產(chǎn)品特點
1. 測量天體的高度來求取船位。
2. 測量地面上三個已知位置目標(biāo)間的兩個水平夾角, 利用三桿分度儀在海圖上求取船位。
3. 測定已知高度目標(biāo)的垂直夾角來求取距離。
六分儀
航海六分儀是一種反射式光學(xué)測角儀器。
1. 測量天體的高度來求取船位。
2. 測量地面上三個已知位置目標(biāo)間的兩個水平夾角, 利用三桿分度儀在海圖上求取船位。
3. 測定已知高度目標(biāo)的垂直夾角來求取距離。
The marine sextant is a kind of reflection typeangular measuring optical instrument.
1) Measuring the altitude of celestial bodies to de- termine 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 altrtude object to obtain its distance.
主要技術(shù)參數(shù) MAIN TECHNICAL DATA
型 號 Type | GLH130-40 |
測量范圍 Measuring range | -5°~130° |
精度(峰峰值) Accuracy(peak to peak value) | 40″ |
最小讀數(shù) Readability | 12″ |
使用溫度范圍 Temperature range | -30°~+50℃ |
望遠(yuǎn)鏡 Telescope | 3.5×40 |
照明電壓 Lamp voltage | 3V |
儀器重量 Net weight | 1.2Kg |