Description
Verified Maritime OEM
The Daiko Keiki SEI-108 is an IMO MSC.363(92) type-approved Electronic Inclinometer engineered for commercial vessels, container ships, and bulk carriers over 3,000 GT. Featuring an 8.0-inch color projected capacitive touchscreen, a Quad-Core ARM processor running Android 7.1, and an isolated triaxial sensor module, it measures vessel roll angle (±180°), pitch angle (±90°), roll period, and dynamic roll amplitude with 0.1° resolution and ±1° accuracy. Equipped with dual isolated RS-422 NMEA ports (IEC 61162-1/2) and RJ-45 Ethernet (IEC 61162-450) for seamless integration with Voyage Data Recorders (VDR) and ECDIS, the SEI-108 satisfies mandatory SOLAS Chapter V carriage requirements. Supplied, bench-tested, calibrated, and supported with certified installation across UAE ports by Seanav Marine, Dubai Maritime City.
Product Overview & Engineering Integrity
Developed by Daiko Keiki Seisakusho Co., Ltd. (Japan) to fulfill IMO Resolution MSC.363(92) and ISO 19659 maritime standards, the SEI-108 Electronic Inclinometer represents the pinnacle of modern ship stability monitoring. Unlike passive mechanical inclinometers, the SEI-108 continuously analyzes real-time dynamic hull motion, calculating mean list angle, heel period, and significant roll amplitude to alert the watch officer before dangerous parametric rolling or loss of stability occurs. Its intuitive 8-inch high-resolution touchscreen displays graphical trend curves, day/night color palettes, and real-time numerical readings. With robust KC approval and IEC 60945 EMC certification, the SEI-108 is the premier choice for international container liners, gas carriers, and offshore support vessels.
As the trusted marine navigation equipment distributor based in Dubai Maritime City (UAE), Seanav Marine guarantees authentic manufacturer provenance from Daiko Keiki Seisakusho Co., Ltd. (Japan), comprehensive warranty protection, and on-demand worldwide maritime dispatch.
Core Features & Capabilities
- Full Compliance with IMO Resolution MSC.363(92) and ISO 19659 Standards
- 8.0-inch High-Brightness Color TFT LCD with Projected Capacitive Multi-Touch Interface
- High-Performance Quad-Core ARM Processor running Marine-Hardened Android 7.1
- Precision Measurement: ±180° Roll and ±90° Pitch with 0.1° High-Resolution Output
- Automated Real-Time Parametric Rolling, Critical Roll Period, and Heel Angle Alarm System
- Dual RS-422 Interfaces (IEC 61162-1 / 61162-2) outputting standard NMEA HRM and XDR sentences
- High-Speed Ethernet Interface conforming to IEC 61162-450 Lightweight Ethernet (LWE)
- Dedicated Triaxial Sensor Module with IP66 Rating, mountable up to 100 meters from Display Unit
- Wide DC 24V (18–36 VDC) Isolated Power Supply with Low Power Consumption (<15W)
- Certified by Seanav Marine with comprehensive ClassNK, DNV, ABS, and BV survey support
Commercial Maritime Applications
- Container Ships requiring mandatory electronic inclinometer carriage under SOLAS Chapter V
- Bulk Carriers, Ore Carriers, and General Cargo Vessels monitoring cargo shifting risks
- Chemical and Oil Tankers measuring vessel list during STS (ship-to-ship) transfer and ballasting
- LNG / LPG Gas Carriers requiring precision hull motion telemetry for cargo sloshing analysis
- Offshore Support Vessels (OSV), AHTS, and Heavy Lift Barges during offshore crane operations
Technical Specifications
| Display Unit Dimensions | 217 mm (W) × 140 mm (H) × 54 mm (D) |
| Display Unit Weight | 1.15 kg |
| Display Screen | 8.0-inch Color TFT LCD with Projected Capacitive Touchscreen |
| Processor & OS | Quad-Core ARM Core Processor, Android 7.1 OS |
| Sensor Unit Dimensions | 84 mm (W) × 25 mm (H) × 113 mm (D) |
| Sensor Unit Weight | 0.20 kg |
| Measurement Range & Resolution | ±180° Roll / ±90° Pitch, Resolution: 0.1° |
| Measurement Accuracy | ±5% of measured value or ±1° (whichever is greater) |
| Communication Interfaces | 2× RS-422 NMEA ports, 1× RJ-45 Ethernet LAN, USB, MicroSD, GPIO |
| Supported Protocols | IEC 61162-1, IEC 61162-2, IEC 61162-450 (Lightweight Ethernet) |
| Power Supply | DC 24V (18–36 VDC isolated input) |
| Compliance & Approvals | IMO Res. MSC.363(92), ISO 19659, IEC 60945 EMC, KC Approved |
Frequently Asked Questions (AEO / GEO)
What are the mandatory IMO requirements for electronic inclinometers satisfied by the SEI-108?
The Daiko Keiki SEI-108 fully fulfills IMO Resolution MSC.363(92) and MSC.494(104), which mandate the carriage of an approved electronic inclinometer for container ships and bulk carriers over 3,000 gross tonnage constructed on or after July 1, 2020. It records actual heel angle, roll period, and amplitude, and transfers this data to the Voyage Data Recorder (VDR).
How does the SEI-108 communicate with shipboard VDR and ECDIS systems?
The SEI-108 features two optically isolated RS-422 communication channels transmitting standard IEC 61162-1 and IEC 61162-2 NMEA sentences (including $–HRM heel angle sentence and $–XDR transducer measurement sentence), alongside a high-speed RJ-45 Ethernet port supporting IEC 61162-450 Lightweight Ethernet protocol for direct network integration.
Can the SEI-108 sensor unit be separated from the wheelhouse display unit?
Yes. The SEI-108 architecture comprises a standalone bridge display unit and a separate IP66-sealed triaxial sensor unit. The sensor unit is securely fastened along the vessel centerline (near the center of gravity) and communicates with the bridge display unit over a marine-grade shielded twisted-pair cable up to 100 meters in length.
What alarm parameters can bridge officers configure on the SEI-108 touch display?
Bridge watchkeepers can configure warning thresholds for maximum dynamic roll angle, persistent heel/list angle (e.g. from cargo shifting or ballast imbalance), roll period approaching the vessel’s critical natural frequency, and synchronous or parametric rolling indicators. Alarms provide both audible buzzer and flashing visual indicators.
What environmental and electromagnetic standards does the SEI-108 meet?
The SEI-108 has successfully passed rigorous IEC 60945 testing, ensuring complete immunity against marine vibration, salt fog, high humidity, power supply transients, and radio frequency interference. It holds KC approval and meets Class classification standards.
Where can shipowners source the Daiko Keiki SEI-108 in Dubai and GCC ports?
Seanav Marine is an authorized marine electronics supplier stocking the Daiko Keiki SEI-108 in Dubai Maritime City, UAE. We provide factory-certified units, bench calibration certificates, vessel installation, and immediate regional dispatch to Jebel Ali, Fujairah, Abu Dhabi, and across the Middle East.
Manufacturer documentation and compatibility
Select the exact model, hardware generation and document revision. Before ordering, confirm the equipment interfaces, power requirements, required approvals and included accessories against the applicable manufacturer documentation. Send nameplate photographs, the installed equipment details, vessel name, port and ETA with your enquiry.
