User`s Manual - CO2Meter.com
Contents
1. 1410 1 t niei nn H ve tam i D alin WW piti ied Ho eer rie bet E e 074 hea ta A OCH e 0 as Treet Treet EErEE FEFFE i E H H ae 4 7 d b Be EE Hei RE EH HET Sai E gt 7 L DATE IRZDIIS LH ER v E s Za an itd ada d di Lai d beggen erer e EE EE OOP REET Fas abada ind E te tent bra se t vs B iy vd VR amp P aRZ2 LELEH 73 H L4 tee LJ DH spre P L Wetz 1011 TOME t tM RM IET IL 1 L4rfutia 246 E Peu A d wm pe BE qu n 9c e mim pies 1i VU SIIIIIT PONTI eR Ure nt mnm 1 7 Reb owererd ree oe reese ree YLAAI ewe e aoed eee Address for the MODBUS Figure 11 REV 2 5 PAGE 22 of 39 6 12 2014 USR 003 Gas Analyzer User s Manual DATA LOGS CO2Meter com Access logs display data graphically and view the data storage of the meter p 43 5 a Data Logs 11K nom TII Ie resi SIs ews Ge LLE pan HECK LLLI MUI Ar T Ei PRI SEMEL 1 Data 01 01 2015 LL psa te eat rs di ibd jin mur sid D 1301 palit il pr 1 3T iili ji Su SC it e I5 rm du i e k cb rp Tir PEERS I CARE 1 is js fl TET Lini T SH il wi 1 fidit ifii Ok A3 AAT di Ki ipia is d i Sr Gi a OH aH e HOHE S Pale HERE LIE ME pi LII EL mee TI not ibl E Figure 12 DATA LOGS screen USR 003 d SI H OTI IESTI i T m Ti REST Want AM j t Turon dA S2. CO2Meter com CO2 Measurement Specialists User s Manual CO2 Gas Analyzer Models Covered CM 1001 CM 1002 CM 1003 Rev 2 5 6 12 2014 WWW co2meter com Copyright 2014 CO2 Meter Inc All Rights Reserved Gas Analyzer User s Manual CO2Meter com Save meter information for future reference Model Number Serial Number Purchase Date USR 003 REV 2 5 PAGE 2 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Table of Contents WELCOME 4 IMPORTANT SAFEGUARDS 1 1 erreur nnn nnnm a anna uuum ua aua a Ra nnm nasa ana u unn 5 METER SPECIFICATIONS 14 eere nnnm nnn n nnn unm nna n nna a unn n nua a nna a unn 6 PACKAGE CONTENTT S leeren rrr nnn nnn nnum a anna auum nues yay RR annosa RR RR RR nnm or aaa nuu 7 INSTRUMENT OVERVIEW rennen rrr nnnm nnn nnn nnnm a nnn n uuum nua anna auam nnus aaa a nana 8 OPERATION GUIDE DEEN 13 POWERING METER ON 13 CHARGING THE METER ANEN 14 LODI P YER 14 TOUCHSCREEN FUNCTIONS rrr nnnm n nnn uun nna a naa a annnm a aaa u unn 15 MENU ARCHITECTURE AANEREN 16 NAVIGATION MENU EEN 17 lal 8i ae 18 SCENE EN KR DE 19 DOT OO 23 SEE c 25 DISPLAY SUONO ee 26 OUTPUTS S e a E A M 27 TIME DATE e 31 POG ING SCE ANU Ec M 32 OPERATION PU
3. User s Manual CO2Meter com x Sc Bac Yellow 500 709 MA Red 700 3900 IIR Figure 17 Output settings screen ALERT tab The ALERT is an additional function of the meter which when programmed the main screen will change colors according to the CO2 values that are pre programmed as shown below 1500 PPM sar Sarr ES USR 003 REV 2 5 PAGE 30 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com TIME DATE Settings Allows you to change the date and time on the meter for more accurate reference on the logs The default time of your meter may vary depending on your location NOTE Please review these settings before using the meter Time Date Oct fy 20 2013 Danma Figure 18 TIME DATE settings screen USR 003 REV 2 5 PAGE 31 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com LOGGING Settings Allows you to configure the logging interval specify the default file name and turn the PRESSURE COMPENSATION feature ON OFF as shown on Figure 19 below This will enable collection of data at a specified logging interval Figure 20 shows the PUMP tab screen which allows you to set the PUMP TIMER if desired If the pump timer is not configured the pump will run continuously until user stops it using the controls on the main screen NOTE Synchronize the logging interval of the meter so that it takes place while the pump is running inside the pump interval 28
4. e 13 p i Pressure Compensation Kl Pibiereattsiz Figure 19 LOGGING settings screen LOG tab USR 003 REV 2 5 PAGE 32 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Ly 2brtaill IM y duu ata HT nil d HA HI Id m l WII Hirt T Gul HEH i il WM ut Wil d ig Figure 20 LOGGING settings screen PUMP tab Operation Pump Only In order to use the meter sampling hoses must be attached to the inlet and outlet fittings on the top of the meter as shown on Figure 1 The pump will draw air from the inlet in a vacuum configuration push it through the sensing chamber and exhaust the air out through the outlet USR 003 REV 2 5 PAGE 33 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Closed Loop Operation Vacuum Pump Humidity Filter SAMPLING DEVICE EXPERIMENTAL CHAMBER Sensing Chamber Figure 21 Closed loop operation setup Open Loop Operation with Environmental Exhaust SAMPLING DEVICE Humidity Filter EXPERIMENTAL CHAMBER Sensing Chamber Environment Figure 22 Open loop sampling setup Utilization of the included humidity particulate filter is recommended for closed or open loop sampling to ensure sensing chamber and pump baffle remains clear and to prevent corrosion USR 003 REV 2 5 PAGE 34 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Troubleshooting Guide Symptom Possible Cause Solution Issue Meter Sensor
5. this product Please also pay special attention to the important safeguards shown on the pages ahead USR 003 REV 2 5 PAGE 4 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Important Safeguards To reduce the risk of fire electrical shock and or injury to persons basic safety precautions should always be followed when using electrical appliances including the following 1 2 go 10 USR 003 READ ALL INSTRUCTIONS BEFORE USING THIS METER Charge rechargeable meters for at least 8 hours before use The rechargeable meter contains a lithium polymer Li Ion battery Do not expose the meter to extreme heat or cold The Li Ion battery is not user replaceable Please don t attempt to open the meter and replace the battery Use only the included power supply to operate the meter Make sure that the tubes are securely attached to the device when sampling in a closed environment Do not operate with an obstructed sample path Do not allow the meter to be exposed to water Do not operate the device with the enclosure opened Do not operate the meter if it is malfunctioning SAVE THESE INSTRUCTIONS REV 2 5 PAGE 5 of 39 6 12 2014 Gas Analyzer User s Manual Meter Specifications Measuring Principle Measuring Range 1 CO2 30 100 C02 Repeatability 0 196 CO2 0 3096 0 10096 CO2 Accuracy Air Quality Aspect Measured Power Supply Maximum Voltage Minimum Voltage Power Consumption Op
6. using your fingertips with or without gloves or a stylus RH 9G 190 ta J g M Home Calibrate Data Logs Settings 7 Takes you to Takes you to A Takes you to Takes you to Main Screen Calibration b j Logs Screen Device Screen Settings USR 003 REV 2 5 PAGE 17 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com HOME Access to the main screen providing e CO2 values e RH Relative Humidity and Temperature values based on model e Ability to o START LOGGING o START PUMP 79 Gi 11 10am K 33 ICB ES d 960 m Start Logging RH 96 2 TMP 25 8 C U Figure 9 HOME main screen USR 003 REV 2 5 PAGE 18 of 39 6 12 2014 CO2Meter com Gas Analyzer User s Manual CALIBRATE In order to access the CALIBRATION screen shown in Figure 10 a passcode is required When prompted enter passcode 1234 on the key pad The calibration screen allows you to access various calibration options and the sensor information tab Calibration with 100 N2 nitrogen Calibration with fresh air at 400 ppm FITEN 1 Lal E n Fe Calibration with C02 or other known gas Figure 10 CALIBRATE screen REV 2 5 PAGE 19 of 39 6 12 2014 USR 003 Gas Analyzer User s Manual CO2Meter com Calibration The calibration process varies depending on the type of meter All meters are factory calibrated with multiple reference points of gas and have b
7. EV 2 5 PAGE 10 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Power Source The meter is powered by Li Ion Rechargeable 3 7v 60000 mhA battery but can also be powered by the included 6VDC International wall power supply Accessories Included As shown in Figure 3 This jack provides an integrated RS485 converter and terminates to wire ends Only three conductors D1 DO and Common are used This cables allows a host PC with suitable software to communicate with multiple RS485 devices on the cable FTDI USB to Modbus RJ45 Wiring RJ45 FTDI USB Terminal Orange White Blue RS485 B Table 1 RS 485 wiring USR 003 REV 2 5 PAGE 11 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com V 98t SY MOTISA 8 S8p Sd JONVAO GG punoue 3ooig Figure 3 One RS 485 jack connector Modbus protocol communications As shown in Figure 4 This quick connector allow you to use the Relay 2 option on the unit to control a fan solenoid valve or any device that work with 30 VDC and 1 A Also provide the connections fo futures accessories ORANGE NO Relay 2 BLUE RX Probe BROWN TX Probe GREEN COM Relay 2 BLACK Ground Probe WHITE Voltage Out for Probe RED Power VDC input YELLOW NC Relay 2 Figure 4 One 8 pin quick connector USR 003 REV 2 5 PAGE 12 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com As shown in Figure 5 This Micro SD card is used to storage all
8. MP ONE Eech 33 TROUBLESHOOTING GUIDE Lu ccccteccccccccssssssssecccccsecsseeeeecssesseeeeeeeenesseeeeeeeenesssseeeees 35 SUPPORT 36 NP NY c 36 RETURNS a 37 LABRIT REN 38 CONTACT WI 38 USR 003 REV 2 5 PAGE 3 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Welcome Thank you for purchasing our meter This portable meter allows you to measure carbon dioxide in inaccessible areas with a built in battery operated micro pump Inside the meter is a battery operated micro pump connected to two tubing ports on the side of the meter When the meter is turned ON the pump draws gas from one tube port and expels it from the other By connecting tubing to the inlet you can remotely sample gas By connecting tubing to both ports you can create a closed loop system and return the gas back to the original container This makes the meter perfect for measuring potentially dangerous high concentrations of CO2 in biological applications The meter comes in several models each with different CO2 levels 1 30 and 10096 CO2 All models include a data cable for optional tethered data The 3 2 touch screen display gives easy access to programming colors calibration logging mode outputs etc Please take some time to read through this manual in order to become familiar with your meter Make sure to visit our website regularly to find more information about
9. a E sl n IC ec REV 2 5 6 12 2014 EST SE GC T T G tt errr 1 8 eg Graph from selected PE Records list PAGE 23 of 39 Gas Analyzer User s Manual CO2Meter com Data Storage All models feature a 2GB memory micro SD card capable of storing data This will allow you to simultaneously read and store data of CO2 concentration levels Charge the meter 8 hours before any operation The logging period and real time clock will need to be set under the Settings menu as shown in Figure 13 The micro SD card has the capacity to store up to 12 million data points This micro SD card can be replaced with a compatible card with larger capacity if desired The supplied micro SD card comes with its adapter to ensure compatibility with your computer and facilitate the download process USR 003 REV 2 5 PAGE 24 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com SETTINGS Allows access to parameters options outputs communications and date time settings for changes or reprogramming Firmware version Display settings Figure 13 SETTINGS screen Scroll and select as needed from the list USR 003 REV 2 5 PAGE 25 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com DISPLAY Settings From this screen the brightness level and color theme 3 available can be changed on the meter In addition a Screen Timeout can be activated to save power NOTE This setting will not affect the mete
10. e refunds for any shipment expenses NOTE For items returned during the warranty period return shipping will not be charged Meters that are have failed due to improper use damaged abuse or are out of warranty period will be examined and an estimate of repair replacement will be provided to you USR 003 REV 2 5 PAGE 37 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Liability All liabilities under this agreement shall be limited to the actual cost of the product paid to CO2Meter com In no event shall CO2Meter com be liable for any incidental or consequential damages lost profits loss of time lost sales or loss or damage to data injury to person or personal property or any other indirect damages as the result of use of our products Contact Us We are here to help For information or technical support please contact us support co2meter com Lk 386 256 4910 Technical Support amp 386 872 7665 Sales ES www co2meter com Address CO2Meter 131 Business Center Ormond Beach FL 32174 USA USR 003 REV 2 5 PAGE 38 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com NOTES USR 003 REV 2 5 PAGE 39 of 39 6 12 2014
11. een verified to be accurate within their specific functionality before shipment However if the meter is severely jolted or otherwise mechanically disturbed the sensor can drift requiring recalibration Procedure To calibrate the meter follow these steps 1 Ds 3 Turn ON the meter and wait the warm up period 1 3 min On the Main Screen turn ON the Pump Expose the meter to ambient air assumed to be at 400ppm or connect it to a calibration gas bottle cylinder 100 nitrogen or Argon with the appropriate demand regulator or flow regulator Wait 25 seconds to collect a sample Write down this value as the before value Click the Calibrate button after selecting your calibration gas Wait 25 seconds again The meter will take a sample and use this data to adjust zero values The displayed measurement will show the new calibration value 0 or 400ppm depending on the method used Disconnect the calibration gas and wait 25 seconds All displayed data will now be based on the new calibration value Repeat this procedure if the sensor is still operating outside of its specified range or if readings vary greatly typically indicates that the calibration process was unsuccessful USR 003 REV 2 5 PAGE 20 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com 0 1 or 0 30 Sample Draw Meter Calibration can be performed using either the Calibrate to Zero or the FA Calibration option if using 0 CO2 calib
12. eration Charging Sensor Ratings Life Expectancy Maintenance Interval Warm up Time Pump Characteristics Maximum Flow STP Maximum Vacuum Maximum Pressure Maximum System Pressure Life Expectancy Physical Dimensions WxHxD USR 003 REV 2 5 CO2Meter com Non dispersive infrared NDIR sensor 0 10 000 ppm 0 30 or 100 vol 20 ppm 1 measured value 0 1 2 of measured value 30ppm 5 measured value CO2 concentration 9VDC 6VDC 0 5 W avg pump running 15W gt 15 years No maintenance required lt 1 min instant measurements 0 40 LPM 150 mbar 500 mbar 1atm 1 000 to 10 000 hours depending on sampling interval 3 85 x 8 25 x 1 65 inches PAGE 6 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Package Contents Please verify that your package contains the following items before using the meter 1 User manual 1 Meter 1 Rubber Boot 1 6 foot USB Cable 1 Li Ion Battery 1 8 pin Quick Connector 7 1 RS 485 Jack Connector 8 1 6VDC International Power supply 9 1 10 foot length 1 8 tubing 10 2 1 8 Barb tubing bulkhead fitting 11 2 1 8 Barb 10 32 fittings 12 2 Particle Filter CM 0118 13 2 Hydrophobic Filter CM 0117 14 2 Moisture Trap CM 0112 15 1 2GB Micro SD Card with Adapter oh oe eS a Optional Accessories e Nafion Tubing for Gas Sampling sensor TUB 0003 e Extreme Replacement filter CM 0103 F e Hy
13. g and whether both the pump and display are being utilized LCD DISPLAY The Liquid Crystal Display LCD touch screen shows the following information e Gas concentration level in parts per million ppm or in percentage format for all the models e Logging ON OFF e Pump ON OFF e Battery usage in 96 charging mode e Temperature C F Humidity optional USR 003 REV 2 5 PAGE 14 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Touchscreen Functions Use your finger or stylus pen to operate the resistive touchscreen display as shown in Figure 7 NOTE Do not use sharp objects to operate screen 79 Gr 11 10am B K 33 ICB Nas coz B Sei ppm ge RH 96 20 TMP 25 8 U Figure 7 Screen functions USR 003 REV 2 5 6 12 2014 Bluetooth optional Time Battery Gage Gas Reading s ppm Initiate or stop logging cycle Initiate or stop pump cycle Display graphically the values Barometric Pressure Indicator Temperature amp Humidity Indicator optional Navigation Menu PAGE 15 of 39 Gas Analyzer User s Manual CO2Meter com MENU ARCHITECTURE Figure 8 Menu architecture structure USR 003 REV 2 5 PAGE 16 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com NAVIGATION MENU The navigation menu appears when you press the triangular symbol as shown in Figure 7 You can fully interact and configure this meter
14. is The meter s batteries might be depleted not recognized by Replace the batteries with fresh ones or if the Handheld applicable connect the device to the included power supply or call support Meter doesn t Confirm the power adapter is connected to power ON the meter properly Ensure proper power supply and the adapter connected has the appropriate voltage If using batteries confirm they are not depleted logging Memory is full are not obstructed change minimum mode Battery lightning The power adapter output voltage is bolt icon not inappropriate Please use the included power shown when supply charging USR 003 REV 2 5 PAGE 35 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Support The quickest way to obtain technical support is via email Please send all support inquires to support co2meter com Please include a clear concise definition of the problem and any relevant troubleshooting information or steps taken so far so we can duplicate the problem and quickly respond to your inquiry Warranty This meter comes with a 1YEAR warranty period limited manufacturer s warranty starting from the date the meter was shipped to the buyer During this period of time CO2Meter com warrants our products to be free from defects in materials and workmanship when used for their intended purpose and agrees to fix or replace at our discretion any part or product that fails under normal use To take ad
15. podermic Needle Kit CM 0175 Note Please contact our technical support staff for more details about these accessories USR 003 REV 2 5 PAGE 7 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Instrument Overview Below Figure 1 and Figure 2 provide a view of the components on the top and bottom of the meter respectively as referenced throughout the manual O In Out Figure 1 Top view Q ON OFF ees USB Port In z Inlet for the Gas Micro SD Flash Drive Outz Outlet for the Gas RS 485 Modbus V Power Supply VDC Outputs Figure 2 Bottom view USR 003 REV 2 5 PAGE 8 of 39 6 12 2014 Gas Analyzer User s Manual USR 003 REV 2 5 6 12 2014 CO2Meter com Power Switch Press once for ON press amp hold for 5 seconds for OFF Barb Fittings Connect to sampling system for closed loop sampling Display Full color touch screen shows CO2 levels and other information Non Removable Protective Boot Protects meter from impact PAGE 9 of 39 Gas Analyzer User s Manual CO2Meter com Gently slide top edge of boot upwards to uncover top screw of battery compartment to i access batteries Battery Compartment Rechargeable battery Battery Compartment Screw Two 2 Phillips head screws other one covered by boot above 0 100 CO2 a Product Label Sample Data Logger Includes name type model and serial number of meter USR 003 R
16. r s functionality but is important to indicate that it will affect the battery life depending on how the parameter is set Display Bright SE Theme Cl assic vi Screen Timeout di LS Joes Figure 14 Display settings screen Scroll horizontally to set brightness USR 003 REV 2 5 PAGE 26 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com OUTPUTS Settings Change the parameters on the relays and other alerts Figure 15 Output settings screen RELAY1 tab RELAY 1 controls an audible alarm built into the meter it can be programmed to be activated by the CO2 readings Temperature and Relative Humidity as well as other sensors attached to the meter NOTE Temp RH probe is optional USR 003 REV 2 5 PAGE 27 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Figure 16 Output settings screen RELAYZ tab RELAY 2 is available as an output located on pin 8 of the female connector The meter includes a male connector that enables you to use the relay terminal NC NO COM to control any other device The diagram below will help you locate the terminals for the relay USR 003 REV 2 5 PAGE 28 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com ORANGE NO Relay 2 BLUE RX Probe BROWN TX Probe GREEN COM Relay 2 BLACK Ground Probe WHITE Voltage Out for Probe RED Power VDC input YELLOW NC Relay 2 USR 003 REV 2 5 PAGE 29 of 39 6 12 2014 Gas Analyzer
17. ration gas typically nitrogen Argon etc or a fresh source of air assumed to be 400ppm respectively 0 100 Sampling Meter with or without Data Logging The 0 100 meters do not include the FA Calibration option due to the CO2 range they measure To ensure the highest accuracy we recommend calibrating these meters with calibration gas 100 Nitrogen for ZERO and a knowing calibrate CO2 gas close to the concentration being measured Alternatively a 096 CO2 or ambient calibration can be performed To perform a calibration power your meter using the wall adapter and either expose it to ambient air or feed it with your calibration gas USR 003 REV 2 5 PAGE 21 of 39 6 12 2014 CO2Meter com Gas Analyzer User s Manual Info The Info tab allows you to change the MODBUS address of the unit to get RS 485 communication Also is where the meter information is located Meter ID Sensor Model and Sensor ID I2C MODBUS Address Handheld Meter Serial Sensor Type or Name Settings Sensor Serial SEPP pta EETEITITTETIIIIIO 1123 SE EE ZE Him Eh ee dE neee I KE gt ee dirti Or 13141131223 4 Saf pr rir at ML SEET NITIDE HATTE D Hee 1 e E ovi md ki Er WE 3 dEIBRSINUBI SES SES HESSIETIDISIT11235 2 132 291 tact to id eS ERA bas leat 7 esis HTMI euusiv EIEEEEERGNIIMEHRIPEIOmIICME MESS Mbt TEE eecte treet E IDEM oo in LE t ac e r r e D EI H B 4 IIe LEE La
18. the Logging data that you program the unit to collect It will stamp date an time and CO2 in a CSV file You can removed the card from the unit and download the data on a computer using the adapter that is included Figure 5 One 2 GB MicroSD card with adapter Operation Guide Make sure you read through these instructions thoroughly before using your meter This guide will help you become more familiar with your meter in order to be as productive as possible in a short period of time Please read the Important Safeguards on page 5 before continuing POWERING METER ON The meter can be powered by the following included accessories 1 The 6VDC international wall power supply 2 The internal Li Ion batteries 3 The USB cable when tethered to a computer Press the POWER Switch as shown in Figure 6 once to turn the meter ON Press and hold the POWER switch for 5 seconds to power the meter OFF USR 003 REV 2 5 PAGE 13 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Micro SD Power Switch Figure 6 Power switch CHARGING THE METER This meter comes with a rechargeable Li Ion battery that will charge when the meter is connected to either the USB cable or the included 6VDC power supply e The meter will charge faster when using the included 6VDC power supply e Charge the battery at least 8 hours before every use e The Li Ion battery has a life expectancy of 8 hours depending on data logging interval settin
19. vantage of this warranty the product must be returned to CO2Meter com at your expense If after examination we determine the product is defective we will repair or replace it at no additional cost to you This warranty does not cover any products that have been subjected to misuse neglect accident modifications or repairs by you or by a third party No employee or reseller of CO2Meter com s products may alter this warranty verbally or in writing USR 003 REV 2 5 PAGE 36 of 39 6 12 2014 Gas Analyzer User s Manual CO2Meter com Returns If the product fails under normal use it may be returned An RMA Return Material Authorization number is required to process any return no matter the reason To obtain an RMA number please send an email to support co2meter com When requesting an RMA number please provide the reason for return and original order number Once you have an authorization code you may complete your return processing by visiting www co2metersupport com rma When asked enter the authorization code you were provided Please use the original packaging if available when returning the meter to CO2Meter Include the provided RMA number on the outside of the box preferably on the shipping label Secure the meter inside the package properly to prevent any damage during transit Ship your meter to the address listed on your RMA paperwork CO2Meter com will not under any circumstances be responsible or issu
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