TS-630 Marine Three-Arm Protractor

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Details

Usage:

1.Marine three-arm protractor cooperates with sextant to measure the marine position

2.Threepoint-two-angle method to measure the marine position on the chart

Structure:

Three-arm protractor consists of cupreous graduated circle(180 degrees on the left and right), 3 surveyor's poles(fixed pole in the center and movable pole on the left and right), micro drum wheel and indicators, needle in the center and worm gear screw rod, etc.

Model

TS-630

Diameter of the graduated circle

126.8mm

Arm length

340mm

Length of connecting arm

290mm

Total length of the pointing arm

630mm

Minimal reading number

1min

Other

differential drum type

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Fax: 86-4008266163-88928

Email: sales@jinbomarine.com

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