WS310-UMB Smart Weather Sensor
First and only compact weather sensor with integrated Kipp & Zonen CMP10 Pyranometer with secondary standard quality
From the WS product family of professional intelligent measurement transducers with digital interface for environmental applications. Integrated design with ventilated radiation protection for measuring: Air temperature, relative humidity, air pressure and radiation. One external temperature or rain sensor is connectable.
- Temperature, relative humidity, air pressure, radiation
- NTC/T, Capacitive/RH, MEMS capacitive/Pressure, Kipp&Zonen/Radiation
- Compact all-in-one weather sensor, low power, heater, aspirated radiation shield, maintenance-free operation, open communication protocol
- RS485 with supported protocols UMB-Binary, UMB-ASCII, Modbus-RTU, Modbus-ASCII, XDR and SDI-12
- 8374.5
Advantages of the Smart Weather Sensor WS310
- All-in-one housing concept of a compact weather sensor combining several measurement parameters in one housing with only one cable connection
- First and only compact weather sensor with integrated Kipp & Zonen CMP10 Pyranometer with secondary standard quality
- Built-in data pre-processing, universal interfaces and selectable output protocols
- Compatible with many commercially available Met/HydroMet dataloggers and PLS systems thanks to an open communication protocol
- Maintenance-free operation – no moving parts that can wear out
- Suitable for all climate zones; also for solar-powered automatic meteorological stations
- Ventilated temperature and humidity measurement according to WMO guidelines
- Integrated heater that can be switched on if there is danger of frost
Examples of use of the Smart Weather Sensor WS310
The robust and maintenance-free smart weather sensor WS310 is designed for professional meteorological applications in all climate zones. It delivers reliable data, even in extreme ambient conditions
Examples of use:
- PV-Monitoring / Solar Monitoring on photovoltaic farms
- Hydro-meteorological stations
- Meteorological reference stations
- Integration into various other systems/solutions, where these measurement parameters are needed...
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EU declaration of conformity - Lufft WS Family
EU declaration of conformity - Lufft WS Family
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Firmware - WSXXX
For WSXXX device versions 1 - 29 (see serial number) / Für WSXXX Geräteversionen 1 - 29 (siehe Seriennummer)
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Firmware - WSXXX v70
For WSXXX device versions ≥30 (see serial number)
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| General | |
| Dimensions | Ø approx. 150 mm, height approx. 332 mm |
| Weight | Approx. 1.5 kg |
| Interface | RS485, 2 - wire, half - duplex |
| Power supply | 11…32 VDC |
| Power supply | 5…11 VDC (electronics with limited precision of measurements) |
| Power supply | 24 VDC +/- 10% (heater) |
| Power consumption | 40 VA (heater) |
| Operating temperature | -50...60 °C (with heater) |
| Operating rel. humidity | 0...100 % RH |
| Cable length | 10 m |
| Protection level housing | IP66 |
| Mast mounting suitable for | Mast diameter 60 - 76 mm |
| Temperature | |
| Principle | NTC |
| Measuring range | -40 ... 80 °C |
| Unit | °C |
| Accuracy | ±0.2 °C (-20...50 °C), otherwise ±0.5 °C (>-30 °C) |
| Relative humidity | |
| Principle | Capacitive |
| Measuring range | 0 ... 100 % RH |
| Unit | % RH |
| Accuracy | ±2 % RH |
| Air pressure | |
| Principle | MEMS capacitive |
| Measuring range | 300 ... 1200 hPa |
| Unit | hPa |
| Accuracy | ±0.5 hPa (0...40 °C) |
| Radiation | |
| Response time | < 5 s |
| Zero offset A | < 7 W/m² |
| Zero offset B | < 2 W/m² |
| Directional error (at 1000 W/m²) | < 0.2 % |
| Temperature dependence of sensitivity | < 1 % (-10 ºC...40 ºC) |
| Spectral range | 285 to 2,800 nm |
| Measuring range | 4000 W/m² |
WS product family: Communication after protocol change
How to communicate with a WS-Sensor and the UMB-config-Tool if the protocol was changed for example to Modbus or SDI-12?
After a Reset ( switching On/Off the sensor) every WS-Senor will start up for the first 5 seconds in UMB-protocol and the standard baud rate of 19200Bd. Independend to the configured protocol and baudrate settings of the WS-Sensor.
In this first 5 Seconds you will be able to connect via UMB-config-Tool to the WS-Sensor after this first command was send the UMB-protocol will stay for 10 minutes after that it switches back to the original configured protocol. This Time will always be extended to 10 minutes if a new UMB command was send.
WS product family: SDI-12 wiring plan for Device version >= 42
How to connect a WS-sensor with a device version >= 42 (hardware version >=14) to a SDI-12 system?
The wiring plan has changed compared to the wiring plan of older WS-Sensor device versions.
The new wiring plan is:
- +VDD = brown
- GND = white
- SDI12_Signal = yellow
- SDI12_GND = white
This is also mentioned as a note in the latest WS-sensor manual in the section 8 Connections
