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Yacht Devices YDBC-05NT Digital Barometer with NMEA 2000 Micro Male Connector and 120 Ohm Terminator, 300–1100 hPa
The Yacht Devices YDBC-05NT is a digital atmospheric pressure sensor designed for use on NMEA 2000-equipped vessels. It measures barometric pressure and makes the data available to compatible chart plotters, digital navigation instruments and other equipment connected to the network.
Unlike the standard YDBC-05N version, the YDBC-05NT includes a built-in 120 Ohm terminator. Models with the T suffix are designed to be connected to the NMEA 2000 bus in place of an existing terminator, allowing installation without requiring an additional free network connector.
Main Features
- Atmospheric pressure measurement from 300 to 1100 hPa
- Integrated pressure sensor inside the device case
- Built-in 120 Ohm NMEA 2000 terminator
- NMEA 2000 Micro Male connection
- 0.01 hPa data output resolution
- ±0.12 hPa relative measurement accuracy
- ±1 hPa absolute accuracy from 0°C to +65°C
- Compatible with chart plotters and digital navigation instruments
- Supports graphical pressure display and trend indication on compatible equipment
- Stores measurements from the previous 48 hours in internal RAM
- Supports digital switching actions based on pressure level and pressure trends
Pressure Measurement Specifications
Parameter Specification Measurement range 300–1100 hPa NMEA 2000 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-05NT Network connection NMEA 2000 Micro Male 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 Weight 11 g
NMEA 2000 Connector Compatibility
Connection Compatibility NMEA 2000 Micro Male Supported DeviceNet Micro Male Compatible Garmin NMEA 2000 Male Compatible
Built-In Terminator
The YDBC-05NT contains an integrated 120 Ohm terminator and must be connected at the end of the NMEA 2000 bus in place of an existing terminator. According to the NMEA 2000 network specification, two 120 Ohm terminators are required at the ends of the bus, and no more than two devices with a built-in terminator should be used on the same NMEA 2000 bus.
Weather Monitoring
Atmospheric pressure data from the YDBC-05NT can be displayed simultaneously on compatible chart plotters and navigation instruments. Equipment that supports graphical pressure display or trend indicators can be used to monitor pressure changes and identify developing weather trends.
Historical Data
The device stores measurements from the previous 48 hours in internal RAM. Historical pressure data can be retrieved with compatible Yacht Devices software or hardware, including CAN Log Viewer or an NMEA 2000 Wi-Fi Gateway.
Digital Switching Support
The YDBC-05NT 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 be used to trigger an alarm when atmospheric pressure falls rapidly
Configuration
The pressure sensor is factory calibrated. A configurable pressure offset from -10.0 to +10.0 hPa can be applied when required to align the reading with other onboard instruments.
Product Identification
Parameter Specification Brand Yacht Devices MPN YDBC-05NT EAN 4779045210168 -
