User Manual

3 CO100-en-GB_v2.3 9/16

9. ESCbutton

Pressthisbuttontoexitthecurrentmode.

10. ACadaptorsocket

11. PowerONLED



Backlight

TouchthebuttonareabelowtheLCDandthebacklightwillturnon.Itwillturnoffautomaticallyafter20

secondsofinactivity.Press“ESC”buttonatanytimeto

exitthefunction.



ABC(AutomaticBaselineCalibration)

ABC(AutomaticBaselineCalibration)establishesabaselinecalibrationtoeliminatethezerodriftof

theinfraredsensor.TheABCfunctionisalways“ON”whenthemeteristurnedon.ABCisdesigned

tocalibratethemeterattheminimumCO2readingdetectedduring7daysofcontinuous

monitoring(poweron).It

assumesthattheareabeingtestedreceivesfreshairwithaCO2levelof

approximately400ppmatsomeperiodoftimeduringthesevendays.Itisnotsuitabletousea

desktopCO2meterinclosedareaswithconsistentlyhighCO2levels,24hoursaday.

Maintenance

1. Themetershouldbecleanedwithadampclothandmilddetergentwhennecessary.Donotusesolvents

orabrasives.

2. Storethemeterinanareawithmoderatetemperatureandhumidity.

Specifications



Function Range Resolution Accuracy

CO2 0to9999ppm 1ppm ±75ppmor±5%ofreading

Temperature

23to122°F

(‐5°Cto50°C)

0.1° ±1.5°C/2.7°F

Humidity 0.1to90.0% 0.1% ±5%



Display LCDwithbacklighting

SamplingInterval: 2seconds

OverloadIndication: “‐OL‐”

SensorType CO

2:NDIR(non‐dispersiveinfrared)technology

OperatingConditions‐5°Cto50°C(23oFto122oF)at<90%RH

StorageConditions‐5°Cto50°C(23oFto122oF)at<90%RH

PowerSupply 110V～220VAC,output6.0VDC≥500mA(supplied) 

Dimensions/Weight

 117x102x102mm(4.6x4x4”);204g(7.2oz.)



Allrightsreservedincludingtherightofreproductioninwholeorinpartinanyform.

ISO‐9001Certified