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NAV-ISNav-IS Combined Maritime Speed Log& Meteorological System
Combined Maritime Speed Log & Meteorological System
Nav-IS
AMI Marine UK sells and fully supports our speed logs and
meteorological systems both individually and also in
conjunction with SMIDS (Ships Movement Information
Display System). The Nav-IS (Navigation Information
System) is a cost effective combined system supplied to
commercial maritime standards. Nav-IS exceeds the
requirements of EN60945 & EN61023 and is compliant
with IMO resolutions A.478 and A.824.
Main Electronics Unit (MEU)
Nav-IS
• Combined Speed Log & Meteorological Functions.
• Modular construction to save cost.
• Provides power to log & meteorological sensors.
• Single or Dual Axis EM Speed Measurement.
• Auto wind sensor selection (most windward).
• Relative and True wind vector outputs.
• User selectable wind damping.
• Interfaces with Nav-IS Control & Display Unit.
• Processes and distributes navigation data.
• RS422 NMEA, Simulated Potentiometer (Volts/Knot), User selectable potential free contacts (PPM).
EM Probes
Nav-IS
Fixed Single or Dual Axis Flush Probes
In-board Retractable Single or Dual Axis Flush ProbesFixed Protruding
High Speed Probe
Specified accuracy with flush probes:
0 to 10 Knots: ± 0.2 knots.Above 10 knots: ±2%
Specified accuracy with protruding probes:
0 to 10 Knots: ± 0.1 knots.Above 10 knots: ±1%
Meteorological Sensors
Nav-IS
Ultrasonic Anemometer
Speed:0-65m/s (0-130kts)
Accuracy: ±2%
Direction:0-359.9°
Accuracy: ±2°
Air Temperature & Humidity Sensor
Air Pressure Sensor Module
Sea Temperature
Sensor Temperature:-40 to +70°C (+158°F)
Accuracy: ±0.4°C
Humidity:0-100% RH
Accuracy: ±4% RH
Temperature:-5 to +45°C (+113°F)
Accuracy: ±0.3°C
Barometric Pressure:500 – 1100 hPa
Accuracy: 0.2hPa (25ºC)
Integral to MEU with vented pipe to exterior
of enclosure.
Control and Display Unit
Nav-IS
The optional Nav-IS Control &
Display Unit provides clearly and
concise display of all of the Nav-IS
system functions. Can also be used
to display many other ship's
navigation parameters on multiple
page formats, therefore alleviating
the need for addition dedicated
displays.
Control and Display Unit
Nav-IS
The unit is also necessary to provide
occasional control of the system
including simulated LOG speed
entry and one-time calibration table
entry. Alternatively a windows
based software package is available
for use on a laptop or navigation
bridge system.
Summary
Nav-IS
• Combined Speed Log & Meteorological Functions.• Cost effective modular construction.• Single or Dual Axis EM Speed Log.• Complete range of Meteorological sensors including Wind, Air
Temperature, Humidity, Air Pressure, Sea Temperature.• High accuracy. • Low maintenance (Solid-State Sensor Technology).• Versatile Control & Display Unit for clear and concise display of
all of the Nav-IS system functions as well as many other ship's navigation parameters on the one compact unit.
Summary
Nav-IS
• Built and Certified to IEC 61023 "Marine Speed and Distance measuring equipment (SDME)“, IEC 60945 "General Requirements for Marine Navigation Equipment”, IEC 62288 "Presentation of navigation-related information on shipborne navigational displays.
• Compliant with IMO resolutions A.478 and A.824.• Wheelmark approval under (Marine Equipment Directive -
96/98/EC, EU/USCG Mutual Recognition Agreement Council Decision 2004/425/EC. USCG Approval Number: 165.105/EC0191/1010-01.
• Established on USCG Fast Response Craft (FRC) program.
AMI Marine (UK) LtdUnit 2 Tower Industrial Estate,
Tower Lane, Eastleigh, Southampton SO50 6NZUK
Tel: +44 (0)2380 480 450
Fax: +44 (0)2380 480 451
www.amimarine.net
