Audible alarm: >85dB (3m from the unit)
Concentration range displayed: 10
—
550PPM
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
CO concentration
Without alarm
before
With alarm before
A
27±3 PPM
120 min
--
B
55±5 PPM
60 min
90 min
C
110±10 PPM
10 min
40 min
D
330±30P MM
--
3 min
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.
