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USER MANUAL

Carbon Dioxide Meter

Model CO240

Additional User Manual Translations available at

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Summary of Contents for CO240

Page 1: ...USER MANUAL Carbon Dioxide Meter Model CO240 Additional User Manual Translations available at www extech com ...

Page 2: ...on This device is shipped fully tested and calibrated and with proper use will provide years of reliable service Please visit our website www extech com to check for the latest version of this User Guide Product Updates and Customer Support Features Portable meter measures CO2 Air Temperature and Relative humidity accurately Measures CO2 0 9 999ppm using NDIR Non dispersive Infrared Technology Dua...

Page 3: ...eration Powering the meter Momentarily press the POWER button to power on the meter Hold the POWER button for 2 seconds to turn off the meter During measurement if the alarm is sounding audible beeper press the POWER button momentarily to turn off the beeper Press again to activate the beeper function The alarm beeper is set to ON by default The meter can be powered by 6 AAA batteries or AC Adapto...

Page 4: ...ton once will show the maximum value Pressing the button again will display the minimum value Pressing the button a third time will return the meter to its normal mode of operation While in MAX MIN mode press and hold the HOLD button for 2 seconds to reset clear the stored maximum and minimum values Selecting o C o F units of measure Press the UNIT button to select the desired temperature unit of ...

Page 5: ... seconds to save the alarm setting The LCD will return to its normal mode of operation The meter alarm limit default is 1000ppm OSHA Momentarily press the POWER button to toggle the alarm on and off PC Software This meter has the capability to connect to and communicate with a PC Check the software download page of the website www extech com software downloads for the latest version of the PC soft...

Page 6: ...rve all relevant regulations o Never dispose of batteries in a fire batteries may explode or leak o Never mix battery types install new batteries of the same type Troubleshooting Error Message Displays Erratic Readings Replace the batteries or use the AC DC adaptor and check again ER1 Display CO2 Temperature or Humidity sensor failure or a sensor communication error Send for service if display per...

Page 7: ...g Relative Humidity 0 to 95 RH avoid condensation Relative Humidity Accuracy 5 of rdg at 77 F 25 C otherwise 7 RH Dew Point Temperature range 99 22 to 118 F 72 9 to 47 C 0 1 resolution Wet Bulb Temperature range 12 2 to 118 8 F 11 to 48 2 C 0 1 resolution Storage Temperature 4 to 122 F 20 to 50 C Storage Humidity 0 to 95 RH avoid condensation Power AAA batteries x 6 pcs or AC adaptor Dimensions 8 ...

Page 8: ...for information on calibration and repair availability refer to the contact information below Annual calibrations should be performed to verify meter performance and accuracy Product specifications are subject to change without notice Please visit our website for the most up to date product information www extech com Contact Customer Support Customer Support Telephone List https support flir com c...

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