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Richard Paul Russell Limited
MetPak™ Pro Weather Station MetPak™ Pro Weather Station
Designed & manufactured in the UK

Gill MetPak Pro with Integrated WindSonic

with FREE UK Standard Delivery

Product replaced by MetConnect

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This MetPak Pro comes with an integrated WindSonic ultrasonic wind sensor for high accuracy wind speed and direction measurements and four parameters including temperature, relative humidity, barometric pressure and dew point. Four additional inputs are also available for external measurement devices such as a precision tipping bucket rain gauge.

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MetPak Pro with Integrated WindSonic Description

The MetPak Pro with Integrated WindSonic is capable of monitoring seven weather parameters: barometric pressure, air temperature, humidity, dew point, wind speed and wind direction. It also includes additional inputs for a Pt100 temperature sensor, a tipping bucket rain gauge and two analogue sensors (such as water level sensor, pyranometer, pressure sensor, soil temperature sensor etc.).

The following parameters and inputs come as standard:
• Wind Speed & Direction
• Air Temperature
• Relative Humidity
• Barometric Pressure
• Dew Point
• 2 * Analogue Inputs
• PRT Input
• Digital Input (for optional Rain Gauge)

External sensors can be connected directly to the weather station or for convenience via an optional distribution junction box which can be located separately from the MetPak Pro giving greater flexibility when swapping or replacing external sensors.

MetPak Pro comes complete with: MetSet configuration software, MetView data logging/visualisation software, mounting kit to adapt to poles or masts and selectable ASCII, SDI-12 or Modbus outputs.

Richard Paul Russell Ltd. can connect the sensor to the WeatherFile.com website where data can be viewed using any internet connected device and downloaded for detailed analysis in a .CSV file format.


• Building and industrial controls
• Authorities
• Transport
• Coastal
• Agricultural
• Safety
• Educational
• Commercial
• Energy
• Emergency response
• Pollution control and plume modelling
• Weather Forecasting
• Aviation
• Environmental monitoring
• Industrial controls
• Road Weather Stations
• Coastal Weather Stations
• Sports stadium and outdoor events
• HVAC & Building Automation Control


• Lightweight, compact and durable complete weather station
• Ultrasonic wind sensor with no moving parts
    • Low start up wind speed (0.01 m/s)
    • True 0 to 360° operation
• Serial data output options
• Easily pole mounted
• Low power consumption for remote monitoring
• Real time output
• Simple and easy to install
• Extremely low maintenance
• 24 months warranty
• Free MetSet Configuration Software allows users to configure the output and display data provided by the MetPak Pro. The simple interface features a range of drop-down selection boxes, providing the ability to enable or disable existing sensors and adjust output rates
• Free MetView software is also provided free with each weather station, offering a clear, intuitive display of the current weather conditions. MetView features five gauges: Temperature, Humidity, Pressure, Wind Speed and Wind direction. There is also a digital readout of Dew Point
• Optional MetPak Pro Junction Box allows an alternative method to connect the sensors to the MetPak Pro in a convenient separate box
• Optional heater interface box ease of connection for remote heated wind sensors
• Optional Kalyx tipping bucket rain gauge (other rain gauges available on request)

Physical Dimensions 361mm height (overall)
270mm standoff (max) from face of mounting pole
142mm width
Weight 2.1 kg (including bracket)
Mounting Vertical pipe mounting to 30mm to 58mm diameter mast
Material UV Stabilised white thermoplastic with anodised aluminium mounting bracket
Performance Wind speed Range 0.01 to 60 m/s (0.02 to 116 knots)
Accuracy ±2 % @ 12m/s
Resolution 0.01 m/s (0.02 mph)
Threshold 0.01 m/s
Units of measure m/s, knots, mph, km/hr, ft/min
Wind direction Range 0 to 360° (no dead band)
Accuracy ±3° @ 12m/s
Response time 0.25 sec
Air temperature Range -35°C to +70°C
Accuracy ± 0.1°C
Resolution 0.1°C (0.1°F)
Units of measure °C, °F or K
Relative humidity Range 0-100% RH
Accuracy ± 0.8% @ 23°C
Resolution 0.1% RH
Units of measure % RH
Barometric pressure Range 600-1100 hPa
Accuracy ±0.5hPa
Resolution 0.1hPa
Units of measure hPa. mbar, mmHg, InHg
Dew point Accuracy ± 0.15°C @ 23°C ambient temp and 20°C dew point
Resolution 0.1°C (0.1°F)
Units of measure °C or °F
Sensors Wind speed & direction WindSonic ultrasonic sensor
Temperature, relative humidity & dew point Rotronic HygroClip model HC2-S3 compensated for temperature dependency.
Radiation shield 6-plate naturally aspirated
Barometric pressure Solid state device compensated for temperature dependency -20°C to +70°C
Inputs Analogue 1 0-5V or 4-20mA loop or self powered
Analogue 2 0-5V or 4-20mA loop or self powered
MetPak Pro A-D Conversion 12 bit resolution with an accuracy of ± 0.1% of reading +35µV offset
Pt100 temperature probe 4 wire Pt100 conforms to IEC 60751
Digital Contact closure for tipping bucket rain gauge capable of capturing events up to 10Hz
Outputs Digital outputs RS232, RS422, RS485 (2 wire point to point) or SDI-12
Baud rates 1200 (SDI-12) - 4800-57600 (ASCII RS232, RS422)
Protocols ASCII or SDI-12 V1.3
Output rate 0.25, 0.5, 1 Hz or polled mode
Parameters output Polar wind speed and direction or U & V vectors, barometric pressure, humidity, temperature, dew point, power supply voltage, MetPak status code, checksum
  click on the Overview tab for details of the default serial output
Power Power requirements RS232, RS422 5 to 30 V dc
<26 mA (output 1second) @ 12 V
SDI-12 12 V nominal (9.6 to 16 V dc)
< 12 mA low power operation
Environmental Temperature Operating range: -35°C to +70°C
Storage range: -40°C to +80°C
Humidity Operating range: 0% to 100% RH
Protection Class IP65
EMC EN 61326
Miscellaneous Calibration Factory calibrated
Software MetView - Free software for the display of data and logging
MetSet - Free software for the configuration of the MetPak, MetPak RG & MetPak Pro

The manufacturer reserves the right to amend the specification and therefore the information in this document may be subject to change

Gill MetPak with Integrated WindSonic
Gill MetPak Pro with Integrated WindSonic
Gill MetPak RG with ARG314 Rain Gauge
Gill MetPak Base Station
Gill MetPak Pro Base Station
Gill MetPak RG Base Station
  MetPak with
Integrated WindSonic
MetPak Pro with
Integrated WindSonic
MetPak RG with
ARG314 Rain Gauge
Base Station
MetPak Pro
Base Station
MetPak RG
Base Station
Wind Speed Tick Tick Tick      
Wind Direction Tick Tick Tick      
Air Temperature Tick Tick Tick Tick Tick Tick
Humidity Tick Tick Tick Tick Tick Tick
Pressure Tick Tick Tick Tick Tick Tick
Dew Point Tick Tick Tick Tick Tick Tick
Precipitation (ARG314 Tipping Rain Bucket Gauge)     Tick      
2 Analogue Inputs   Tick     Tick  
Pt100 Input   Tick     Tick  
Digital Input (tipping bucket rain gauge)   Tick     Tick  
Optional Distribution Junction Box   Tick     Tick  
Optional Gill WindSonic 1 Sensor inc Mounting Bracket & 6m Cable       Tick Tick Tick
Optional ARG314 Tipping Rain Bucket Gauge           Tick
Optional Kalyx Tipping Rain Bucket Gauge   Tick     Tick  
MetSet Configuration Software Tick Tick Tick Tick Tick Tick
MetView Visualisation Software Tick Tick Tick Tick Tick Tick