Weather Monitoring 17 The Sound of the Weather – Campbell Station Drives Musical Art Installation


Campbell Scientific (UK) have supplied weather stations for a wide variety of diverse applications over the years but, until now, art installations was never one of them. Marketing Manager, Iain Thornton said “The invitation to sponsor such an unusual project was irresistible; typically weather data is processed and visualised in tables or graphs not used as the basis for musical composition”


The project, named Variable4, is the brainchild of sound artist & composer, James Bully and colleague artist, composer and software engineer, Daniel Jones. The event is funded by the PRS for Music Foundation and sponsored by Campbell Scientific and is scheduled to take place on May 22nd this year, on Dungeness headland in Kent, UK.


Here is how Daniel Jones describes the event: “Variable 4 will transform weather patterns into a living musical composition with the same instability and unpredictability as the elements themselves. Using meteorological sensors connected to a custom software environment we have developed, the wild weather conditions of the Kent coast-land will be used to generate new combinations of musical forms, heard through a field of speakers embedded invisibly into the landscape.”


A Campbell Scientific BWS200 weather station is being supplied which will be recording wind speed and direction, precipitation, air temperature, relative humidity and solar radiation. The integrated CR200 data logger will process the data and talk to the Variable4 computer system via a MD485 multi-drop interface. Sensors will be sampled in near real time so that even subtle changes will affect the music.


“We have all heard the wind before but not like this, and certainly not in chorus with temperature, sunshine and rainfall – it will be an interesting event and I would urge anyone with an interest in the weather to come and experience it ” Commented Iain Thornton.


Reader Reply Card no 44 Weather Stations with Web Based Controller


Pessl Instruments (Austria) has been producing reliable and inexpensive measuring instruments for more than 25 years.


They are manufacturer of environment monitoring devices; especially their called iMETOS weather station in well known worldwide. They are producing electronic for agriculture (irrigation/plant protection), viticulture, horticulture, research, advisory services, environmental and hydrological projects. These devices are measuring meteorological data e.g rainfall, temperature, relative humidity, global radiation, soil temperature, wind speed, wind direction, soil moisture, barometric pressure, water level... Thanks to Pessl Instruments chain interface the connection of various sensors is possible. iMetos is used for frost, fire, flood and wind warning, weather


forecast, water management and disaster protection.


The iMetos station is powered by rechargeable batteries and a solar panel. iMETOS only requires a valid GPRS contract with good GSM coverage in the area to be operational. iMETOS reports its data to the internet climate data base of Pessl Instruments www.fieldclimate.com. There you can see and manage all your measured data. The newest member of iMetos product line is ICA 30/60, it’s a web based controller which uses internet technology to operate remotely the irrigation or automation system of a farm or a residential area.


With no PC Software and just the Internet browser or your cell phone you steer, program and control directly the irrigation or fertiliser injection etc. based on your personal judgement, the crop specific evapotranspiration or soil moisture deficit. It can receive automatically daily ET data from a weather station near by and can be stopped immediately if the rain sensor on the ICA is triggered.


Reader Reply Card no 45 Lightning Detection Network Upgraded Vaisala (Finland) has introduced a new feature to its National Lightning Detection Network (NLDN)® that will provide


customers with lightning information within 15 seconds, or in half the time than was previously possible. This network improvement makes the NLDN® market.


the fastest and most reliable lightning prediction technology available in the


The latency improvements will lead to better forecasts, safety measures and operational efficiency for Vaisala’s customers which include the National Weather Service, various airports and air traffic controllers, the U.S. Air Force Weather Agency and the National Aeronautics and Space Administration (NASA) among others.


"To a large extent our customers’ preparedness at ensuring human safety, property protection and risk management depends on the speed and accuracy with which we provide data on active lightning. With the new feature, our customers will gain precious seconds to take planned precautions against the threat of severe weather conditions," says Nikki Hembury, Product Manager of NLDN®


in Vaisala. "We have upgraded our satellite technology


and algorithm processing settings to be able to reduce the delivery time without compromising on our quality and precision."


In addition to offering faster real time lightning data feed, the NLDN® will continue providing archival data to its


customers such as power utility companies who need to analyse historical lightning data before deciding on new power line construction. The archival data also helps customers examine specific lightning incidents more comprehensively, covering large areas over days or weeks.


Reader Reply Card no 47


Unique All-Round Combined Weather Sensor


Are you in need of a reliable and precise wind and weather sensor for extreme conditions? The WENTO-IND, developed and manufactured by LAMBRECHT (Germany), meets all the requirements and is already successfully in use all over the world.


Robust and compact the WENTO-IND measures 6 meteorological parameters (wind speed and direction, air temperature, relative humidity, barometric pressure and dew point temperature). Precipitation sensors can be plugged additionally. Seawater-resistant materials and surface finishes guarantee product longevity and an integrated heating device inside the sensor head assures an operation under non-icing cold climate conditions. The pipe mounting of this sensor can be done easily and with just one cable. Via a serial interface with the international applied NMEA183 protocol, WENTO-IND can be connected to a control system or a personal computer.


The WENTO-IND and its special housing has been designed for a wide range of applications. Industrial facilities and professional marine meteorology can benefit from this sensor as well as building services or environmental measurements.


Reader Reply Card no 46


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Meteorological Instruments


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For immediate information on products featured in this issue Please email us today!


info@iet-pub.com


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November/December 2010


IET


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