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Part Five – Technical Information
Product Specifications
Power:
120V AC units: 60 Hz, Current 60 mA max.
Sensor:
Sensor calibrated at 150 ppm (±25 ppm).
Temperature:
Operating range: 40˚F (4.4˚C) to 100˚F (37.8˚C).
Humidity:
Operating range 5-95% non-condensing.
Mounting:
Accessories supplied for wall mount, direct plug
and table top applications.
Alarm:
85+ dB at 10' @ 3.4 ± 0.5 KHz pulsing alarm.
How the Unit Determines When to Alarm
Your Kidde CO alarm uses advanced technology to monitor the
environment in your home and warn you of unacceptable levels
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 calculate the rate
that CO would be absorbed into the human body. The micro-
computer is calibrated to trigger the unit's alarm before most
people would experience any symptoms of carbon monoxide
poisoning. Because carbon monoxide is a cumulative poison,
long-term exposures to low levels can cause symptoms, as well
as short-term exposures to high levels. Your Kidde unit has a
time weighted alarm, so the higher the level of carbon monox-
ide present, the sooner the alarm will be triggered.
This Kidde CO alarm meets the alarm response time
requirements which are 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.
WARNING: This device is designed to protect individuals from acute
effects of carbon monoxide exposure. It will not fully safeguard individu-
als with specific medical conditions. If in doubt, consult a medical practi-
tioner. Individuals with medical problems may consider using warning
devices which provide audible and visual signals for carbon monoxide
concentrations under 30 ppm.
Accuracy of the Digital Display
Each Kidde CO Alarm is calibrated at a CO concentration of 150
ppm in air, at 80˚ F (+/- 10˚ F). Depending on the ambient condition
(temperature, humidity) and the condition of the sensor, the alarm
readings may vary.
The digital reading tolerances are:
Ambient: 80˚ F (+/- 10˚ F), atmospheric pressure +/- 10%, 40%
+/- 3% relative humidity.
Reading
0-999 ppm
Replacement of Alarm
Eight years after initial power-up, this unit will "chirp" every 30
seconds to indicate that it is time to replace the alarm. A label
has been provided that has "Replace by" printed on it. Write the
replace by date on the label and affix it to the front of the alarm
so that it is visible after mounting. The date written on the label
should be after eight (8) years of cumulative power.
REPLACE IMMEDIATELY! IT WILL NOT DETECT CO IN THIS CONDI-
TION.
14
Tolerance
(of displayed reading)
+/-20% +15 ppm
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