Marine Sextant GLH130-40
Short Description:
A sextant is an instrument for measuring the angle between two objects by bringing into coincidence to the eye of the observer, rays of light received directly from one object and reflected from the other. Its principal use is to measure the altitudes of celestial bodies above the visible sea horizon. Available in various types. When ordering, specify telescope (magnifying & lens diameter) and whether the sextant should be with or without illumination. Furnished with a wooden or plastic c...
Product Detail
Product Tags
A sextant is an instrument for measuring the angle between two objects by bringing into coincidence to the eye of the observer, rays of light received directly from one object and reflected from the other.
Its principal use is to measure the altitudes of celestial bodies above the visible sea horizon.
Available in various types. When ordering, specify telescope (magnifying & lens diameter) and whether the sextant should be with or without illumination. Furnished with a wooden or plastic case
| Type | GLH130-40 |
GLH130-20 |
| Measuring range |
-5°～130° |
-5°～130° |
| Accuracy |
±20’’ |
±10’’ |
| Detectability |
8.75’’ |
8.75’’ |
| Field of view |
5° |
5° |
| Objective the optical Diameter |
40㎜ |
40㎜ |
| Exit pupil diameter |
11㎜ |
11㎜ |
| Temperature range |
-30°～+50℃ |
-30°～+50℃ |
| Telescope |
3.5×40 |
3.5×20 |
| Lamp voltage |
3V |
3V |
| Net weight |
1.2㎏ |
1.8㎏ |
| Supply voltage |
12V |
12V |
| Size |
162mm |
162mm |
| Measurement Accuracy |
±10″ |
±10″ |
|
Name |
quantity |
|
|
Sextant Frame |
1 |
|
|
Monocular Telescope |
1 |
|
|
Standby Bellows |
1 |
|
|
Spare Bulb |
1 |
|
|
Calibration Wrench |
1 |
|
|
Oil pot |
1 |
|
|
Screw whorls |
1 |
|
|
Brush |
1 |
|
|
Flannelette |
1 |
|
|
Instruction Material |
1 |
|
|
Certification |
1 |
|
