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  • Measuring devices, analysis and sensors > Analyse matière gazeuse (translation in progress) > Combustion analysis > Anemometers
  • Measuring devices, analysis and sensors > Analyse matière gazeuse (translation in progress) > Combustion analysis > Combined wind analyses
  • Measuring devices, analysis and sensors > Analyse matière gazeuse (translation in progress) > Combustion analysis > Other meteorological equipment
  • Measuring devices, analysis and sensors > Analyse matière gazeuse (translation in progress) > Combustion analysis > Meteorological stations

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Combustion analysis
Anemometers
Humidity transmitters
Dew point analyses
Other meteorological equipment
Combined wind analyses
Wind vanes
Psychrometers
Meteorological stations
Hygrometers - relative humidity
Humidity sensors
Air analysis
Gas analysis


Wind vanes :

4 products Flux RSS
SRW1G SELF-REFERENCING ENCODER WINDVANE

SRW1G SELF-REFERENCING ENCODER WINDVANE

The SRW1G is a Windvane which uses a reed-switch/diode encoder together with a built-in mechanical compass system to convert the wind direction (relative to magnetic north) as sensed by the position of the F10 Series Fin into a Gray-coded parallel digital output suitable for loggers/PLCs. The reed-switch encoder offers the advantage of virtually zero power consumption together with good sensitivity at low wind speeds. While the relatively coarse resolution of the encoder (16 sectors) precludes accurate instantaneous measurements, the random nature of wind fluctuations together with the oscilliatory response of the vane allows accurate determination of the average wind direction from multiple samples. Construction is from anodised aluminium alloys and stainless steels for exposed parts. Combined with precision bearings, the result is an instrument suitable for continuous exposure to the weather, with a long service interval. A marine version (/WR) is available with enhanced sealing and a "skirt" for extra protection against the elements. This windvane is Self Referencing, that is to say that the built-in mechanical compass system compensates for the variable position/orientation of mobile platforms (or platforms with unknown orientation), for example buoys at sea, and the wind direction is always measured relative to magnetic north. The logging/measuring equipment must, however, compensate for the local difference between magnetic and true north where appropriate. >>>
View the product on windspeed.co.uk Vector Instruments
W200G (ENCODER/GRAY-CODE) WINDVANE

W200G (ENCODER/GRAY-CODE) WINDVANE

The W200G is a Windvane which uses a reed-switch/diode encoder to convert the wind direction as sensed by the position of the F20 Series Fin into a Gray-coded parallel digital output suitable for loggers/PLCs. The reed-switch encoder offers the advantage of virtually zero power consumption together with good sensitivity at low wind speeds. While the relatively coarse resolution of the encoder (16 sectors) precludes accurate instantaneous measurements, the random nature of wind fluctuations together with the oscilliatory response of the vane allows accurate determination of the average wind direction from multiple samples. Construction is from anodised aluminium alloys and stainless steels for exposed parts. Combined with a hard plastic (upper) bearing and precision ball-race, the result is an instrument suitable for continuous exposure to the weather, with a long service interval. A marine version (/WR) is available with enhanced body/fin sealing and a touching shaft-seal above the upper plastic bearing for extra protection against the elements. An anti-icing heater is also available as an option. This windvane is Fixed Reference, that is to say that it must be aligned with north during installation and fixed in that position/orientation during operation. For mobile platforms or situations where the orentation of the platform is unknown (for example buoys at sea), a self-referencing windvane such as our SRW1G would be appropriate. >>>
View the product on windspeed.co.uk Vector Instruments
W200P POTENTIOMETER WINDVANE

W200P POTENTIOMETER WINDVANE

The W200P Potentiometer Windvane incorporates a precision wire-wound potentiometer as a shaft angle transducer, enabling wind direction sensed by the F20 fin to be accurately determined when connected to suitable measuring equipment, such as a data logger or PLC. The potentiometer has the lowest possible torque consistent with long life and reliability, the small gap at north being filled with an insulating material to ensure smooth operation over the full 360°. The standard F20 vane-arm (fin) assembly is attached using the unique Porton™ gravity fastener allowing good alignment and rapid attachment and release. A large alternative vane-arm (fin), type F20/LV is available where improved sensitivity is required. Construction is from anodised aluminium alloys and stainless steels for exposed parts. Combined with a hard plastic (upper) bearing and precision ball-races, the result is an instrument suitable for continuous exposure to the weather, with a long service interval. A marine version (/WR) is available with enhanced body/fin sealing and a touching shaft-seal above the upper plastic bearing for extra protection against the elements. This is our most popular windvane and is suitable for most applications. Please contact us for advice on the correct choice of options and accessories and suggestions on measuring techniques for best results in your application. This windvane is Fixed Reference, that is to say that it must be aligned with north during installation and fixed in that position/orientation during operation. For mobile platforms or situations where the orentation of the platform is unknown, a self-referencing windvane such as our SRW1G would be appropriate. >>>
View the product on windspeed.co.uk Vector Instruments
W200P/L (LOW TORQUE) POTENTIOMETER WINDVANE

W200P/L (LOW TORQUE) POTENTIOMETER WINDVANE

The W200P/L Low Torque Potentiometer Windvane incorporates a precision wire-wound potentiometer as a shaft angle transducer, enabling wind direction sensed by the F20 fin to be accurately determined when connected to suitable measuring equipment, such as a data logger or PLC. The potentiometer has the lower torque than our standard W200P potentiometer windvane, allowing increased sensitivity at lower windspeeds, however the gap and "deadband" at north are larger and the potentiometer is less robust, factors which are reflected by the lower price of this instrument. The standard F20 vane-arm (fin) assembly is attached using the unique Porton™ gravity fastener allowing good alignment and rapid attachment and release. A large alternative vane-arm (fin), type F20/LV is available where extra sensitivity is required. Construction is from anodised aluminium alloys and stainless steels for exposed parts. Combined with a hard plastic (upper) bearing and precision ball-races, the result is an instrument suitable for continuous exposure to the weather, with a long service interval. A marine version (/WR) is available with enhanced body/fin sealing and a touching shaft-seal above the upper plastic bearing for extra protection against the elements. This windvane is Fixed Reference, that is to say that it must be aligned with north during installation and fixed in that position/orientation during operation. For mobile platforms or situations where the orentation of the platform is unknown, a self-referencing windvane such as our SRW1G would be appropriate. >>>
View the product on windspeed.co.uk Vector Instruments


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