SM-5A handheld external transducer of echo sounder with 12 feet of cable, the instrument can be used for largerships, can be fixed on the pillar or a hook rod. The instrument can overcome the SM-5 from the surface of the water is not close, the transducer and the cable waterproof,but the host can not work under water.
Technical indicators
◆ frequency: 200KHz
◆ beam angle: 24 °
◆ waterproof depth: 50 m
◆ range: 0.6m ~ 79M
◆ power: 9VDC
◆ in feet or meters (FT) (M) as the unit of the readings aredisplayed
◆ backlit digital display reading
◆ size: 7.8 x 1.7 (inches)
◆ weight: 10 oz (including battery)