Manufacturer Part Numbers 
Furuno—520-BLD——Airmar—31-653-3-01 
Garmin—010-10182-01——Airmar—31-366-7-01
Lowrance—B-117BL——Airmar—31-648-2-01
Raymarine—E66014——Airmar—31-092-7-01
 

Features

• Industry standard for low-profile transducers
• Depth only or Depth and temperature
• Good target detail in shallow-water at 200 kHz and good deep-water bottom tracking at 50 kHz
• Right angle cable exit offers low headroom and protection when transducer is stepped on
• Included rubber washer allows tightening of the hull nut to irregular hull surfaces
• Housings are ABYC H-27 compliant
• Optional temperature sensor
• Bronze transducer housing
• Boat Size: 8 m (25’) and up

Specifications

• Weight:
  • Plastic—0.6 kg (1.3 lb)
  • Bronze—0.9 kg (2.0 lb)
  • Hull Deadrise: Up to 8°
  • Acoustic Window: Urethane
  • Hole Diameter: 51 mm (2”)