航海六分仪MARINE SEXTANT
MARINE SEXTANT
The marine sextant is a kind of reflection type angular measuring optical instrument.
1. APPLICATION
1,Measuring the altitude of celestial bodies to determine the position of the ship at sea.
2,Measuring the two horizontal angles between three known position land objects the ship location on chart by the help of a station pointer.
3,Measuring the vertical angle of a known altitude object to obtain its distance.
| TYPE | GLH 130-40 |
| MEASURING RANGE | （-）5 TO 130 DEG. |
| ACCURACY （PEAK TO PEAK VALUE） | 40'' |
| READABILITY | 12'' |
| TEMPERATURE RANGE | (-)30DEG TO 50 DEG |
| TELESCOPE | 3.5X40 |
| LAMP VOLTAGE | 3V |
| NET WEIGHT | 1.2KG |