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Irrometer Company, Inc.Click For Directions


Address: 1425 Palmyrita Ave.


City/State/Zip: Riverside, CA, 92507


Phone: 951-682-9505


FAX: 951-682-9501




Contact: More Information


Company Info: IRROMETER Phone 951-682-9505 Fax 951-682-9501 E-mail Web Site Since 1951 IRROMETER has been a leader in soil moisture measurement and management technologies. For landscape applications the WATERMARK family of soil moisture management products is designed to work in conjunction with residential and commercial irrigation controllers. These devices optimize irrigation scheduling based on plant demand. They are simple to install and adjust for various plant and soil types.





Wireless Multiple Hydrozone System

Wireless Multiple Hydrozone System intelligently manages up to 8 hydrozones with as many as 48 valves. A wireless system is particularly beneficial where extensive wire trenching is a concern. Controlled via 2.4 GHZ radio nodes within a 1,000' range. Works with conventional controllers to eliminate unnecessary programmed irrigations when soil moisture is adequate.

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Wireless Multiple Hydrozone System

The Wireless Multiple Hydrozone System saves money, water & energy, has moisture control for individual areas, has solar powered radio transmitters, reports watering history and irrigation water savings. It is also available as a wired system.

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Multiple Hydrozone

The Multiple Hydrozone System (MHS) allows independent moisture control of valve groups when all valves share a common ground. The MHS interfaces with any 24 VAC irrigation controller for soil moisture automation. Valves are grouped together into hydrozones based on that location's specific irrigation needs. As many as eight independent moisture sensing locations can be managed with sensors directly wired to the control panel. Each Hydrozone will interrupt the irrigation cycle based on plant's demand for that location. Each Hydrozone can be independently programmed for the desired moisture level.

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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 specifically for turf grass make this an affordable and simple way to make any controller with "sensor" terminals a Smart controller.

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WATERMARK Electronic Module

WATERMARK Electronic Module works with irrigation controllers to improve scheduling efficiency based on plant demand by preventing irrigation cycles when soil moisture is wetter than the adjustable set point.

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Battery-Watermark Electronic Modules

The battery version WATERMARK Electronic Module WEM-B is designed to use with most battery powered controllers/valves. Using our patented soil moisture sensors, the system suspends irrigation when soil moisture is adequate.

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The IRROMETER Model TGA tensiometer is specifically designed for applications such as parks, golf courses, cemeteries, freeways & dividers, athletic fields, and industrial landscaping. Our Model TGA is aligned horizontally to allow for measuring irrigation in the shallow root zone of turf and landscaping, while also incorporating the IRROMETER Adjustable Moisture Level Selector & Switch feature. This feature allows for setting a desired point on the gauge at which a switch will be closed for automatic irrigation. The Adjustable Moisture Level Selector & Switch can be compared to a thermostat, continually measuring the soil moisture and signaling the controller whenever a water application is desirable, or preventing an application when there is no need for one.

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Watermark Monitor

Watermark Monitor: This data-logger automatically reads soil moisture sensors. Readings are displayed in the field and stored automatically for later display on a personal computer.

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March 19, 2018, 4:03 am PDT

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Last Updated 03-19-18
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