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The Marinelite ES9000-P811S is a professional marine echo sounder designed to provide accurate and continuous depth measurements for commercial fishing vessels, workboats, and other marine applications. Utilizing advanced Digital Signal Processing (DSP) technology, it delivers high-resolution seabed images, reliable bottom tracking, and precise depth information even in shallow waters or challenging sea conditions. The system is certified for use on fishing vessels registered by the Fishing Vessel Register of the People’s Republic of China and is built for dependable long-term marine operation.
The ES9000-P811S features a high-brightness color TFT LCD display that remains clearly visible in both direct sunlight and nighttime conditions. It supports multiple display modes, adjustable gain and range settings, depth alarms, echo history recording, and NMEA interfacing for integration with onboard navigation equipment. Its rugged marine-grade construction, user-friendly interface, and stable performance make it suitable for professional fishing, coastal navigation, hydrographic operations, and general marine depth monitoring.
| Parameter | Technical Specification |
|---|---|
| Manufacturer | Marinelite |
| Model | ES9000-P811S |
| Equipment Type | Marine Navigational Echo Sounder |
| Compliance | IMO MSC.74(69) Annex 4, IEC 60945 |
| Display Size | 8-inch High-Resolution Color LCD |
| Display Resolution | 800 × 600 pixels |
| Operating Frequency | 200 kHz, Dual 200 kHz, or 50/200 kHz (depending on transducer configuration) |
| Transmitter Output Power | 300–600 W RMS |
| Minimum Detectable Depth | 0.2 m |
| Depth Accuracy | ±1% of measured depth |
| Depth Units | Metres (m), Feet (ft), Fathoms (fa) |
| Display Modes | Auto, Manual, Bottom Lock |
| Sweep Speed | 7 levels (Stop, 1/8, 1/4, 1/2, ×1, ×2, ×3) |
| Gain Control | Automatic and Manual |
| Echo Display | Multiple echo color schemes with selectable background colors |
| Data Storage | SD Card support for depth recording, replay, and software updates |
| Alarm Functions | Shallow/Deep Depth Alarm, Low Voltage Alarm |
| Input Interface | IEC 61162-1 (NMEA 0183): RMC, GLL |
| Output Interface | IEC 61162-1 (NMEA 0183): DPT, DBT |
| Printer Interface | Compatible with DPU-414 serial printer |
| Languages | English, Simplified Chinese, Traditional Chinese |
| Power Supply | DC 24 V (11–35 VDC) |
| Operating Temperature | –10°C to +40°C |
| Operating Humidity | 10%–90% RH |
| Installation | Console or Flush Mount |
| Applications | Commercial ships, fishing vessels, workboats, coastal and offshore navigation |
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