
Key Features
- Non-magnetic brass construction for marine use
- Inner diameter: 247mm – fits standard compasses
- Deviation ≤12′ for accurate bearing measurements
- Includes prism for direct compass reading
- Black mirror for celestial body observation
- Additional mirror for bright target viewing
- Comes with aluminum storage case
Technical Specifications
| Specification | Value |
|---|---|
| Model | GFC190 Type |
| Name | Azimuth Circle for Magnetic Compass |
| Material | Non-magnetic Brass |
| Inner Diameter | 247 mm |
| Net Weight | 1.7 kg |
| Deviation | ≤12′ |
Frequently Asked Questions
How do I use the azimuth circle to measure bearings?
Place the azimuth circle on a compass of the same specification. Aim the sighting device at the target. Look through the aiming hole and align the sight line with the target. Read the bearing from the compass face through the prism located under the sight line frame.
Can I observe celestial bodies with this azimuth circle?
Yes, use the black mirror available in front of the sighting line. The mirror reflects the celestial body into your line of sight, allowing you to read the bearing from the compass.
How do I check and adjust the error of the azimuth circle?
Ensure the baseline in the prism aligns with the extension of the sighting line. If not, loosen the screw on the prism box and adjust the prism position until they overlap.
What is the deviation of this azimuth circle?
The deviation is ≤12′, ensuring high accuracy for navigational bearings.
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