SEEMATZ Searchlights The SEEMATZ searchlights are constructed of seawater resistant aluminium and have extra hardened BI-VETRAL safty front panes. The reflectors are made of aluminium, on request it will be possible to install a 400W heating into all searchlights with 230VAC input power. SEEMATZ searchlights are desined to facilitate service. The backside of the searchlights can be opened without using tools by quick-release snaps. Also the cable glands are mounted on the backside cover. This make it possible to remove the compl. plug-in unit incl. the mirror, lamp, socket and the heating only by unlock the quick-release snaps. This can be importent in case of bad weather conditions !! The column typs are designed to operate inside from the wheelhouse. The construction is totally watertight and easy to install. After cutting a hole, the column can be inserted smoothly into the roof. This installation is secure and elegant even at roofs with a thick insulation. SEEMATZ manuell steerings are available in two different diameters ( 80 or 100mm ). Every searchlight from the 273 up to the 463 types can be mounted on a 80mm pedestal, except the 463 searchlight with HBO, HMI or XBO lamp. This searchlights and also every searchlight type 525 must be mounted on a 100mm pedestral. SEEMATZ searchlight type 750 will be delivered with a 120mm diameter column.   Following typs are available 273, 351, 463, 525 and 750 - kind of type = reflector diameter in millimetre.   They can be combined with following lamps HGS = Halogenlamp HBO = High -Pressure-Mercury-Lamp HMI = Metal Halide Vapour Lamp XBO = Xenon Short-Arc Lamp ZH   = Tin Halide Lamp   and with following steering DS = direcct operation at the searchlight DH = direct operation at the searchlight - searchlight will be mounted on a 1m pedestal* WS = searchlight with a 500mm column into the wheelhouse.* WH = searchlight with a 500mm column into the wheelhouse on a 1m pedastel over deck.* EF = searchlightwith a electrical remote control. * = other length on request