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Part Five – Technical Information
Power:
120V AC units: 60 Hz, Current 60 mA max. 9V Battery
Backup for Model KN-COB-LCB-A
Sensor:
Sensor calibrated at 150 ppm (±25 ppm).
Temperature:
Operating range: 40˚F (4.4˚C) to 100˚F (37.8˚C).
Mounting:
Direct Plug-In: No mounting screws needed.
Alarm:
85+ dB at 10’ @ 3.4 ± 0.5 KHz pulsing alarm.
This CO alarm meets response time requirements as follows:
At 70 ppm, the unit must alarm within 60-240 minutes.
At 150 ppm, the unit must alarm within 10-50 minutes.
At 400 ppm, the unit must alarm within 4-15 minutes.
How the CO alarm determines when to alarm
Your Kidde CO alarm uses advanced technology to monitor the
environment in your home and warn you of unacceptable lev-
els of carbon monoxide. An internal microcomputer works
together with the carbon monoxide sensor inside the alarm to
determine the levels of carbon monoxide in the air and to cal-
culate the rate that CO would be absorbed into the human
body.
The microcomputer is calibrated to trigger the alarm before
most people would experience any symptoms of carbon
monoxide poisoning. Because carbon monoxide is a cumula-
tive poison, long-term exposures to low levels can cause symp-
toms, as well as short-term exposures to high levels. Your Kidde
CO alarm has a time weighted alarm, so the higher the level of
carbon monoxide present, the sooner the alarm will be trig-
gered.