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User Manual

Carbon Monoxide (CO) and Carbon Dioxide (CO

2

) Meter

With Air Temp/RH Measurements and Dew Point/Wet Bulb calculations

Model CO260

Additional User Manual Translations available at

www.extech.com

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Summary of Contents for CO260

Page 1: ...User Manual Carbon Monoxide CO and Carbon Dioxide CO2 Meter With Air Temp RH Measurements and Dew Point Wet Bulb calculations Model CO260 Additional User Manual Translations available at www extech com ...

Page 2: ...o power off Mini USB connector Manual and automatic recording Safety Information IMPORTANT CARBON MONOXIDE CO SAFETY NOTES The CO260 Carbon Monoxide Monitor is intended for general purpose Air Quality monitoring only and has not been certified for use pursuant to any state or city safety Carbon Monoxide Alarm or Monitoring requirements The CO260 Carbon Monoxide Monitor has not been tested by an in...

Page 3: ...s nausea within 5 10 minutes DEATH WITHIN 25 30 MINUTES 6400 PPM Headache dizziness nausea within 1 2 minutes DEATH WITHIN 10 15 MINUTES 12800 PPM DEATH WITHIN 1 TO 3 MINUTES Regulatory exposure limits for Carbon Dioxide CO2 ASHRAE Standard 62 1989 1000ppm CO2 concentration in occupied building should not exceed 1000ppm OSHA 5000ppm Time weighted average over five 8 hour workday should not exceed ...

Page 4: ...ptor and Micro USB ports Battery compartment on rear of meter LCD DISPLAY LCD SYMBOLS CO2 Carbon dioxide CO Carbon monoxide TWA Time weighted average 8 hours STEL Short term exposure limit 15 minutes weighted average HOLD Freezes current reading on display MIN MAX Minimum Maximum readings Low battery indicator DP Dew point temperature TA Air temperature WBT Wet bulb temperature RH Relative humidit...

Page 5: ...o select MIN MAX TWA STEL function Short press in setup mode to save settings Battery Installation Four 4 AA batteries or an AC DC adaptor powers the meter Install the batteries into the rear battery compartment observing correct polarity When the adaptor is used the batteries are disconnected from the meter circuitry The adaptor cannot be used to charge rechargeable batteries When battery voltage...

Page 6: ... CO if necessary 2 To take a measurement trace the CO260 around the area of the suspected leak 3 The meter indicates the presence of carbon monoxide CO in ppm in the primary display The secondary display indicates the current date and time alternately 4 The display will flash and an audible beeper sounds at 25 ppm alerting the user to dangerous CO levels The higher the concentration of CO the fast...

Page 7: ...dary display shows the elapsed timer Press the ESC button to exit and return to normal operating mode NOTES 1 If the meter is ON for 15 minutes the STEL value will be the weighted average of readings taken since power on Similarly for the TWA mode when the meter has been ON for 8 hours the display only shows a weighted average of the readings up to the moment 2 The CO260 requires at least 5 minute...

Page 8: ... for information on setting the sample rate 1 After the sample rate is selected long press the ESC button to begin logging The rec icon flashes and the primary display shows the real time value The secondary display shows the current time and date alternately 2 Short press the M RCL button to select a different measurement mode to record 3 To exit the datalogger mode long press the ESC button The ...

Page 9: ...s will advance 5ppm 4 Short press the MXMN AV button to save the selection and return to P20 5 Short press the ESC button to exit without saving 6 Short press the H button to advance to the next step P30 Changing the Temperature Units 1 When in temperature setup mode P30 and unit display on the LCD Short press the H button to advance to P30 if necessary 2 Short press the MXMN AV button to advance ...

Page 10: ...n the LCD Short press the H button to advance to P60 if necessary 2 Short press the MXMN AV button to advance to P61 and set the time as 12 hour or 24 hour format The current time format will flash on the LCD 3 Short press the H or MEM button to change the format between 12 hour and 24 hour 4 Short press the MXMN AV button to save the setting and advance 5 The year will flash in the secondary disp...

Page 11: ...ng press the MXMN AV button to enter 75 calibration 3 CAL and current value 75 3 if at 25 C will blink on the LCD 4 The meter is now calibrating The calibration is complete in about 60 minutes The values will stop flashing and the meter powers OFF automatically when calibration is complete 5 To abort the calibration power OFF the meter at any time PC Interface This meter has the capability to conn...

Page 12: ... 20 to 59 9 C 4 to 140 F 0 1 Display LCD with backlight Display size 26 x 44 mm 1 0 x 1 7 Warm up period 30 seconds Response Time CO2 30 seconds 90 step change CO 60 seconds 90 step change Tair 2 minutes 90 step change RH 10 minutes 90 step change Sensor Type CO2 NDIR non dispersive infrared technology Humidity Capacitance sensor Temperature air Thermistor Operating Conditions 20 to 50o C 4 to 122...

Page 13: ...e batteries Open the battery compartment and using a small metal tip press the reset button Display Readings frozen on display Check to see if data hold function is activated Press hold to deactivate Display Slow Response Check for air flow blockage to sensors E01 E33 CO2 sensor is not working Replace the battery E02 Measurement is below the range of the meter Check readings in a different area E0...

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