Projection Magnetic Compass
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Parameters:
Modei
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Vertical
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Card Diameter
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165mm
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Graduation
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1°（0～360°）
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Direction Error
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≤0.5°
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Swing semi-period
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＞9.3 seconds(20℃,H=30μT)
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Friction error
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≤0.1°(20℃,H=30μT)
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Semicircular Deviation Correction
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＞45°（H=30μT)
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Quadrant Deviation Correction
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＞10° （H=30μT）
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Heeling Error Correction
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―75μT～＋75μT
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Operation temperature
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－30℃～＋60℃
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Extension range of tube
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±50mm
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Balopticon amplificatory ratio
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≈1X2
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Flinders' bar correction
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＞15°
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Illumination
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220V/40W 24V/40W
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Overall Dimensions
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802*485*1340mm
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Installation Dimensions
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φ424, 4 long hole 22*40mm
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Net Weight
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～76kg
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