Projection Magnetic Compass

Dial diameter Data φ165mm

Dial graduation 0°～360° 1° per grid

Operating temperature 25℃～60℃

Pointing error (H=35, T=20±3℃) ≤0.5°

Half cycle (H=35μT, T=20±3℃) ≥8.62 s

Friction error (H=35μT, T=20±3℃) ≤0.09°

Main semicircle deviation correction energy 1°～45°

Secondary semicircle deviation correction energy 1°～6° (magnetic inclination Q=45°)

Quadrant deviation correction energy 0.5°～10°

Tilt deviation correction energy -75～+75μT

Eyepiece telescopic range Dial image deviation rate

Attached figure ≈2 times (original dial graduation)

Lighting power supply AC 110～220V, DC 24V

Material: Corrosion-resistant and durable

Inclusive grid with compass stand, resistant to shock and temperature changes