Signalling Devices Provide Alarm Notifications

The Yodalex series from R Stahl includes a wide range of signalling devices for hazardous areas, such as the YO6 omni-directional horn, the V6 beacon and the YL6 combination unit. All units feature an IP66 aluminium housing with machined flame paths that provides ex d ignition protection (flameproof enclosure). The YO6 horn has a maximum sound output of 110dB at 1m, with a sound selection consisting of 32 internationally recognised tones, which can be set via a five-way DIL switch.

The beacon provides a 5J high-intensity flash at a rate of 1Hz and is available in seven different lens colours. The dome is manufactured from a flame-retardant polycarbonate material, which is further protected by a steel guard, supplied and fitted as standard. The design of the YL6 combination unit features a fully integrated sounder and strobe built into a single enclosure. The lightweight, cost-effective device provides omni-directional sound and light and requires minimal installation time.

They are ATEX and IECEx-approved for use in zones 1, 2, 21 and 22 for gas and dust atmospheres. In addition to standard 24 and 48V DC operation, R Stahl also provides AC units requiring a 115 or 230V AC supply. Optionally, the devices can be activated through a telephone call. All Yodalex products comply with European as well as North American standards, including UL, Canadian CUL, ATEX, IECEx and Russian GOST-R specifications, thereby offering certification on a global basis.

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