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Marine Equipment

Three-Arm Protractor

Application: The three-arm protractor cooperates with a sextant to measure the ship is position by either threepoint-two-angle method or angle-between-objeetive-plus-bearings method....

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Three-Arm Protractor

Category: Marine Compass
Certificate: ABS, LR, BV, DNVGL, NK, KR, IRS, RMRS, CCS
FOB Price: Get Latest Price Now
Warranty: 12 Months unless specified otherwise
Place of Origin: China
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Application:

The three-arm protractor cooperates with a sextant to measure the ship is position by either threepoint-two-angle method or angle-between-objeetive-plus-bearings method.

Specifications：

1. Diameter of the graduated circle:126.85mm

2. Arm length:340mm

3. length of connecting arm:290mm

4. total length of the pointing arm:630mm

5. minimal reading number:1min

6. differential drum type.

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