Soil Moisture measurement

   
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Tensior 5 Mini Tensiometer With Electronic Pressure Transducer
Eijkelkamp 14.04.10 Tensior 5 Mini Tensiometer With Electronic Pressure Transducer

Product Features
 
  • Characterized by its small ceramic cup (diameter 5 mm and a surface area of 0.5 cm2) and the short length of the tube causing only minor disturbance of the soil.
  • Used in particular for (point) measurements in soil columns, small lysi-meters and pots.
  • The meter yields fast and reliable measuring results.
  • Eijkelkamp 14.04.10 Tensior 5 Mini Tensiometer With Electronic Pressure Transducer can be used for measurements in different positions.
  • Measuring range of -1000 till +850 hPa and an output signal of -100 till +85 mV (+/- 3 mV).
  • Power supply is 10.6 Vdc and current consumption 1.3 mA.

 







Standard Tensiometer
Eijkelkamp 14.04.03 Standard Tensiometer

Product Features
 
  • Consists of a clear transparent plastic tube with a ceramic cup at the bottom end and a manometer at the top.
  • Delivered in various lengths allowing the execution of simultaneous measurements at various depths in the root zone.  
  • Eijkelkamp 14.04.03 Standard Tensiometer for pre-drilling special auger sets can be provided.






Soil Moisture Measuring System With Gypsum Blocks
Eijkelkamp 14.22 Soil Moisture Measuring System With Gypsum Blocks

Product Features
 
  • Eijkelkamp 14.22 Soil Moisture Measuring System With Gypsum Blocks meter can be used in combination with soil moisture blocks (relatively cheap gypsum blocks).
  • The soil moisture content is determined by measuring the resistance between two electrodes inside the gypsum blocks.
  • Reliable measurement is based on optimal contact between sensor and soil.
  • Gypsum blocks are permanently buried in the soil (at the desired depth) and have a life of 3 to 5 years (depending on the type of soil).
  • Meter is constructed in sturdy synthetic  material.
  • Measuring range of 0 - 100% for 3-100 kPa.
  • Meter is applied in places where a tensiometer cannot be used (dry soils).
  • A system that provides an indication as to when irrigation is required.
  • Sensors can be connected to a data logger for soil moisture measurements.






Soil Moisture Measuring System With SM300 Sensor
Eijkelkamp Soil Moisture Measuring System With SM300 Sensor

Product Features
 
  • Can handle both research and irrigation applications by achieving +/- 3% accuracy (with soil specific calibration).
  • Measuring range of 0-50 %vol.
  • Can have excellent temperature stability, low salinity sensitivity and accurate volumetric water content data.
  • Low cost.
  • Soil Moisture Measuring System With SM300 Sensor can be connected to a data logger for continuous monitoring applications.






Soil Moisture Meters: Thetaprobe
Eijkelkamp 14.26 Soil Moisture Meters: Thetaprobe

Product Features
 
  • The Thetaprobe soil moisture sensor measures the soil moisture volume percentage by applying the Frequency Domain technique.
  • Eijkelkamp 14.26 Soil Moisture Meters: Thetaprobe measures the soil moisture volume percentage by measuring the changes in the dielectric constant. The changes are converted into a millivolt signal proportional to the soil moisture content.
  • The sensor consists of a sturdy, watertight synthetic housing which contains the electronics.
  • The housing is fitted with 4 stainless steel measuring probes at one end that can simply be pushed into the soil (or other material).
  • To measure within a measuring range of 5 - 55 volumetric moisture content with an accuracy of 5% with standard calibration and only 2% with soil specific calibration.
  • The sensor has an output signal of 0-1 Vdc.
  • Sensor is supplied standard with a 5-metre cable and plug for connection to the soil moisture meter or with wire for connection to a datalogger.
  • The measurement values are shown on the display of the soil moisture meter and can be stored in the memory (including time and sensor location). These data can be read on a PC.
  • Meter comes with built-in conversion characteristics for mineral and organic soils.
  • The software allows a further 5 soil specific calibrations to be introduced.
  • If the moisture content is measured of other materials the meter will give an output signal in millivolts.
  • Soil moisture sensors can be connected easily to a datalogger.
  • Also available in the form of a profile probe for use in thin-walled tubes that are  installed in the soil.
  • The data logger with 6 analogue channels can be used with combinations of Thetaprobes. Up to 16000 readings can be stored in the memory.






Soil Moisture Measuring System Watermark
Eijkelkamp 14.27 Soil Moisture Measuring System Watermark

Product Features
 
  • Eijkelkamp 14.27 Soil Moisture Measuring System Watermark to measure the moisture tension in the soil.
  • Measuring principle is similar to that of the gypsum block system.
  • Do not dissolve in soil & have a more consistent distribution of pores.
  • Measuring range of 0-200 kPa (0 - 200 cbar).
  • Can be used individually or in combination with a PVC tube (in various lengths).
  • Optimal contact between sensor and soil for reliable measurements.
  • Permanently bury in soil and have an average life of 3-5 years.
  • Temperature correction by using a soil temperature meter. Temperature measured can be set in the soil moisture meter.
  • Used as a replacement for tensiometers by converting the electrical resistance into moisture tension (kPa).
  • Can be connected easily to a data logger.






Watermark Monitor
Eijkelkamp 14.27.SA Watermark Monitor

Product Features
 
  • Eijkelkamp 14.27.SA Watermark Monitor is a battery operated data logger.
  • Automatically taking and storing readings from the Watermark sensors at a configurable interval.
  • Readings can be viewed in the field, or collected data can be downloaded by a PC or hand held device and displayed graphically for analysis.
  • Up to 7 sensors can be recorded, including optional temperature sensors and pressure ON / OFF switches for recording irrigation events.
  • Reading intervals are configurable form once a minute to once every 24 hours.
  • Complete set with 7 sensors, one temperature sensor and software.






Trime FM-3 Soil Moisture Measuring System
Eijkelkamp 14.62 Trime FM-3 Soil Moisture Measuring System

Product Features
 
  • Eijkelkamp 14.62 Trime FM-3 Soil Moisture Measuring System  consists of a read-out unit, various three-pin probes and a unique tube probe.
  • Measuring range of 0 - 95 volume percentage moisture.
  • The compact, portable read-out unit is fitted in a robust IP65 housing with an LCD read-out screen.
  • The display shows the measuring result, the TDR-level, the battery capacity and the status.
  • Approximately 300 measurements can be executed by using rechargeable batteries.
  • The meter has been fitted with an analog output 0 - 1 V and a standard R232/V24 interface.
  • Can be linked to a PC for programming, calibrating or reading and processing the measured values.
  • All probes have PVC coated rods to obtain best measuring results even in saline materials (bulk soil electrical conductivity up to 2 dS/m).
  • For very high salinities, special high-conductivity probes (C-version) are available.
  • The three-pin probes P3S and P3, length measuring pens respectively 110 and 160 mm, are intended for surface measurements.
  • The P3Z three-pin probe is used for measurements in bore holes.  
  • The tube probe with a measuring range of 0 - 60 volume percent moisture is used for measurements in thin-walled tubes with a length of up to 2 m.
  • Using the special calibrating set the various probes can be calibrated with the meter.
  • Possible to execute a special calibration for deviating materials or types of soil.
  • The different probes can, using modules, optionally be used in a network.






Trime Data Pilot system
Eijkelkamp 14.62.50 Trime Data Pilot system

Product Features
 
  • Eijkelkamp 14.62.50 Trime Data Pilot system for measurement data management on location, right at the point of measurement, using a Palm PC with Windows-CE.
  • The Trime FM meter with its RS 232/V24 interface provide the means for direct extraction of recorded moisture readings with the Trime Data Pilot and storing them in a file incorporating site specific data.
  • Verbal notes, too, can be recorded directly on location.
  • Possible to connect intelligent probes with its own RS 232/V24 interface directly to the Trime Data Pilot.
  • Using Windows-CE, the recorded data of course can be analysed on any PC with MS-Excel.
  • The USB is the standard interface for the transfer of data.
  • A protective case ensures that the Trime Data Pilot works reliable even in damp and wet surroundings.






Trase Soil Moisture Measuring System
Eijkelkamp 14.63 Trase Soil Moisture Measuring System

Product Features
  • A complete (modular) measuring instrument for measuring and storing moisture data applying the TDR-technique.
  • Allows for different cards to be built-in.
  • Eijkelkamp 14.63 Trase Soil Moisture Measuring System can be supplied in two different designs, with or without built-in multiplexer controller card.
  • A measuring range of 0 -100% volume percent moisture and is supplied inclusive wave guides, connector, battery and charging equipment.
  • Housed in a strong, aluminium, waterproof housing and is tip-key controlled.
  • On the large, high-resolution screen it is possible to not only show the measuring values, but also the graphic image of the wave-shape during the measurements.
  • The wave shape yields all kinds of information regarding the qualities of the material in which the measuring takes place.
  • Operates with various screens (setup, autolog, help, etc.) in order to offer user friendly control.
  • Memory capacity for 200 graphs or 6300 measurements.
  • The recharge-able battery is suitable for approx. 750 manual measurements or 1500 automatic measurements.
  • Fitted with an RS232-gate for connection to a PC, printer or modem, a connection for recharging the battery or connection to an external power source, a multiplexer connection and a BNC-plug.
  • For different applications different wave guides are available.
  • The standard multiplexer-protection box offers weather-resistent housing, allowing several multiplexer cards to be built-in for the connection of several probes (a maximum of 76 channels; larger boxes are optional available).
  • The multiplexer-cards are self-configuring which makes them easy to fit in the system.
  • Also available is a MiniTrase kit (14.63.SA), which retains all of the superior capabilities of the Trase system, but also features significantly reduced weight, size and cost.