The MD67ROT from MARINE DATA is a watertight, IP67-rated, NMEA-based Rate of Turn Indicator.


The MD67ROT from MARINE DATA is a watertight, IP67-rated, NMEA-based Dial Rate of Turn Indicator. It provides a clear and easy to read 120mm diameter analogue display graduated in 1° per minute increments up to a maximum of 35° per minute to PORT or STARBOARD. Housed in a robust, compact aluminium enclosure for external or internal use, it is ideal for any vessel.

The MD67ROT has a tough polycarbonate faceplate which is user-replaceable and a rotary encoder control for varying the background and pointer illumination.

Compact and rugged, the MD67ROT offers a Rudder Angle Indicator solution for locations where the available space is limited and may be either bulkhead or panel mounted. Finished in jet black to complement other marine navigation equipment.

The MD67ROT from MARINE DATA: flexible in application, easy to install and simple to maintain.


  • IP67 Watertight for external use, with user-replaceable faceplate
  • Automatic warning of lost valid rate of turn data and automatic detection of previously lost rate of turn data without a reset being required
  • Local and Remote dimming control


  • External use on a seagoing vessel
  • To display Rate of Turn (ROT) data transmitted from marine equipment compatible with the NMEA 0183 data protocol

• Displays Rate of Turn
• Watertight Marinised Housing
• User-Replaceable Polycarbonate Window
• Clear and Easily Read 120mm Ø Dial Display with moving pointer
• Rotary Dimmer with Push Control
• Accepts NMEA 0183 (ROT) data (Automatic Baud Rate Detection)
• Local and Remote Dimming Control; White illumination
• Complies with: IEC 60945; IEC 61162-1
• 24 V dc; 4W
• W 221mm D 100mm H 174mm; Fascia 160x160x16mm
• Compass Safe Distance: 100cm
• Environmentally Protected to IP67

Optional Extras:

• Bulkhead Mounting Kit – Part F067100

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