Product Details
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I. Product Overview
The CPT-165A desktop magnetic compass is an A-class liquid-type magnetic compass designed and manufactured in accordance with the national standard GB/T 14108-2011, "General Technical Specifications for Marine Class A Magnetic Compasses." It is suitable for use as a steering compass on various large, medium, and small vessels. This compass boasts advantages such as attractive appearance, high accuracy, comprehensive functionality, convenient deviation correction, stable performance, and clear illumination.
II. Main Features
Compact structure, lightweight, excellent performance, and reliable operation;
Equipped with various self-error correction devices, the error correction is simple and convenient.
The various magnetic materials used in compasses have stable performance and a long service life.
It can be used in conjunction with an autopilot to provide it with a heading reference.
III. Main Technical Specifications
Dial diameter and scale division: φ165mm; 0° ~ 360°; 10 per graduation
Operating temperature: -30°C to +60°C
Pointing error: no more than 0.5°
Half-cycle: Not less than √2600/H seconds (T = 20 ± 3°C; H represents the horizontal component of magnetic flux density at the test location, in units of uT; the same applies below).
Settling time: no greater than √57600/H seconds
Friction error: no greater than (3/H°)
Main semi-circle self-difference correction positive energy: 10° -45°
Quadrant self-difference calibration positive energy: 0.5°~7°
Tilt-induced bias correction—positive energy: -75 μT to +75 μT
Lighting power supply: AC 220V, DC 24V
Weight: 27 kg
Installation dimensions: φ270 × (4φ12) evenly distributed

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