monitor for about at least 8 hours of continuous operation A 110 240 Volt AC charger having a 12 Volt DC 2 5A output is supplied with the instrument The battery charger will fully charge the battery pack in three hours You can check the condition of the batteries at any time 1 By pressing the MEASURE key small font screen and observing the battery icon located at the bottom of the display E Battery Full DL Battery Empty h Battery Charger 2 By pressing the MEASURE They trae font screen the user can scroll all Ww the way to the end using the DOWN arrow key to observe the battery life shown in Voltage When the unit is operating on its internal batteries the voltage displayed will vary from an initial 8 0 to 8 4 volts fully charged dropping slowly to approximately 7 volts batteries nearly empty When the battery voltage drops to 7 1 volts a low battery warning will appear on the display Within a few minutes later the instrument will automatically turn off
34. pan calibration Zero Gas Sensors values for each sensor and performs all sensor BERG POS Sen Scr calibrations The CALIBRATION MENU is shown below Zero Thermocouples Zero Errors Zero Time 60sec Span Time 120sec Span Lockout ZERO GAS SENSORS This will set the zero point of sensor CO Pressure amp Velocity values A brief explanation of the parameters shown follows below Span CO PPM Span 02 xxxx PPM ZERO SENSOR This will set the zero point of Span Velocity xx Span AP ZERO THERMOCOUPLE This calibrates the external Spon Andr ME C thermocouple input T1 to ambient temperature Span RH XX X Col Therme ZERO ERRORS This will display a list of sensors that were out of the monitor s acceptable range during the last zero countdown Page 23 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 ZERO TIME This is the countdown time for the zero procedure The zero cycle time should set at 20 60 seconds SPAN TIME When carrying out a span calibration you must introduce the span gas for an appropriate amount of time before the monitor executes the span calibration This setting which is the same for all sensors controls this time interval The span time is indicated in seconds SPAN LOCKOUT This controls access to the remaining span calibration menu options Span lockout prevents accidental or mistaken calibrations Span lockout is enab
35. psi or kilopascal kPa 1 mbar 0 10 kPa 0 40 inWC 10 2 mmWC 12 95 inHg 0 75 mmHg 1 45 PSI Page 17 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 4 VELOCITY UNITS Velocity Option Select between feet per second FPS meters per second MPS cubic feet per minute CFM or cubic meter per minute CMM AIR VELOCITY AND DIFFERENTIAL PRESSURE CAN NOT BE MEASURED SIMULTANEOUSLY USER MUST CHOOSE ONE OR THE OTHER To change the selection hit the SETUP key Using the DOWN arrow key scroll Down to VELOCITY PROBE and hit OK The OFF ON selection will be highlighted Use the Up amp Down arrow keys to change the selection from OFF to ON or vice versa With the Velocity Probe Selection OFF the AQ Comfort will measure Differential Pressure automatically With the Velocity Probe Selection ON the AQ Comfort will measure Air Velocity VEL automatically When you have your selection chosen hit the OK button and the entire Velocity Probe will be highlighted again Hit the MEASURE Button to get back to the Main Measurement screen once you are complete 5 DUCT SIZE Velocity Option Estimate the cross section area of your Ducts in square inches in and set this value to obtain automatic amp accurate Air Flow measurements in CFM or CMM NOTE When using the Velocity Feature on the AQ Comfort it is recommended to ZERO the readings BEFORE using the Pitot tube to ensure proper Velocity measurements
36. r Windows computers are located on the E INSTRUMENTS USB Thumb Drive e When you plug the USB cable from the computer to the monitor you should hear a small da ding sound indicating that the USB connection has been made f you have the FTDI USB driver already installed in your computer the computer will know and will NOT initialize the New Hardware Wizard e If the New Hardware Wizard appears you need to install the FTDI USB driver To install this driver 1 Locate the FTDI USB driver on the CD or download it from the E INSTRUMENTS website and save it to your desktop 2 The downloaded file is zipped Double click the zipped folder and choose Extract All Files Extract the files to a folder on the Desktop The driver files are in the FTDI USB folder 3 Follow the instructions in the New Hardware Wizard 4 You will have to go through the wizard twice once to install the ftdiport inf file and once for the ftdibus inf file BLUETOOTH CONNECTION For Bluetooth connections the connection process varies with different Bluetooth devices Follow your manufacturer s instructions for adding a device The E INSTRUMENTS Bluetooth modem is a Class 1 device with a maximum range of 100m Obstacles such as walls and equipment will reduce the effective range Page 30 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 The AQ Comfort is supplied with a Bluetooth Dongle to make connections to PC s without internal Bluetooth c
37. r the optional probe 12 long stainless steel probe with 10 ft long hose for hard to reach places separate areas etc The probe consists of the stainless steel extraction probe the sampling line and a Type K thermocouple for external temperature measurements with the probe This standard probe Part AACSF22 is suitable for temperatures up to 800 C 1470 F The end of the probe s sampling line connects to the A inlet connector on the bottom of the AQ Comfort and the thermocouple connector connects to the TcK TEMPERATURE 1 input on the bottom of the AQ Comfort 5 OPTIONAL L SHAPED PITOT TUBE Pitot tube This optional L shaped pitot tube consists of stainless steel tubing with the tips open and bent at a certain angle to properly measure air and or gas velocities The Pitot tube must always be oriented with the open tips parallel to the direction of the air flow The end of the Pitot tube assembly is connected by means of two flexible hoses to a very accurate pressure transducer located inside the monitor T 6 OPTIONAL DIFFERENTRIAL PRESSURE HOSES part 1 This optional PRESSURE HOSES consist of two 2 clear hoses for either 1 single positive pressure connection one 1 single negative pressure connection or 2 hoses for differential pressure using both connections simultaneously The hoses connect to the and or PRESSURE connections on the Bottom of the AQ wm Comfort Page
38. ration Do not operate the instrument outside of the parameters specified in the technical specifications Do not use or store the instrument together with any solvents Do not block the two 2 exhaust ports in the back of the instrument Do not expose the monitor to extreme hot or cold temperatures outside of the stated range in this manual Do not abuse the charger cord Do not use power cord for carrying pulling Keep cord away from heat oil sharp edges or moving parts Damaged or entangled cords can increase risk of electric shock Only use the supplied appropriate AC Charger If the monitor enclosure is ever unscrewed and taken apart avoid over tightening the screws that hold the two main enclosure pieces together Do not store or operate in dusty dirty areas Always use the monitor with care and use the instrument properly Do not use force when disconnecting and reconnecting the Black external Temp RH and Pressure Sensor see photo below Do not use instrument in the rain or high moisture areas to prevent water droplets on the black external Temp RH and Pressure Sensor Remember to have the monitor checked and calibrated at least once a year to ensure sensor accuracy and compliance with existing standards DO NOT LIFT OR HANDLE THE INSTRUMENT BY THE BLACK EXTERNAL TEMP RH PRESSURE SENSOR HOUSING See photo below Vv VVV WV VVV VV Vv WV Page 5 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01
39. rmocouple is not connected Check electrical connections running to the probe Infrared COs No response from infrared system Zero period must be at least 45 seconds Zero the instrument again with a cylinder ZERO AIR Infrared system is reporting error code Infrared system may need maintenance Velocity Velocity probe Pitot Tube is not connected Check probe and connections Bluetooth connection failure Connection Failed Redo connection process Page 41 of 44 INSTRUMENTS A Q COMFORT Instruction amp Operations Manual Version 1 01 TROUBLESHOOTING Symptoms Possible Causes Resolution Monitor will not turn on Screen is off Battery is discharged Plug in the charger Monitor should turn on Battery is not charging Check the charger and jack Check the case for excessive heat Internal initialization problem Reset the monitor Monitor turns on but screen is blue or faded Internal initialization problem Reset the monitor Monitor is overheating Unplug charger Turn on amp off to reinitialize Page 42 of 44 INSTRUMENTS A Q COMFORT Instruction amp Operations Manual Version 1 01 CHAPTER 14 REPLACEMENT PARTS PART NUMBER DESCRIPTION AQ CO2 5000 NDIR CO Sensor 0 5000 ppm AQ CO 200 CO Sensor 0 200 ppm
40. s to navigate around the keyboard and press OK to select the letter or number For lower case letters highlight shift and press OK for symbols highlight sym and press OK The arrows in the corner will move the cursor forward or backward through the tag s name 8 ERASE BUFFER This option is used to erase stored data Data that has been stored in the monitor s memory will be retained even after the instrument has been shut off and its batteries removed To erase the contents of a specific tag use the UP DOWN keys to move the arrow to the desired tag As you scroll up and down tags containing data show their date and time at the bottom of the display Empty tags show the word empty If you wish to erase all 1000 of the monitor s stored data move the arrow to the entry ALL TAGS and press OK Page 20 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 CHAPTER 8 WIRELESS REMOTE PRINTER The AQ Comfort uses an optional wireless Bluetooth remote printer The printer is powered by a rechargeable battery An AC charger is supplied with the printer First you must turn the printer on Then press PRINT to scan and connect with your wireless printer to establish communications between the monitor and the printer WIRELESS PRINTERS Device Connected Press OK to Continue Device 1 001122334455 WIRELESS PRINTERS WIRELESS PRINTERS Scan for printers Device Found Press OK to search
41. terference from other acidic gases 2 NDIR INFRARED SENSOR CO2 A non dispersive infrared or NDIR sensor is a simple spectroscopic device most commonly used to measure CO in indoor air quality applications The main components are an infrared source lamp a sample chamber or light tube a wavelength sample chamber and the CO gas concentration is measured electro optically by its absorption of a specific wavelength in the infrared IR NDIR SENSOR Gas Molecule IR Datactor Visible tm Lam JONES F Refector optional iter Sample Chamber The AQ Comfort Air Quality Monitor is equipped with one standard NDIR infrared sensor capable of CO measurement standard range 0 5000 ppm Page 14 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 The NDIR sensor have the following specifications CARBON DIOXIDE 0 5000 ppm 296 of reading CO 10 ppm 3 NON GAS SENSORS A Ambient Temperature sensor This is a solid state sensor located on the front panel of the monitor The ambient temperature is displayed on the MEASURE screen in either F or C The dew point is calculated from the ambient temperature and relative humidity The dew point is displayed on the Small and Large Font MEASURE screens as DPt B Humidity sensor This is a solid state sensor located on the front panel of the monitor The relative humidity is displayed on the MEASURE screen in RH 96 Relativ
42. tery charger to the enabled for your AQ COMFORT some monitor make sure that the plug icon appears the of the entries in one or more of the H displays shown above wili te MEASURE screen This ensures a proper power that option is not available connection and charging of the batteries Battery Full APR 1 714 12 45 00 Temperature Units F OD Battery Empty Measure Units PPM Pressure Units inWC ih Battery Charger Connected Pumps AUTO 750cc m Velocity Probe OFF Velocity Units FPS 5 f you are using the monitor for the first time press the Duet Size 0 in2 Display Contrast 24 SETUP key to set the appropriate parameters Baudrate 115 kbps 1 measurement units for your application See Version 1 02Li Chapter 5 for an explanation of each parameter Page 10 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 6 All sensor readings shown on the screen indicate ambient measurements To ZERO the gas sensors please see Calibration Chapter 9 of this manual 7 To obtain a printout of the data displayed press the PRINT key The cursor reverse color will point to Print Test Record Press the OK key to execute a printout on the AQ Comfort s optional Bluetooth remote printer 8 Measured data can be stored in the monitor s internal memory Please refer to Chapter 7 for more details about data storage Page 11 of 44 AQ COMFORT Instruction amp Operations Manual Versi
43. to preserve the remaining battery power for the sensor bias voltages Page 12 of 44 E instruments die AQ COMFORT Instruction amp Operations Manual Version 1 01 CHAPTER 5 SENSORS TECHNICAL The AQ Comfort Air Quality monitor s sensors are grouped into three categories based on their principle of operation 1 Up to one 1 CO Carbon Monoxide electrochemical gas sensor 2 One 1 NDIR infrared gas sensors CO 3 Non gas sensors Temperature Humidity Pressure and Velocity sensors The main section of the monitor houses all the electrochemical and NDIR gas sensors battery pack and PC board On the bottom of the unit there is a black external sampling system for Ambient Temperature and Relative Humidity The figure below shows the internal manifold of the gas sensors inside the unit SENSOR LIST CO CO Page 13 of 44 AQ COMFORT Instruction amp Operations Manual Version 1 01 1 ELECTROCHEMICAL SENSORS All electrochemical sensors are mounted on fitted socket fittings for easy installation and removal Capillary Diffusion Barrier Sensing Electrode Separator Eu M _ Counter Electrode Current Collectors gt Electrolyte Sensor Pins The electrochemical sensor is described here Carbon Monoxide sensor CO This is also a three electrode sensor that responds to carbon monoxide It is equipped with an inboard filter to remove any in
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