Lufft WS300-UMB Compact Weather Station
The Lufft WS300-UMB S55300 is a compact temperature, humidity and barometric pressure weather station with RS485 Modbus communication, integrated heating and rugged IP66 protection.
Typical Applications
- Automatic weather stations
- Meteorological monitoring
- Environmental monitoring
- Wind-farm auxiliary weather measurement
- Industrial weather monitoring
- Remote monitoring stations
- Building and infrastructure monitoring
- Atmospheric research
- Data-logger installations
- Renewable-energy sites
Product Enquiry
Lufft WS300-UMB Compact Weather Station
The Lufft WS300-UMB S55300 is a compact temperature, humidity and barometric pressure weather station with RS485 Modbus communication, integrated heating and rugged IP66 protection.
Typical Applications
- Automatic weather stations
- Meteorological monitoring
- Environmental monitoring
- Wind-farm auxiliary weather measurement
- Industrial weather monitoring
- Remote monitoring stations
- Building and infrastructure monitoring
- Atmospheric research
- Data-logger installations
- Renewable-energy sites
The Lufft WS300-UMB S55300 Compact Weather Station is a compact multi-parameter environmental sensor designed specifically to measure air temperature, relative humidity and barometric pressure in professional meteorological and monitoring systems. Temperature is measured using an NTC sensing element, while pressure and relative humidity use capacitive measurement technology. The WS300-UMB provides 300–1200 hPa pressure measurement, -50°C to +60°C temperature measurement and 0–100% RH humidity measurement, communicating through a two-wire RS485 Universal Measurement Bus with Modbus protocol. Its standardized plug connection, integrated 20 VA heating, configurable UMB architecture and IP66 enclosure simplify installation and maintenance while making it suitable for automatic weather stations, environmental monitoring and remote data-acquisition applications.
Key Features
- Measures temperature
- Measures relative humidity
- Measures barometric pressure
- Does not measure wind
- Pressure range: 300–1200 hPa
- Pressure accuracy: ±0.5 hPa
- Temperature range: -50°C to +60°C
- Temperature accuracy: ±0.2°C from -20°C to +50°C
- Relative humidity range: 0–100% RH
- Relative humidity accuracy: ±2% RH
- RS485 two-wire interface
- Modbus communication
- 12–24 VDC power supply
- Integrated 20 VA heating
- 8-pole screw connector
- IP66 protection
- 10 m standard cable
The UMB architecture lets multiple compatible Lufft sensors use the same standard communication approach, so once a monitoring system is configured to poll one UMB device, additional UMB instruments can be integrated largely through parameterisation rather than creating a completely different data-acquisition workflow.
Product Models
S55300
- Lufft WS300-UMB Compact Weather Station S55300
- Compact temperature humidity and barometric pressure measurement station
- Air pressure measurement range 300 to 1200 hPa
- Air pressure accuracy ±0.5 hPa from 0°C to +40°C
- Temperature measurement range -50°C to +60°C
- Temperature accuracy ±0.2°C from -20°C to +50°C
- Temperature accuracy ±0.5°C outside the primary accuracy range
- Relative humidity measurement range 0 to 100% RH
- Relative humidity accuracy ±2% RH
- Two-wire half-duplex RS485 communication interface
- MODBUS communication protocol for digital data acquisition
- Operating power supply 12 to 24 VDC ±10%
- Integrated heating rated approximately 20 VA at 24 VDC
- IP66 housing approximately 150 mm diameter x 223 mm high
- Approximately 1.0 kg sensor supplied with standard 10 m cable
The Lufft WS300-UMB S55300 Compact Weather Station is a compact multi-parameter environmental sensor designed specifically to measure air temperature, relative humidity and barometric pressure in professional meteorological and monitoring systems. Temperature is measured using an NTC sensing element, while pressure and relative humidity use capacitive measurement technology. The WS300-UMB provides 300–1200 hPa pressure measurement, -50°C to +60°C temperature measurement and 0–100% RH humidity measurement, communicating through a two-wire RS485 Universal Measurement Bus with Modbus protocol. Its standardized plug connection, integrated 20 VA heating, configurable UMB architecture and IP66 enclosure simplify installation and maintenance while making it suitable for automatic weather stations, environmental monitoring and remote data-acquisition applications.
Key Features
- Measures temperature
- Measures relative humidity
- Measures barometric pressure
- Does not measure wind
- Pressure range: 300–1200 hPa
- Pressure accuracy: ±0.5 hPa
- Temperature range: -50°C to +60°C
- Temperature accuracy: ±0.2°C from -20°C to +50°C
- Relative humidity range: 0–100% RH
- Relative humidity accuracy: ±2% RH
- RS485 two-wire interface
- Modbus communication
- 12–24 VDC power supply
- Integrated 20 VA heating
- 8-pole screw connector
- IP66 protection
- 10 m standard cable
The UMB architecture lets multiple compatible Lufft sensors use the same standard communication approach, so once a monitoring system is configured to poll one UMB device, additional UMB instruments can be integrated largely through parameterisation rather than creating a completely different data-acquisition workflow.
Additional information
| Models | S55300 |
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