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MD71EMC: Electro-Magnetic Compass (EMC) System

SKU: MNE-0072

OVERVIEW

The MD71EMC is an Electro-Magnetic Compass (EMC) System that directly detects the Earth’s magnetic field. It then transmits the ship’s Heading over a NMEA 0183 digital connection. This is to one or more Heading Repeaters installed at any convenient location on a vessel. The EMC has no moving parts – also, unlike a TMC (Transmitting Compass), which detects the moving compass card of a ship’s compass in its binnacle.

The MD71EMC uses the latest technology to accurately process and convert the ship’s magnetic compass to NMEA 0183 heading data, with unparalleled accuracy at speeds of up to 70 knots and rates of turn up to 20° per second. Additionally, the system has been developed with improved magnetic correction facilities. This is to reduce deviation effects caused by the magnetic influence of the craft.

FEATURES

  • Provides Digital Heading Data from the Electro-Magnetic Compass
  • No Moving Parts
  • Unparalleled Accuracy
  • Intuitive Operator Controls. Also, it has a Bright OLED display with high contrast and wide viewing angles.
  • 2x power supply inputs; 2x NMEA 0183 data channels output.
  • Correction of Magnetic Deviation and Variation
  • Automatic Calibration
  • A Backup or an Alternative to a Gyro

APPLICATIONS

  • Provides a digital NMEA heading output to drive a Heading Repeater (or other devices) at a convenient location.
  • A solution for when the size of the craft makes it physically impossible or financially imprudent to install a gyro.

RELATED PRODUCTS

Increasingly, Maritime Authorities are

accepting the use of Transmitting Heading

Device (THD) Systems onboard vessels.

Marine Data offers two types of THD systems:

  • A system which senses the angular position of a ship’s magnetic compass card, known as a Transmitting Magnetic Compass System (TMC)
  • A system which directly senses the Earth’s magnetic field, known as an Electro-Magnetic Compass System (EMC)

ACCESSORIES

MD71TB Trunnion Bracket AssemblyMD71TB Trunnion Bracket Assembly

A Trunnion Bracket for mounting instruments with MD71 form factor.

  • Finished in Jet Black (RAL9005)
  • Fine-texture Powder Coat
  • Mounting in either Bulkhead, Ceiling or Desktop positions
  • Provides flexibility in wheelhouse installations.

Buy the Mount HERE

By Marine Data

Additional information

Item Measurements

MD71THD: H 96; W 96; D 35 (mm); 0.50 kg
MD97CSP: L 146; W 64; D 41 (mm); 0.35 kg
MD53A/B: H 166; W 142; Ø 123 (mm); 1.00 kg
Excludes cables & connectors

Item Measurements

MD71THD: H 96; W 96; D 35 (mm); 0.50 kg
MD97CSP: L 146; W 64; D 41 (mm); 0.35 kg
MD53A/B: H 166; W 142; Ø 123 (mm); 1.00 kg
Excludes cables & connectors


Datasheet