0154
    ECHO SOUNDER   
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  Surveying Instrument Collection 

Maker

Raytheon Marine Company

Model

DE 719B Precision Survey Fathometer Depth Recorder

Serial Number

Unit 7430, s/n 7191

Dimensions

457 x 319 x 230 mm

Image

Raytheon Echo Sounder

Raytheon Echo Sounder

Description

Raytheon echo sounder with transducer, cables and recording unit. Only the latter is shown above. Weight: 38 pounds.

Operates on 12 V dc .

Measuring range: 0.6 to 123 m (2-410 feet)

Transducer J304(?) Type 7245 (200 kHz)

Accuracy: ± (1 inch + 0.5% of depth)

Sampling: 534 soundings per minute

Chart paper: 7 inch by 60 feet.

History & comments

ca 1973, ex Maritime Services Board of NSW (13/126)

Conservation

no case.

Condition

some corrosion

Remarks

Includes instrument manual 7430-3301P1 (1/73)

Dates

Catalogued by JMR in July 2006. Photo by JMR.

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