For use in
Zone 1 and Zone 2
49 different signal sequences adjustable with internal DIP switches
Three different signal sequences can be selected through an external switch with a given DIP switch setting
Three PFEER signals
"Toxic gas alarm"
"Prepare to abandon platform"
Robust plastic enclosure (ABS)
Synchronized tone sequence of parallel operated devices by quartz-controlled oscillator
Option: speaker module, programmable