CEM CO-181 Instruction Sheet Download Page 8

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⑥

Measuring time mode

Entering this mode, you can read the measuring time

on the LCD. It will be cleared after you turn off the unit.

The unit will disable auto power off function in this

mode. While in other modes, the meter will enable auto

power off after about 15 minutes without pressing any

button.

⑦

Set alarm

In this mode, you can turn on / off the buzzer by

pressing SEL button. At the same time, LCD displays
‘on’ or ‘off’. When LCD displays ‘on’, the buzzer will

enable. Otherwise the buzzer will disable, but the alarm

light will enable.

Summary of Contents for CO-181

Page 1: ...1 Carbon Monoxide Meter Instruction Sheet...

Page 2: ...ze the effects of CO poisoning 0 1PPM Normal background levels 9 PPM ASHRAE Standard 62 1989 for living areas 50 PPM OSHA enclosed space 8 hour average level 100 PPM OSHA exposure limit 200 PPM Mild h...

Page 3: ...discontinuously with the Concentration of CO 4 Specifications Temperature Operating Storage 0 to 50 30 to 60 Operating humidity 0 99 Relative humidity non condensing Measurement range 0 to 1000PPM Mea...

Page 4: ...4 5 Instrument Familiarization CO sensor LCD Display MODE button Alarm light Power button SEL button Battery door...

Page 5: ...CD displays CO ppm and data Keep pressing SEL button over four seconds you can turn on off the backlight Press MODE button to enter maximum data mode Maximum data mode In this mode LCD displays the ma...

Page 6: ...the position of storage data by pressing SEL button Recall alarm mode Press MODE button again to enter this mode the LCD displays the alarm data 30ppm When the measuring data is more than 30ppm and le...

Page 7: ...7 middle of LCD will firstly with flicker then turn into zero and enter into the measure mode Measure mode Maximum data mode Recall data mode Store data mode Recall alarm mode Measuring Time mode...

Page 8: ...off function in this mode While in other modes the meter will enable auto power off after about 15 minutes without pressing any button Set alarm In this mode you can turn on off the buzzer by pressin...

Page 9: ...ed II Open battery cover then take out the battery from instrument and replace with a new 9 Volt battery and place the battery cover back 7 Common Sources of CO Common sources of potentially dangerous...

Page 10: ...ems Gas furnaces Room heaters Oil natural gas or LPG liquefied petroleum gas 1 Cracked heat exchanger 2 Not enough air to burn fuel properly 3 Defective blocked flue 4 Maladjusted burner 5 Building no...

Page 11: ...LPG 1 Not enough air to burn fuel properly 2 Defective blocked flue 3 Maladjusted burner 4 Building not properly pressurized Ranges Ovens Natural gas or LPG 1 Not enough air to burn fuel 2 Maladjuste...

Page 12: ...12 exchanger 5 Cracked firebox...