SDD-110 Seawater Depth Indicator – Display Only
The SDD-110 operates on working frequency of 120kHz, so it won’t interfere with other onboard echosounders. This compact unit – measuring only 4.3″ X 4.3″ X 3.5″ – uses Digital Signal Processing (DSP) technology to deliver accurate digital depth readings from 1.5′ to 1,375′ in easy-to-read numerals. The large four-digit LCD display offers five levels of backlighting, for optimum visibility in all ambient light conditions.
Because the SDD-110 is a one-piece system, it doesn’t require a black-box sounder or the complicated wiring associated with network sounders. Instead, the 120kHz transducer plugs directly into the back of the unit for fast and easy installation. The SDD-110 uses an inexpensive flush-mount 2″ thru-hull transducer with a 38-degree beam angle. This allows for easy installation and proper beam orientation on most hulls without the need for a fairing block.
In addition to providing precise water depth data, the SDD-110 also features a visible trend indicator to indicate if depth is increasing or decreasing. Audible alarms also alert the operator to dangerous shallowing conditions or if the water drops below a selected depth – useful for fishing.
The SDD-110 also features NMEA-0183 depth data output that can be interfaced with other onboard equipment. Similar to SI-TEX’s popular SST-110 temp gauge, the SDD-110 is a drop-in replacement for the venerable Datamarine Offshore Digital Sounder, popular for many years on numerous sportfishing vessels and workboats.
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