VSM422 Water, Waste, Diesel Tank Sensor WINCH ACCESSORIES AIS Alarm dimensionsThe AIS alarm Each brush is based AIS Alarm dimensionsThe AIS alarm box is designed to ensure that the moment any AIS MOB or AIS SART signal is received an audible alarm is sounded ensuring everyone on the vessel is alerted to a possible MOB or a crew in need of rescue the density of the wire loom compared to traditional bus bars Busbar and fuse block elevations match common fuse blocks allowing for multiple fuse block attachment Fluid Trac is non contacting eliminating any mechanical moving parts that can wear and cause intermittent or complete signal loss Limitations and considerations for mounting the ultrasonic tank senders: Senders are calibrated to the VSM 422 and will not function with other monitors