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Soil Moisture, Data Logging, Meteorology and Plant Science
 

Soil Moisture Measurement

undefinedundefinedDelta-T Devices is a market leader in soil moisture monitoring, with more than twenty years experience of providing researchers with high quality soil moisture sensors.

Our range incudes the "gold standard” ML3 ThetaProbe soil moisture sensor, highly respected by scientists and researchers worldwide for its reliability and 1% accuracy.

We also offer the SM300 soil moisture sensor, with 2.5% accuracy, and featuring built-in temperature measurement. Finally we have the affordable SM150 Sensor with 3% accuracy. The sensors are compatible with most types of data logger, including the Delta-T Devices GP2, GP1 and DL6 loggers; alternatively the sensors can be connected to the portable HH2 hand-held readout unit.

For vertical profiling of soil moisture Delta-T offers the unique PR2 Profile Probe. The PR2/4 model measures at 4 depths down to 40cm or the PR2/6 model measures at 6 depths down to 100cm. Researchers and consultants value the flexibility of this instrument which can be used in fixed installations with a data logger or as a portable profiling tool with the HH2 hand-held readout unit. The Delta-T GP2 and DL6 data loggers both have dedicated PR2 connectors for rapid set up. 

The WET Sensor measure three vital properties of substrates: water content, pore water EC and temperature. It is the ideal tool for fertigation monitoring in horticulture or for soil salinity studies. Readout and data storage are handled by the portable HH2 hand-held readout unit; alternatively, the WET Sensor can be connected to a GP1 or GP2 data logger.

For soil water potential measurements Delta-T offers the maintenance-free EQ3 Equitensiometer and the SWT4, SWT4R and SWT5 water filled tensiometers.

Delta-T has retained thousands of loyal customers worldwide who appreciate the reliability, performance and long-term service that we provide. Their feedback is incorporated into many of our product designs to create a process of continuous improvement.

For further information, please use links below to product summary documents or individual product pages

 

Summary - Soil

Grower Product Summary
 

Detailed - Soil & Loggers

Soil Moisture Measurement
 

Summary - Entire range

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Soil Science, Soil Moisture
ML3  ThetaProbe Soil Moisture Sensor
  • New high performance soil moisture sensor
  • Now with built-in soil temperature measurement
  • 1% soil moisture accuracy

With the ML3 ThetaProbe it's easy to make reliable, accurate soil moisture measurements. Simply insert the probe into the soil, connect to your data logger or meter, and within seconds you can be logging soil moisture. ThetaProbes are robust, buriable and maintenance free.


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SM300  Soil Moisture Sensor
  • New research grade sensor
  • Soil moisture AND temperature

The new SM300 Soil Moisture Sensor achieves 2.5% accuracy and offers outstanding performance in all soil types. The SM300 is a versatile, high quality, research grade sensor that offers convenience and cost saving by combining soil moisture and temperature measurement in a single probe.


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SM150  Soil Moisture Sensor
  • New cost effective soil moisture sensor
  • Ideal for horticulture research

The new SM150 Soil Moisture Sensor delivers 3% accuracy in soil moisture measurements to researchers and growers alike, offering outstanding performance in all soil types.


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PR2  Profile Probe
  • Measure soil moisture above and below the root zone
  • Dual function - instantmeasurementswith HH2 Moisture Meterorlong term monitoring with DL6 recorder
  • Accurate measurements - low sensitivity to temperature and salinity

The PR2 uses newly patented sensing technology making it possible to measure soil moisture content profiles in a range of soil types and across a wide range of nutrient levels.The Profile Probe is uniquely able to provide both portable measurements (attached to a meter) as well as long-term records when attached to a data logger.


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WET-2  WET Sensor
  • Accurate soilmoisture and pore waterEC monitoring within the root zone

The WET Sensor is unique in its ability to monitor Water content, pore water EC and Temperature directly within the soil or plant growing medium. It is an invaluable tool enabling horticultural growers to monitor and optimise the growing conditions directly within the substrate.


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