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Research-Grade
Soil Moisture Sensor
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Scientific accuracy ±3%
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Excellent temperature stability
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Can be used in saline soils
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Minimal soil disturbance
Ease of
use
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Low cost logging solution available
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Flexible cabling solutions
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Easy installation at depth
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Can be used in plant pots
Overview
The SM200 soil moisture sensor has research grade performance
and gives reliable readings in all soil types, being designed
for easy insertion and installation at both the soil surface and
at depth. This market leading sensor offers outstanding
performance in saline soil conditions and in extreme
temperatures. For a sensor of this build quality and
specification the SM200 is extremely competitively priced.
Research
Grade
The SM200 measures volumetric soil moisture content with ±3%
precision. Offering exceptional price performance, the SM200
uses industrial grade connectors and high grade materials
throughout, to produce a soil moisture sensor of outstanding
quality.
Ease of
Use
The SM200 minimises soil disturbance, permitting reliable
readings in undisturbed soil. The sensor has been designed with
field use in mind. The SM200 is a circular sensor and can be
easily installed at depth in augured holes. A low-cost insertion
rod is available.
The SM200 has very flexible cabling solutions. A bare-end 5m
cable is available for connection to a data logger. Extension
cables of 5m, 10m, and 25m lengths are available. Multiple
extension cables can be used to tailor the cable length to you
application.
A total cable length of up to 55m is recommended. Longer cable
lengths can be used at a slightly reduced accuracy.
Delta-T commissioned a custom cable for the SM200 to our exact
specifications. The result is a high quality cable for demanding
soil monitoring applications.
A braided shield combined with a polyurethane sheath ensures the
cables have high wear and good resistance to rodent damage.
Industrial grade M8 connectors are used, providing ease of use
and IP68 environmental protection.
 Performance
and Reliability
Only the highest grade materials have been used in the
manufacture the SM200 resulting in a soil moisture sensor of the
highest quality. By means of novel design and manufacturing
practice this quality has been achieve at no cost penalty to
customers.
You can buy an SM200 with the confidence that it is supported by
Delta-T’s 15 years experience of producing world renowned,
research grade soil moisture sensors.
Delta-T sensors are reliable and field-proven, and are in
regular use in some of the world’s harshest environments.
Research
and Irrigation Sensor
The SM200 is ideally suited to soil science,
agronomy,horticulture and agricultural research studies. It is
equally applicable to irrigation applications.
The SM200 can be combined with a GP1 for a very cost effective
soil monitoring solution, resulting in significant water
savings, increased crop yield and improved crop quality.
Soil
Monitoring Solution
The SM200 can be used with a wide range of data
loggers,irrigation monitors and controllers, or hand held meter.
The GP1 offers a particularly competitive irrigation monitoring
and data logging solution, with up to two SM200s, two
temperature sensors, and rain gauge. For applications requiring
more moisture measuring points, the DL6 soil moisture logger
allows up to six SM200s to be monitored and combined with a
temperature sensor and a rain gauge.
The DL2e data logger allows as many as sixty SM200s to be
monitored in combination with a broad range of environmental and
weather monitoring sensors.
Sensor
Specifications |
