• Never use cleaning solutions on your alarm. Simply wipe with a damp cloth.
• Do not paint the alarm.
• Do not tamper with any of component as this may lead to a product
fault and cause Risk of death.
GAS SELECTIVITY
This alarm possesses conformity to selectivity which international stan-
dards require, and table 1 shows the selectivity to typical noise gases
defined in UL2034 and EN50291.
Table 1. Gas selectivity
Test gas
CO
Hydrogen
Methane
Iso-Butane
Carbon dioxide
Carbon di-sulfate
Hydrogen sulfide
Nitrogen oxide
Nitrogen dioxide
Ammonia
Ethyl acetate
Di-chloromethane
Heptane
Toluene
IPA
Ethanol
Hexa-methyl di-siloxan
Exposure time :* :30 minutes ** :40 minutes ***: 2 hours
18
Relative sensitivity (CO is 100)
100
40
0
0
0
0
0
0
Less than 5
0***
0***
0***
0***
0***
0***
Less than 2*
0**