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JW Fisher s UA-2 Altimeter

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About JW Fishers UA-2 Altimeter

A low/cost precision underwater altimeter, Fishers UA-2 shows the distance between towed body and ocean bottom. The UA-2 adds a new and needed dimension to the effectiveness and accuracy of underwater searches and surveys. The altimeter provides a cost effective method for measuring the distance between a towed body and the ocean floor. It allows underwater detection and survey equipment to be held at precise altitudes above the bottom. Using the UA-2 ensures targets are not missed because equipment is towed too high off the bottom and helps avoid damage from towing too close to the bottom.

No longer is it necessary to integrate chart information, cable lengths, and towing speed to calculate the distance between the towed body and the bottom. The UA-2 gives an accurate measurement of the actual distance on a digital LCD display. The distance reading is updated 3 times a second. The large LCD readout shows depth in 1' (0.3 meters) increments from 1 to 199' (60.66 meters). A switch allows distance to be displayed in feet or meters. The UA-2 altimeter also has an adjustable audio alarm which alerts the operator if the equipment is towed below a preset distance,

The UA-2 comes with transducer, 150' (45.75 meter) cable and a topside control unit. The system is powered by a 12 volt battery. Options for the system are cable lengths up to 1000' (305 meters), and an output to a computer. The system comes with an owner's manual.

Warranty Information

This product has a limited warranty of 24 months.



JW Fishers UA-2 Altimeter Features

  • J.W. Fisher's UA-2 Altimeter
  • Large, Easy to Read LCD Display
  • Audio Alarm, and Adaptability to Any Towed Body
  • Gives Distance from Tow Unit and Bottom
  • Allows Precise Measurements
  • Increased Accuracy and Equipment Safety
  • 1 to 199' (0.3 to 60.66 meters) Measurements in 1' (0.3 meters) Increments
  • Optional 1,000 (305 meters) Cable
  • Beam Angle: 30° Degrees
  • Frequency: 200K Hz
  • Power Output: 425 Watts Peak
  • Input Voltage: 12 Volt DC
  • Power Consumption: 4 Watts
  • Readout LCD and Adjustable Alarm
  • Dimensions:
    Control Box (W x D x H); 5" x 5" x 1.5" (12.7 cm x 12.7 cm x 3.8 cm)
    Transducer (L x W x D) 7" x 1.75" x 2.25" (17.8 cm x 4.4 cm x 3.8 cm)
    Cable (Dia. x L) 25" x 150' (6.35mm x 45.75 meters)
  • Weight:
    Control Box 16 oz. (453.6 g)
    Transducer 16 oz. (453.6 g)
    Cable 4 lbs. (1.8 kg)
  • Materials:
    Control Box PVC
    Transducer Epoxy
    Cable 4 Conductor
  • Owner's Manual
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