This product is phased out and replaced by 33974 with 100 % compatibility!
Optical smoke detector for Loop 3000 with two optical sensors for earliest fire detection
and indication and with bidirectional isolator according to EN 54-7 and EN 54-17 . The
pollution detection of the smoke measurement chamber is enhanced by an additional
optical path, with automatically adapted and programmable detector sensitivities, fault
monitoring of both the measurement chamber signal and Loop 3000 electronics, and
periodic sensor testing. It supports automatic and manual addressing via Loop 3000,
integrates an isolator and T-branch option, and provides alarm output to control a
parallel indicator. All functions are fully integrated via the Loop 3000 protocol, with
presence and absence switching and selectable sensitivities, storage of the last
maintenance date, and a multicolour LED for alarm (red) and fault (yellow). The delivery
includes a protective cover for the installation phase.