Installation Instructions
Determining the Number of Transmitters
Determining the Number of Transmitters
The number of units required to protect an area is determined by the
unit's detection radius, which depends on the type of gas detected, as
shown in the following table.
Gas Detected
CO
Carbon monoxide
NO2 Nitrogen dioxide
Others
12
Surveillance
Radius
15 m (50 ft)
15 m (50 ft)
7 m (23 ft)
301EM User Manual
Area Covered
2
707 m
(7610 ft
2
2
707 m
(7610 ft
2
2
154 m
(1658 ft
2
)
)
)