Portable / Field Testing Worldwide Distribution of Agricultural Expertise
Eijkelkamp (Netherlands) has signed an agreement with the Swiss company Plantcare. PlantCare develops and markets intelligent irrigation systems for agriculture and landscaping. Eijkelkamp will be responsible for the worldwide distribution of PlantCare’s Mini-Logger, a (wireless) sensor which records soil moisture and soil temperature, and the PlantControl D wireless data logger.
Eijkelkamp’s Managing Director Frank Tillmann is delighted with the expansion of Eijkelkamp’s product range: ‘PlantCare products are a great supplement on our current product range. These products indicate when to start the irrigation and how long to irrigate. We all know that irrigation is of vital importance for our future’s food security. Furthermore PlantCare products fit seamlessly in our solutions concept for environmental research.’
PlantCare Ltd. was founded in 2005 and is based in Switzerland. PlantCare develops and markets intelligent irrigation systems for agriculture and landscaping to ensure demand based irrigation and efficient use of water as a resource.
PlantCare’s worldwide patented sensor technology is based on the microthermic measurement of soil moisture. A specially developed felt material in moisture balance with the soil acts as the interface between the surrounding soil and the sensor. To measure the moisture level, the sensor is briefly heated and the cooling-down time, which varies depending on soil moisture, is determined. The sensor’s cooling-down time thus provides a statement of the soil’s moisture content.
PlantCare’s irrigations systems are used in agricultural research, forestry, hydrology and for irrigation monitoring in garden and landscaping construction, agriculture, horticulture and (tree) nurseries.
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Mobile Discharge Measurement
Sub-ppm to Percent Oil in Water/Soil Measurements… Wilks has the solution.
Get results accurately, easily and on-site in under 15 minutes with an InfraCal Analyzer!
Sommer GmbH (Austria) adds a new technology to discharge measurement devices. Discharge measurement of rivers, irrigation channels or technical canals is daily business for hydrologists worldwide. The Sommer TQ tracer system offers new capabilities where conventional equipment, such as mechanical flow meter or ADCP boats, fails.
Conventional measurement equipment has certain limitations. On the one hand a minimum water depth is required and on the other hand the water may not be too turbulent, in order to avoid the risk of losing the flow meter or ADCP boat. This makes it impossible to get an accurate discharge in streams or in turbulent torrents.
With the recently developed tracer systems from Sommer GmbH, the TQ-F fluorescein and the TQ-S salt tracers, two new mobile devices are available which allow the immediate determination of the discharge of all flowing waters. The measurement principle is easy. With a minimum of two probes the fluorescence or the electrical conductivity of the water is measured. In the next step an exact amount of tracer medium, e.g. normal salt NaCl, is poured into the river. By measuring the change of conductivity or fluorescence the dilution and consequently the discharge of the river is determined.
Whereas the salt tracer TQ-S is limited to a maximum discharge of approximately 10 m³/s, due to the need of 5 kg/m³ salt, the fluorescein tracer TQ-F has almost no limitation. The tracer medium for the TQ-F is either Uranin or Rhodamin of which approx. 1 g/m³ is required.
Great advantages of the Sommer tracer system are its mobility and usability. Within 10 minutes accurate discharge results can be obtained directly on a laptop or mobile phone via Bluetooth, using the included software TQ-Commander. The use of up to four probes verifies the results.
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InfraCal TOG/TPH Analyzer
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InfraCal 2 Analyzer
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www.envirotech-online.com IET September / October 2013
Wilks Enterprise, Inc. East Norwalk, CT 06855 USA TEL: 203-855-9136 FAX: 203-838-9868 EMAIL:
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www.WilksIR.com
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