IMPA: 371016

Ordinary Chart Room Compasses – IMPA 371016

The Ordinary Chart Room Compass (IMPA 371016) is an essential navigation instrument designed for accurate course reading in the chart room. Its liquid-damped movement ensures rapid settling and minimal oscillation, providing a stable heading reference even in rougher sea conditions. Built with a durable, corrosion-resistant housing, this compass is crafted to withstand the demanding marine environment while delivering consistent performance.

This chart room compass features a clear, high-visibility dial with 360° graduation in 1° increments, allowing for precise course setting and bearing plotting. The integrated gimbal mounting system compensates for vessel pitch and roll, keeping the compass level for accurate readings. Whether used as a backup to electronic systems or as a primary reference, this ordinary compass is a trusted choice for professional mariners and ship operators.

Key Features

Technical Specifications

Product TypeChart Room Compass
IMPA Code371016
Card Diameter100 mm (4 in)
Damping MethodLiquid-filled (clear damping fluid)
Graduation1° (0° to 359°)
MountingGimbal bracket with bulkhead or flush mount
Housing MaterialMarine-grade polymer with brass bezel
Lubber LineIntegrated fixed line
IlluminationOptional battery or 24V DC lighting (ordered separately)
WeightApprox. 0.8 kg (1.8 lbs)

Frequently Asked Questions

What is a chart room compass used for?

A chart room compass provides a reliable magnetic heading reference in the chart room, allowing navigators to plot courses and check bearings without relying solely on electronic systems.

How is this compass mounted?

It uses a gimbal mounting system, which can be fitted to a bulkhead or flush mounting plate. The gimbals keep the compass card level even when the vessel rolls or pitches.

Is the compass liquid-filled?

Yes, it is filled with a clear damping fluid that stabilizes the card, reducing oscillation and enabling quicker, more accurate readings.

Does the compass include lighting?

Illumination is available as an optional accessory. The compass bead is designed to accept a low-level light for night operations, which can be ordered separately.

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