Landscape systems
In use since 1978, the patented WATERMARK sensor is a solid-state electrical resistance sensing device that is used to measure soil water tension. As the tension changes with water content the resistance changes as well. That resistance...
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Watermark Soil Moisture Sensor
Description In use since 1978, the patented WATERMARK sensor is a solid-state electrical resistance sensing...
$33.00
The WATERMARK Meter is a hand held device designed for reading WATERMARK sensors in the field. The digital readout displays the sensors’ soil moisture status in centibars (cb) or kilopascals (kPa) of soil water tension. This value repre...
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Watermark Meter
Description The WATERMARK Meter is a hand held device designed for reading WATERMARK sensors in...
$28.00
WATERMARK Electronic Module — WEM
OPERATING PRINCIPLE:
The WATERMARK Electronic Module works in conjunction with a residential or commercial type irrigation controller to suspend irrigation when soil moisture status is appropriate for g...
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Watermark Electronic Module
Description WATERMARK Electronic Module — WEM OPERATING PRINCIPLE: The WATERMARK Electronic Module works in conjunction...
$200.00
Designed for home owners and using the proven WATERMARK sensor, this simple device “controls the controller” so that watering is only allowed when necessary based on soil moisture status. One sensor and an adjustment range designed spec...
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Water Switch
Description Designed for home owners and using the proven WATERMARK sensor, this simple device “controls...
$100.00
The Multiple Hydrozone System, both wired (MHS) and wireless (W-MHS), works with your existing AC irrigation controller to eliminate programmed irrigations when plants have adequate soil moisture. It makes decisions to open or close the...
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Multiple Hydrozone System
Description The Multiple Hydrozone System, both wired (MHS) and wireless (W-MHS), works with your existing...
$70.00
