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Audible alarm: >85dB (3m from the unit)
Concentration range displayed: 10
Accuracy of Digital Display:
A) 30PPM ±6PPM
B) 50PPM ±10PPM
C) 100PPM ±15%
D) 300PPM ±15%
Alarm response times: comply with BS EN 50291-1:2018
Condition
A
B
C
D
Low CO concentration warning: When CO concentration is greater
than 30PPM for a duration of more than 60 minutes, or when CO
concentration is greater than 40PPM for a duration of more than 40
minutes, low CO concentration warning will be made.
Quit alarm condition: When CO concentration is below 40PPM, alarm
will terminate automatically.
Power indicator: Flashes about every 45 seconds.
Fault warning: When a fault occurs, fault warning will be given within 3
minutes.
Suitable place: Domestic premises.
Product service life: 10 years.
IMPORTANT : After 10 years' lifetime, stop using the product for your
safety and scrap it according to local laws and regulations.
CO concentration
27±3 PPM
55±5 PPM
110±10 PPM
330±30P MM
—
550PPM
Without alarm
before
120 min
60 min
10 min
--
With alarm before
--
90 min
40 min
3 min
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