Description:
Marine Nautical sextant is a kind of reflection type angular measuring optical instrument, chiefly used for measuring the altitude of celestial bodies to obtain a position in navigation. The VERTICAL ERROR, ERROR and INDEX ERROR of the instrument should be adjusted and predeter mined before use.
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.
3.location on chart by the help of a station pointer.
4.Measuring the vertical angle of a known altitude objection to obtain its distance.
Features:
1. Reasonable price and fine workmanship
2. Made of copper
3. IMPA Code: 370332
Photos:
Parameters:
Type: |
GLH-130-20 |
GLH-130-40 |
GLH-130-60 |
Measuring Range: |
-5º to 130 º |
-5º to 130 º |
-5 º to 130 º |
Accuracy: |
20″ |
40″ |
60″ |
Readability: |
12″ |
12″ |
12″ |
Temperature Range: |
-30°c to 50 °c |
-30°c to 50 °c |
-30 °c to 50 °c |
Telescope: |
3.5×20 |
3.5×40 |
3.5×60 |
Lamp Voltage: |
3V |
3V |
3V |
Net Weight: |
1.2KG |
1.2KG |
1.2KG |
Company information:
Our company is specialized in manufacturing and exporting marine equipment. To guarantee good quality, we follow ISO9000 standards to inspect our goods. From raw material purchase to pre-shipment inspection, we keep an eye on every step to ensure the satisfaction of our customer on quality. Our products are approved by ABS, BV, CCS, DNV, EC, GL, KR, LR, NK and RINA.
Persisting in the principle of "QUALITY IS LIFE, CUSTOMER IS GOD", we will strive for high efficiency, passion and integrity to provide our customers with high-quality products and superior trade services.