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Yacht Devices YDBC-05RT Digital Barometer with SeaTalk NG Connector and Built-In 120 Ohm Terminator, 300–1100 hPa
The Yacht Devices YDBC-05RT is a compact digital barometer designed for atmospheric pressure monitoring on SeaTalk NG and NMEA 2000-based marine networks. The pressure sensor is integrated inside the device case, and measured data can be displayed on compatible chart plotters, navigation instruments and other onboard equipment.
The YDBC-05RT version combines a Raymarine SeaTalk NG Female connection with an integrated 120 Ohm terminator. It is intended to replace an existing network terminator, making it particularly useful when there is no free network outlet or when the installation requires the barometer to be positioned at the end of the backbone.
Main Features
- Atmospheric pressure measurement from 300 to 1100 hPa
- Integrated pressure sensor inside the device case
- Raymarine SeaTalk NG Female Terminator connection
- Built-in 120 Ohm network terminator
- 0.01 hPa pressure data resolution
- ±0.12 hPa relative measurement accuracy
- ±1 hPa absolute accuracy from 0°C to +65°C
- Compact dimensions of approximately 54 × 20 × 20 mm
- Weight of only 11 g
- Supports graphical pressure and trend indication on compatible displays
- Stores measurements from the previous 48 hours in internal RAM
- Supports digital switching based on atmospheric pressure and pressure trends
Pressure Measurement Specifications
Parameter Specification Measurement range 300–1100 hPa Data output resolution 0.01 hPa Relative measurement accuracy ±0.12 hPa Absolute measurement accuracy at 0°C to +65°C ±1 hPa Absolute measurement accuracy outside 0°C to +65°C ±2.5 hPa
Electrical and Physical Specifications
Parameter Specification Model YDBC-05RT Network connection Raymarine SeaTalk NG Female Terminator Built-in terminator 120 Ohm Operating voltage 7–16 V from NMEA 2000 network Current consumption 24 mA Reverse polarity protection Yes Load Equivalency Number 1 LEN Operating temperature range -40°C to +80°C Dimensions Approx. 54 × 20 × 20 mm Weight 11 g
Built-In Network Terminator
The YDBC-05RT includes an integrated 120 Ohm termination resistor and is designed to replace an existing terminator at the end of the network backbone. An NMEA 2000 network requires two 120 Ohm terminators, one at each end of the bus, so no more than two devices with built-in termination should be installed on the same network.
SeaTalk NG and NMEA 2000 Integration
The device is designed for operation on an NMEA 2000 network and uses a Raymarine SeaTalk NG Female Terminator connection. Atmospheric pressure data is available to compatible equipment connected to the network and can be displayed simultaneously on multiple chart plotters and digital navigation instruments.
Weather Trend Monitoring
Compatible marine displays can present barometric pressure as numerical values, graphs or trend indicators. This allows changes in atmospheric pressure to be monitored over time for onboard weather observation.
Historical Pressure Data
The device stores measurements from the previous 48 hours in internal RAM. Historical data can be retrieved using compatible software or hardware such as CAN Log Viewer or an NMEA 2000 Wi-Fi Gateway.
Digital Switching Support
The YDBC-05RT can be configured to control compatible NMEA 2000 digital switching channels based on current atmospheric pressure or changes in pressure over time.
- Switching based on current atmospheric pressure
- Switching based on pressure change during the previous 30 minutes
- Switching based on pressure change during the previous hour
- Can trigger an alarm when atmospheric pressure falls rapidly
Configuration
The digital pressure sensor is calibrated at the factory. A configurable offset from -10.0 to +10.0 hPa can be applied when required to align the reading with other onboard instruments.
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