Operating Temperature
: -10°C to 40°C
Humidity Range
: 15% to 95% R.H. (non-condensing)
Audible Alarm
: 85dB(A) at 3m minimum
Self Diagnostics
: Horn beep and amber fault light flashes every 40 seconds if a sensor fault is found.
Tamperproof
: Locking screw is supplied.
CO Alarm Memory
: A unit will indicate if it has been in alarm previously by flashing the red light
for 2 seconds every 40 seconds (2 flashes for 50 ppm CO, 4 flashes for 100
ppm CO and 8 flashes, for 300 ppm CO). When the test button is pressed
the red light flashes as per table B and also indicates the previous CO alarm
level detected. The memory is cleared by holding down the test button until
the red light stops flashing (takes approx 20 seconds).
When the test button is pressed the display shows the highest CO level
detected since it was reset.
Digital Display
: Range 30 - 300ppm CO
Resolution 5 ppm CO
With a depleted battery -
CP
With sensor faulty -
SF
With Test/Hush button pressed - shows previous peak CO level
The memory is cleared by holding down the test button until the display
reads 000 (takes approx 20 seconds).
Sensor Replacement
: Amber light flashes every 45 seconds (after being installed for 6 years) to
show the sensor must be replaced (also see sensor replacement date on
sidewall label).
Note:
The sensor can only be replaced once.
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