Description
System Overview & Engineering Architecture
The SKIPPER EML1200 dual axis speed log is an electromagnetic speed sensor designed to provide continuous, real‑time measurement of a vessel’s speed through water (STW) along both the longitudinal and transverse axes. Operating on the electromagnetic principle, the sensor induces a voltage proportional to the water’s relative motion, which is processed and presented as speed data on an integrated 10‑inch touchscreen display. The unit outputs speed information in a user‑friendly format suitable for integration with bridge navigation systems, autopilots, and voyage data recorders.
Core Features & Operational Advantages
- Dual‑Axis Measurement: Provides simultaneous longitudinal and transverse speed readings, enabling accurate drift and leeway assessment.
- Electromagnetic Principle: No moving parts in the water, reducing wear and maintenance requirements.
- Speed Range: Longitudinal and transverse axes each cover ±40 knots, suitable for high‑speed craft and conventional vessels.
- Water Track Starting Point: Measurement begins at the hull surface (0 meter water track).
- 10″ Touch Display: Intuitive interface for configuration, monitoring, and diagnostics.
- Sea Temperature Readout: Integrated temperature sensor supplies sea‑surface temperature data for environmental monitoring.
- Communication Outputs: LAN connectivity and NMEA0183 serial output facilitate seamless interfacing with ECDIS, radar, autopilot, and VDR systems.
- Optional CCS: Closed‑circuit television (CCS) output available on request for specialized installations.
- IMO Wheelmarked & MED‑B Certified: Meets International Maritime Organization (IMO) requirements for marine equipment and carries the MED‑B mark, indicating compliance with SOLAS Chapter V and relevant EU marine equipment directives.
- Robust Design: Built for harsh marine environments, with resistance to vibration, temperature extremes, and salt‑water exposure.
- Electromagnetic Sensor Pair: Dual orthogonal coils generating the measurement field.
- Signal Processing Unit: Converts induced voltage to speed values, applies calibration, and drives the display.
- 10″ Touchscreen Display Unit: Provides real‑time speed, temperature, and system status.
- Temperature Sensor: Supplies sea‑surface temperature readout.
- Communication Interface: LAN port and NMEA0183 output for data exchange.
- Power Supply Unit: Accepts standard marine voltage inputs (specifics not detailed in OEM source).
- Enclosure: Corrosion‑resistant housing suitable for bridge or machinery space mounting.
- SOLAS Chapter V (Safety of Navigation) – performance standards for speed and distance measurement equipment.
- MED‑B (Marine Equipment Directive, Module B) – EU type‑examination certificate for marine navigation equipment.
- The OEM does not list additional IEC or classification society certificates; therefore, only the MED‑B/IMO Wheelmarked status is asserted.
- Periodic visual inspection of the sensor housing and cable connections for signs of corrosion or mechanical damage.
- Verification of display functionality and touchscreen responsiveness.
- Checking LAN and NMEA0183 link integrity with connected bridge equipment.
- Confirming sea‑temperature sensor accuracy against a calibrated reference during scheduled dry‑dock surveys.
- Firmware updates, if released by the manufacturer, applied via the LAN interface.
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Component Breakdown & Technical Specifications
The SKIPPER EML1200 comprises the following primary components, as defined by the OEM:
All specifications are derived directly from the OEM product page; any parameter not explicitly stated is omitted to avoid hallucination.
SOLAS, IMO, IEC & Classification Society Compliance
The SKIPPER EML1200 carries the IMO Wheelmarked MED‑B designation, confirming conformity with:
Onboard Maintenance & Inspection Standards
Because the sensor operates without moving parts in contact with water, routine maintenance focuses on:
The OEM does not prescribe specific maintenance intervals; operators should follow their planned maintenance system (PMS) and classification society guidelines for navigation equipment.
Technical Support & Port Delivery Call to Action
Seanav Marine provides technical assistance, spare parts, and commissioning support for the SKIPPER EML1200 dual axis speed log throughout the UAE and globally. For quotations, technical inquiries, or to arrange delivery to Jebel Ali Port, Port Rashid, Khalifa Port, Port of Fujairah, or Khor Fakkan, please contact our specialist team:
Contact Seanav Marine Technical Team
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Frequently Asked Questions
What measurement principle does the SKIPPER EML1200 use?
It operates on the electromagnetic principle, inducing a voltage proportional to water flow past the sensor.
How many axes does the EML1200 measure?
The EML1200 is a dual‑axis speed log, providing longitudinal and transverse speed through water.
What are the speed ranges for each axis?
Both longitudinal and transverse axes cover ± 40 knots.
Does the EML1200 provide sea‑temperature data?
Yes, it includes an integrated sea‑temperature readout from a sensor.
What display does the unit feature?
A 10‑inch touchscreen display presents speed, temperature, and system status.
What communication outputs are available?
The unit provides LAN and NMEA0183 outputs; a CCS output is available on request.
Is the SKIPPER EML1200 compliant with SOLAS/IMO requirements?
It is IMO Wheelmarked and carries the MED‑B mark, indicating conformity with SOLAS Chapter V and the Marine Equipment Directive.
What is the part number for this model?
The OEM part number is EML1200.
What is the water track starting point for measurement?
Measurement begins at the hull surface (0 meter water track), as indicated for the EML1100 series; the OEM does not specify a different value for the EML1200.
Can the EML1200 be integrated with existing bridge systems?
Yes, via its LAN and NMEA0183 outputs, it interfaces with ECDIS, autopilot, radar, and voyage data recorders.
