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Phone: +86 16626708626Description
Key Technical Specifications
- Model: 5100
- Product Type: Navigation echo sounder / depth finder
- Display: 10.4 in color TFT
- Frequency Range: 28, 30, 33, 38, 50, 100, 200, 210 kHz
- Operation: Single or dual frequency
- Depth Ranges: 10 to 2,000 m
- Accuracy: Better than 2.5% of depth reading
- Minimum Sounding Depth: Approx. 0.5 m below transducer
- Output Power: 150, 450, or 1,000 W RMS, depending on transducer
- Interfaces: NMEA 0183, DIN EN 61162-1, serial data, printer interface
- Power Supply: 90–260 V AC, 50–60 Hz; optional 10–30 V DC
- Power Consumption: Approx. 35 W
- Operating Temperature: -15 to +55°C
- Protection Rating: IP 53
- Weight: 6.1 kg
- Dimensions: 288 x 336 x 150 mm
- Approval: BSH approval 6296/021/02 / Wheelmark
- 5100
- 5100
Product Introduction
Sperry Marine 5100 is a marine navigation echo sounder used to measure water depth for shipboard safety and bridge decision-making. It is a digital depth finder with single or dual-frequency operation, NMEA 0183 interface support, and multiple transducer options for shallow and deep water use.
It is selected when crews need clear depth data, wide frequency coverage, and retrofit-friendly integration. The ES 5100 also brings a defined installation envelope, which helps maintenance teams match power, interface, and mounting requirements before a swap.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No depth reading on display | Transducer failure, cabling fault, or power issue | ✅ High | Measure supply voltage at the unit, inspect transducer leads, confirm interface status | Check transducer and wiring before replacing the display unit |
| Erratic or jumping depth values | Air bubble, fouled transducer, electrical noise | ✅ High | Inspect transducer location, clean fouling, isolate from cable interference | Verify installation conditions first |
| Depth reads too shallow or too deep | Draft, trim, or calibration error | ✅ High | Compare settings for draft correction and trim correction | Re-enter installation parameters before condemning the unit |
| Unit powers up but gives no bottom lock | Wrong frequency selection or transducer mismatch | ✅ High | Confirm selected frequency matches the transducer rating | Match the transducer and operating frequency |
| Alarm sounds continuously | Shallow-water alarm or dead-man alarm setting | ✅ Medium | Check alarm thresholds in setup menu | Review alarm configuration before replacing hardware |
| Display is dark but unit is powered | Backlight issue or display fault | ✅ Medium | Verify input voltage and check for startup indications | Compare with known-good power input and service manual notes |
If you are stuck, contact technical support with photos and diagnostic logs.
Frequently Asked Questions
Q: What is the Sperry Marine ES 5100?
A: It is a marine digital echo sounder used to measure water depth from the ship. It supports navigation use in shallow and deep water.
Q: Is this part still current production?
A: The ES 5100 is commonly sold as surplus or used stock in the market. For procurement, treat it as an older marine navigation unit and verify availability before committing.
Q: Can it run on both AC and DC power?
A: Yes. Listed power input is 90–260 V AC, 50–60 Hz, with an optional 10–30 V DC supply version. Always confirm the exact configuration before wiring.
Q: What frequencies does it use?
A: It covers 28, 30, 33, 38, 50, 100, 200, and 210 kHz, depending on configuration. That gives flexibility for different depth ranges and transducer setups.
Q: Is it hard to retrofit?
A: It is not difficult if your transducer, interface, and power match the existing installation. The tricky part is usually compatibility, not physical mounting.
Q: Why is a surplus unit cheaper than factory supply?
A: Because it usually comes from excess inventory, spare-parts liquidation, or removed service stock. That lowers price, but you need to verify condition and exact revision fit before purchase.
Q: What should I confirm before ordering?
A: Match the power input, transducer frequency, interface type, and mounting dimensions. In marine electronics, the part can look right and still be wrong at the connector level.
