Irrometer Model SR

Item No. 42135200
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Irrometer Soil Moisture Indicators are for efficient irrigation scheduling by supplying soil moisture information by acting as a 'dummy root."  Its consists of a sealed, water-filled tube equipped with a porous, ceramic tip that is installed in the ground at desired root zone depths.  In dry soil,
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$83.00
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Description
Irrometer Soil Moisture Indicators are for efficient irrigation scheduling by supplying soil moisture information by acting as a 'dummy root."  Its consists of a sealed, water-filled tube equipped with a porous, ceramic tip that is installed in the ground at desired root zone depths.  In dry soil, water is drawn out of the instrument, reducing water volume in the Irrometer, thus creating a partial vacuum, which is registered on the gauge.  The drier the soil, the higher the reading.  Irrigation reverses this action.  The vacuum previously created in the tube by dry soil draws water from the now irrigated soil back into the instrument.  This in turn results in a lower gauge reading.  Two instruments are necessary for accurate assessment of available water at the root zone; one is set shallow, the other deep.  The SR - Standard model is for use in medium to heavy soils.  Instrument includes a threaded replaceable tip as well as reservoir, air free gauge chamber and hermetically sealed Irrometer vacuum gauge with dual scale of centibars and kilopascals (0-100 cb [kpa] range).
Specifications
Size 12"
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