Sperry Marine Modulator ASSY 65801816-1 REV.E 65825812-7
1. Product Overview
The Sperry Marine Modulator Assembly P/N 65801816-1 REV.E 65825812-7 is a precision-built electronic unit engineered to regulate and stabilize signal transmission in marine navigation and communication systems. Designed with a focus on long-term reliability, the module ensures accurate modulation across varying operational conditions, making it a vital component in shipboard control and monitoring networks. Its rugged construction and optimized circuitry guarantee consistent performance even in harsh maritime environments with high humidity, vibration, and fluctuating temperatures.
Key Features:
- 🟢 High-accuracy modulation for stable communication signals
- 🟢 Compact, durable housing suitable for shipboard installations
- 🟢 Wide input compatibility with marine electronic subsystems
- 🟢 Integrated protection circuits against overload and short circuit
- 🟢 Diagnostic LED indicators for quick fault detection
- 🟢 Designed for continuous operation in demanding maritime applications
2. Technical Specifications
| Parameter | Description | Notes |
|---|---|---|
| Part Number | 65801816-1 | Sperry Marine Modulator Assembly |
| Revision | E | Hardware/Firmware version |
| Associated Assembly | 65825812-7 | Compatible sub-module |
| Input Voltage | 24 VDC ±10% | Standard marine DC supply |
| Power Consumption | < 15 W | Energy-efficient operation |
| Output Signal | Modulated carrier signal | Optimized for navigation systems |
| Frequency Range | 1 MHz – 25 MHz | Wide operating bandwidth |
| Operating Temperature | -20°C to +65°C | Marine-grade range |
| Storage Temperature | -40°C to +85°C | Long-term safe storage |
| Humidity Tolerance | 0–95% non-condensing | Salt air resistant |
| Protection Features | Overcurrent, Short-circuit, Thermal | Extends product life |
| Indicators | Power (Green), Fault (Red) | Visual diagnostic support |
| Mounting | Panel or Rack mount | Flexible installation options |
| Dimensions | 160 x 95 x 45 mm | Compact footprint |
| Weight | 0.85 kg | Lightweight module for easy handling |
3. Installation Guidelines
- 🔧 Mounting: Install the assembly on a vibration-free rack or panel. Ensure the module is securely fastened using approved hardware.
- 🔌 Wiring: Connect input and output lines according to polarity specifications. Shielded cables are recommended for optimal signal integrity.
- 🛡 Grounding: Proper grounding to the vessel’s electrical system is essential for stable performance and protection from surges.
- ⚡ Environment: Place the module in a location with good airflow and protection from direct water exposure.
- 📌 Clearance: Maintain clearance around the unit to allow cooling and simplify maintenance access.
4. Maintenance Instructions
- 🧰 Periodic Inspection: Check terminal connections for tightness and absence of corrosion.
- 🔄 Firmware/Module Updates: Perform updates only with authorized Sperry Marine tools.
- 🧼 Cleaning: Wipe surfaces with a dry or slightly damp cloth; avoid solvents and corrosive cleaners.
- 🔒 Storage: Store in anti-static packaging within the specified temperature range when not in use.
- ⚠️ Diagnostics: Use LED indicators to identify operating status or faults quickly.
5. Usage Precautions
- Do not exceed rated input voltage or operating temperature limits.
- Disconnect power before installation or service activities.
- Avoid connecting the modulator to incompatible subsystems.
- Ensure protective fuses and circuit breakers are in place to prevent electrical damage.
- Only qualified marine technicians should handle installation and troubleshooting.
6. Product Links
7. Recommended Similar Products
| Model | Description | Link |
|---|---|---|
| 65801816-2 REV.F | Updated modulator assembly with extended bandwidth | View |
| 65825813-5 Module | Companion module for advanced navigation integration | View |
| Sperry Marine 65801817-1 | Compact signal modulator for marine communication | View |
| 65825814-6 REV.D | Enhanced durability modulator with low power design | View |
| Sperry Marine 65801818-3 | Multi-protocol modulator with diagnostic features | View |
This datasheet outlines the Sperry Marine Modulator ASSY 65801816-1 REV.E 65825812-7, focusing on specifications, installation practices, and maintenance guidelines, ensuring dependable performance in demanding maritime environments.
