RF25N rudder angle sensor - NMEA 2000 - 5.5 m cable
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Technical specifications
Technical specifications
| NMEA 2000 Load Equivalency Number (LEN) | 1 |
| Operating voltage | 8-16 |
| Operating temperature | -25 to +55 |
| Max power consumption | 0.4 |
| Typical power consumption | 0.4 |
| Recommended fuse rating | Protected by the NMEA 2000 network fuse (typically 3A or 5A) |
| Product width | N/A |
| Product height | N/A |
| Product depth | N/A |
| Ingress protection | IP56 |
| Bus compatibility | NMEA 2000 |
| Wired network | NMEA 2000 |
| Mounting type | Horizontal, Vertical |
| Certifications | CE,EN 60945:2002,IEC 60945:2002 |
| Sensor type | Tiller angle |
| Sensor compatibility | NMEA 2000 autopilots (Simrad, B&G) |
| Angular accuracy | ±0.25° (within ±5° range) |
| Cable length | 5.5 |
| Update rate | 10 Hz |
| Sensor output type | NMEA 2000 |
| Measurement range | ±120° |
| Angle resolution | 0.1 ° |
| Linearity | N/A |
| Connector type | NMEA 2000 (M12 5-pin) |
| Accuracy Condition | Within a ±5° range |
| ACMA compliance | Yes |
| Alarm output | No |
| Alternative Products | Garmin GRF 10, Raymarine Rudder Reference Transducer |
| Anz Compliance Level | 2 |
| Australian Supplier Code | N2584 |
| Australian Supplier Details | Navico Australia Pty Ltd, Unit 5/12 Mars Road, Lane Cove NSW 2066, Australia |
| Autopilot Integration | Yes |
| Body material | Arnite T06 200 PBT |
| Brand | Navico |
| Browser-based setup | No |
| Cable included | Yes |
| Cable Length Ft | 18 |
| CE marking | Yes |
| Compass safe distance | 100 |
| Compass Safe Distance Ft | 3.1 |
| Compatibility ecosystem | Navico |
| Compatible brands | Simrad, B&G, Lowrance |
| Country of origin | Norway |
| Data Integration Method | Direct NMEA 2000 |
| Dual rudder support | No |
| EMC directive | 2014/30/EU |
| EMC standards | EN 60945: 2002 |
| EMC test laboratory | EMC Technologies |
| EMC test report number | 120622.1 |
| Environmental sealing | IP56 |
| Eu Authorized Representative | Navico Norway |
| Eu Declaration Date | 2020-11-19 |
| Eu Declaration Signer | Sondre Knudsen, RCE Manager |
| Eu Representative Address | Navico Norway, Nyaaskaiveien 2, NO-4374 Egersund, Norway |
| Acquisition frequency (Hz) | 10.0 |
| Customs code (HS) | 8543709099 |
| Installation complexity | Low |
| Specific installation environment | Rudder Stock / Rudder Cheek |
| Latency Performance | Low |
| Marine-ready | Yes |
| Measurement Repeatability | ±0.1 |
| Mechanical Rotation Total | 240 |
| Motion correction support | No |
| Network Power Supply | Yes |
| Nmea2000 Certified | Yes |
| Nmea2000 Current Draw | 33 |
| Transmitted NMEA 2000 PGNs | 127245 |
| NMEA 2000 port count | 1 |
| NMEA 0183 ports | 0 |
| Operating Temperature Fahrenheit | -13 to +130 |
| Max operating temperature | 55 |
| Min operating temperature | -25 |
| Operating Voltage Max | 16 |
| Operating Voltage Min | 8 |
| Package contents | RF25N Sensor, NMEA 2000 cable (5.5m), drive unit |
| Measurement range | ±120° |
| Plug & Play | Yes |
| Powering method | Via the NMEA 2000 network |
| Product category level 1 | Navigation Electronics |
| Product category level 2 | Sensors |
| Product category level 3 | Helm Angle |
| Product type | Rudder Angle Sensor |
| RCM declaration date | 2012-12-20 |
| RCM declaration signatory | Michael Voll |
| Rudder Angle Max | 120 |
| Output signal | NMEA 2000 |
| Steering Responsiveness Improvement | Yes |
| Storage temperature | -25 to +55 °C |
| System Precision Impact | Smooth Tacking |
| Transmitter Link Included | Yes |
| Sensor type | Tiller angle |
| Uom Name | Unit |
| Pilot use | Cap |
| Warranty period | 2 |
| Weight | 0.5 |
Detailed description
Detailed description
The RF25N mechanically measures the rudder angle and transmits this position over the NMEA 2000 network via PGN 127245. It is intended for compatible systems that use a physical rudder angle feedback.
Measurement and connection
Its mechanical range is ±120°. The stated accuracy is ±0.25° within the ±5° zone, then ±0.5° beyond that, with a repeatability of ±0.1°. The 5.5 m NMEA 2000 Micro-C cable provides power and data transmission.
Marine installation
The sensor operates on 8 to 16 V via NMEA 2000, consumes 0.4 W (LEN 1), and has IP56 protection. It can be mounted horizontally, vertically, or upside down. The 345 mm stainless-steel linkage and its two ball joints are included; installation must respect the geometry and travel limits specified in the installation guide.
Expert opinion
Expert opinion
Pol CONIN
Digital Manager
« Simple-to-integrate physical helm feedback unit for NMEA 2000 »
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