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OPERATION MANUAL

PORTABLE IAQ METER

CO2Meter.com

131 Business Center Drive
Ormond Beach, FL 32174 USA
Support: (386) 256-4910
Email: [email protected]

Содержание 77597

Страница 1: ...OPERATION MANUAL PORTABLE IAQ METER CO2Meter com 131 Business Center Drive Ormond Beach FL 32174 USA Support 386 256 4910 Email Support CO2Meter com ...

Страница 2: ...also suggested in regulations of industrial hygiene in some countries see Appendix The portable CO2 meter uses NDIR non dispersive infrared technology to ensure reliability and long term stability It is useful in verifying HVAC system performance and air ventilation control The IAQ meter also measures carbon monoxide CO is a colorless odorless and tasteless gas which is lighter than air It is high...

Страница 3: ... turns Designed with NDIR non dispersive infrared Waveguide technology CO2 sensor Programmable warning CO level Long term NDIR CO2 sensor drift compensation Audible alarm 80db threshold setting Max Min TWA STEL functions included Mini USB to PC download function for analysis 99 memory points manually recorded 24 000 data points auto recording Review 99 points manual record Hold function freezes cu...

Страница 4: ...e in correct polarity and good contact When an adaptor is used it will cut off the power supply from batteries The adaptor can t be used as a battery charger When battery voltage gets low B will appear on the LCD Fig 1 The CO2 sensor cannot work normally under low voltage Please replace with fresh batteries or connect the adaptor Fig 1 3 CO2 PM B POWER SUPPLY ...

Страница 5: ...ure Dry air temperature Wet bulb temperature Unit of relative humidity Celsius Fahrenheit temperature In calibration mode In manual automatic logging In manual records recall mode TWA B DP TA WBT RH o C o F CAL REC RECALL Turns on and off the meter Enters setup mode while meter is off Sets as non sleep mode with HOLD Exits setup recall page Start automatic logging ON OFF SET START ESC Press to swi...

Страница 6: ...e normal mode and clock Fig 3 The real time display will cycle between date and time in turns Fig 2 Fig 3 While waiting for 30 seconds to warm up is best for a quick start you can press MX AVG N for 2 seconds to end the warm up and show the normal display TAKING MEASUREMENT The meter starts when the power is turned on and updates readings every second When the operating environment changes quickly...

Страница 7: ...ading in ppm on the main display Fig 5 The lower display shows the real time clock AIR DP WB Temperature Press MODE to switch to temperature display Fig 6 You can view the dew point temperature and next the wet bulb temperature Fig 7 The lower display shows the real time clock Press MODE RECALL Fig 6 Fig 7 Humidity Press MODE to switch to humidity display RECALL Fig 8 The lower display shows the r...

Страница 8: ...DATA HOLD In normal display mode press HOLD to freeze the readings HOLD icon is flashed on the left top of LCD Fig 9 All current readings are kept unchanged Press HOLD again to cancel the hold function Fig 9 N MX AVG N to see the minimum maximum MX AVG N ESC If the meter is turned on for shorter than 15 mins the STEL and TWA values will be the weighted average of readings taken since power on The ...

Страница 9: ...isplayed parameters Fig 14 Press the key to leave this mode and return to normal mode You can tell between the normal display and current review by checking the time display format In normal display the date time display in turns In current review the time display is the accumulated time of how long you are in max min mode MIN Fig 11 Fig 10 Fig 13 Fig 12 NOTE MANUALY RECORD RECALL FUNCTIONS ARE DI...

Страница 10: ...the reading changes quickly you can press HOLD to freeze the reading before manually recording Fig 15 the data The manually recording function is disabled in min max mode 99 MEMORY RECALL The meter has 99 memory locations that can be saved and reviewed In normal or hold mode press MODE key RECALL for more than 2 seconds until the icon flashes Press or to scroll through the memories The memory seri...

Страница 11: ...es over the set value and stops only when the readings fall below the set value It beeps again if the value goes over the limit DATA LOGGING The meter can automatically record readings of CO2 CO TEMP RH for long time environment monitoring The memory capacity is 8 000 points Users can set that sampling rate from 1 second to 4 hours 59 minutes and 59 seconds See SETUP Section START After sampling r...

Страница 12: ... recording another data log The meter turns off automatically after 20 minutes of inactivity To override the function hold down and at the same time for 2 seconds until n appears Fig 20 NOTE AUTO POWER OFF IS DISABLED DURING CALIBRATION Fig 20 Fig 21 When the meter is off hold down for more than 1 second to enter setup mode Press or to scroll through the setup options Press to exit setup mode 11 S...

Страница 13: ...ig 22 Press START to return to P10 ESC P20 CO ALARM When entering setup mode P20 and ALAr Fig 23 are displayed on LCD Press N to go into P21 and set the MX AVG CO alarm threshold The current set value will blink on the LCD Fig 24 Press HOLD to increase the value or MEM to decrease The selectable alarm limits are 15 200ppm Each press is 5ppm When the preferred alarm value is set press N to save the...

Страница 14: ...OGGING SAMPLING RATE Go into P40 for setting sampling rate of data logging Fig 27 The range is from 1 second to 4 hours 59 minutes and 59 seconds N Press MX AVG and it goes into setting with blinking Hour digits on the lower display To change the digit press HOLD to increase and MEM to decrease Press to confirm and enter Minute setting MX AVG N N Press MX AVG again to confirm and ente Second setti...

Страница 15: ...MX AVG N Fig 30 Fig 29 Press START to return to P50 ESC P60 REAL TIME CLOCK Go into P60 to set the real time clock Press to enter into P61 to set the time format as 12 or 24 hour The current setting will flash on the LCD Press or to change the format and press the key to confirm NOTE Date format is YY MM DD The date will show on the lower display with the year digit blinking Press to increment or ...

Страница 16: ...conds to turn on the meter and enter calibration mode Fig 33 Press or to choose from humidity CO or CO2 calibration menus Press key to select the calibration 400ppm and icon will blink on the screen Fig 34 Wait about 10 minutes until the blinking stops and the calibration is completed automatically To abort the calibration press at any time NOTE Ensure the batteries are fully charged or meter is p...

Страница 17: ... Fig 33 Press or to choose the 33 humidity calibration menu Press to select 33 calibration 32 8 if at 25o C and to start Meter is now calibrating and will finish in about 60 minutes when CAL and humidity stop blinking To abort calibration press at any time 75 calibration Plug the sensor probe into 75 salt bottle and enter calibration mode In calibration mode press HOLD to select 75 calibration Fig...

Страница 18: ...te First press START MEM then also ON OF ESC SET simultaneously for 3 seconds to turn on the meter and enter calibration mode Fig 33 Press HOLD or MEM to select the CO 0ppm or 400ppm calibration ppm and Press icon will blink on the LCD to start the calibration MX AVG N Fig 36 37 Wait about 10 minutes until the blinking stops and the calibration is completed automatically To abort the calibration p...

Страница 19: ...n again Fixed readings Check whether data hold is activated HOLD icon displayed Slow response Check whether the air flow channels on the rear are blocked Error messages E01 E33 CO2 sensor is out of order Try new battery first E02 The value is under range E03 The value is over range E04 The original data error results in this error DP WB E11 Retry humidity calibration E16 Retry CO calibration E31 T...

Страница 20: ... at the right side of the meter and the other port to PC Then install the software in your PC with the following procedure 1 Insert the CD Rom and run installation Select a preferred directory and click Next step by step and finish it 2 After the software installation is completed it will run USB driver installation next 19 PC CONNECTION ...

Страница 21: ... the COMPort setting column Logger Settings To set up logging plan click Setting icon and select Logger The setting page is opened Users can set up the logger identifier number Click OK for setting and Exit the screen to confirm the settings 20 Software Operation Auto Connect Start the software and it will detect ...

Страница 22: ... middle In the Graph display the Y axis indicates Temp RH DP WBT CO2 CO level in different line colors And the X axis can be switched to show Time or Record number stamp Data Review Function The following functions help to view the GRAPH data in more detailed way Under View function there are 4 tools to enlarge the Graph data for detailed data review Zoom in Hold down Ctrl key on the PC keyboard a...

Страница 23: ...e left button of the mouse to select an area on the Graph and the Y axis of the selected area will be enlarged Three icons on the right top side of the main screen Redraw After any review and zooming on the Graph click Redraw to reset it to original format Clear Click Clear to delete all data and Graph on the window A warning box shows up for confirmation Press Yes and all data will be cleared Cur...

Страница 24: ...t specified 10 ppm for less than 100 ppm 10 or reading for 101 500 ppm 20 of reading for 501ppm and above 0 6o C 0 9o F 3 RH at 25 o C 10 90 RH 5 RH at 25 o C other range 30 seconds CO Temperature Relative Humidity CO2 Warm up time Response time CO2 CO Tair RH LCD Meter size mm Operating condition avoid condensation Storage condition Power supply Battery life Weight 30 seconds 90 step change 60 se...

Страница 25: ...8 hours average TWA is 1 000ppm Type 2 indoor areas with special requirements of good air quality such as schools hospitals day care centers the suggested CO2 level is 600ppm Regulatory Exposure Limit ASHRAE Standard 62 1989 1 000ppm CO2 concentrations in occupied buildings should not exceed 1 000ppm Building bulletin 101 BB101 1 500ppm UK standards for schools say that CO2 levels averaged over th...

Страница 26: ...5 0 1 Normal background levels 9 Maximum indoor air quality level ASHRAE Residential standards 25 Maximum limit 8 hrs of continuous workplace standards 35 Maximum 8 hrs average exposure 50 Maximum concentration for continuous OSHA standards 100 Remove employees from enclosed 100ppm per OSHA exposure limit 200 Mild headache fatigue nausea and 400 Frontal headache life threatening in flue gas per th...

Страница 27: ...fective 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 All liabilities under this agreement shall be limited to the actual cost of the product pa...

Страница 28: ...urn and the original order number If we determine that the product has failed because of improper use water damage dropping tampering electrical damage etc or if it beyond the warranty date we will inform you of the cost to fix or replace the product For more information visit our website www CO2Meter com pages faq Contact us We re here to help If the troubleshooting guide above doesn t help you s...

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