Marine Navigation System >> Marine Sextant >> Marine Sextant
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| Marine Sextant | ||||||
| Product No. | MMLE117-MS001 | |||||
| Introduction: | ||||||
| The marine sextant is a kind of No.lection type angular measuring optical instrument. | ||||||
| Application: | ||||||
| Measuring the altitude of celestial bodies to determine the position of the ship at sea. | ||||||
| Measuring the two horizontal angles between three known position land objects the ship location on chart by the help of a station pointer. | ||||||
| Measuring the vertical angle of a known altitude objection to obtain its distance. | ||||||
| Technical Data: | ||||||
| Type | GLH130-40 | GLH130-60 | ||||
| Measuring range | -15¡ã to 130¡ã | -15¡ã to 130¡ã | ||||
| Accuracy(peak to peak £¦#118alue) | 40'' | 60'' | ||||
| Readability | 12'' | 12'' | ||||
| Temperature range | -30¡æ¡«+50¡æ | -30¡æ¡«+50¡æ | ||||
| Telescope | 3.5¡Á40 | 3.5¡Á40 | ||||
| Lamp voltage | 3V | 3V | ||||
| Net weight | 1.2kg | 1.2kg | ||||
