Measure what is happening in the root zone so you can set, verify, and fine-tune irrigation with real data. Use the Blumat Digital Moisture Meter for quick soil-tension readings, Irrometer tensiometers for continuous visual monitoring at specific depths, or electronic sensors and data loggers for remote or real-time tracking. Choose the tool based on how often you want to check moisture, the depth you need to measure, and whether you need logged data.
Moisture Monitoring
Irrometer Standard (SR) Model Vacuum Gauge
The IRROMETER was first developed in 1951 to help growers improve irrigation efficiency. It provides the user with accurate information on soil moisture status regardless of soil type. The instrument measures in centibars (cb) or kilopascals (kPa) of soil water tension. This value represents the energy a plant's root system uses to draw water from the soil. Understanding soil moisture activity helps the user make informed irrigation scheduling decisions resulting in improved yield and quality while reducing water, fertilizer, labor and energy costs. Specifications: DIAL SIZE: 2.5 in. (63 mm) CASE: AISI 304 Stainless steel membrane vented case with IP 67 protection degree WINDOW: Polycarbonate with EPDM gasket seal, DIAL: Scale of 0-100 cb (kPa), white with contrasting green markings. ACCURACY: +3-2-3% of span ASME B40.1 Grade B MECHANISM: Bronze Bourdon Tube with brass and stainless steel internals CONNECTION: Standard 1/4 in. NPT- Brass Bottom Mount OPERATING TEMPERATURE: -40° to 150° F (-40° to 65° C), 32° to 150° F (0° to 65° C ) for water service
$32.89$31.25
Irrometer Pressure Gauge 15 psi
This membrane vented pressure gauge allows for superior temperature and elevation related compensation while maintaining a dust proof and waterproof environment.
$36.75
Irrometer Standard (SR) Model, 36"
Description OPERATING PRINCIPLE: The IRROMETER operates on the tensiometer principle, which measures soil water tension. Soil water tension is the energy (vacuum) applied to soil by the plant as it draws in water for nutrition. This force is measured in centibars (cb) or kilopascals (kPa) of tension with a high reading indicating the dry end of the scale and a low reading indicating the wet end of the scale. The IRROMETER instrument consists of a sealed, fluid filled tube that is equipped with a porous ceramic tip and a special vacuum gauge. They are installed in the ground with the tips placed at desired root zone depths. As the soil dries (increasing tension), fluid is drawn out of the instrument. This reduces the fluid volume in the IRROMETER, thus creating a partial vacuum which is registered on the gauge. The drier the soil, the higher the gauge reading. An irrigation application or rainfall event reverses this action. As water flows back into the soil (and the IRROMETER), tension is relieved in the soil and the instrument, resulting in a lower gauge reading (lower tension). In effect, the instrument is indicating how hard the roots are working. Due to the IRROMETER's unique principle of operation, no calibrations are necessary under normal operating conditions for different soil types. A gauge reading of 50 cb (kPa) indicates that the roots are extracting the same amount of moisture whether the crop is planted in sandy soil or clay soil. Click here for Irrometer's instruction manual.
$128.36
Irrometer Watermark Soil Moisture Sensor, 5'
Description Standard WATERMARK Soil Moisture Sensor. For use with all crops. To be used with WATERMARK Meter, Monitor, Voltage Adapter or a compatible device. Reads electrical resistance in 0-200 centibar (cb) and kilopascal (kPa) range. Comes standard with half inch stripped and tinned ends. 5' (1.5 m) length This sensor consists of a pair of highly corrosion resistant electrodes that are embedded within a granular matrix. A current is applied to the WATERMARK to obtain a resistance value. The WATERMARK Meter or Monitor correlates the resistance to centibars (cb) or kilopascals (kPa) of soil water tension. The WATERMARK is designed to be a permanent sensor, placed in the soil to be monitored and "read" as often as necessary with a portable or stationary device. Internally installed gypsum provides some buffering for the effect of salinity levels normally found in irrigated agricultural crops and landscapes. Click here for Irrometer's instruction manual.
$49.35
Irrometer Coring Tool Kit
Assemble the coring tip onto the extension sections and the handle by screwing pieces together. Use as many extensions as necessary to make the tool the appropriate depth to position the sensor. Push the coring tool into the soil at the desired sensor location no more than one foot (30 cm) at a time to get to the desired depth. After each insertion of the tool, pull it back out and remove the soil core that has accumulated in the tip. Never rotate the tool counter-clockwise while it is inserted in the ground as the pieces can become unscrewed. Often it can be easier to push on the handle with your waist or knee to improve leverage. Footjacks and "backsaver" handles are available as options that can make installation easier. Once the hole has been made to the desired depth, the sensor can be inserted. Be sure the sensor is firmly seated in the bottom of the hole and backfilled making sure the fill soil is compacted similarly to the surrounding area, as a false reading could be obtained if surface water wicks down through uncompacted soil. Instruction Manual
$294.00
Irrometer Standard (SR) Model, 48"
DescriptionIrrometer Standard (SR) Model, 48"
$136.24
IRROMETER Company, Inc. 1002-SSAT Vacuum Pump
Description A hand vacuum pump with gauge and tubing adapter is used for applying vacuum to the tube for sample collection. We recommend using the Vacuum Pump on tubes longer than 12 in. (30 cm) to apply proper vacuum. The extracted soil water samples are commonly tested with electronic meters or portable test kits. This useful in-field sampling technique is quick and easy to perform, which makes it well suited to the frequent fertigation schedules common with certain growing conditions.
$120.00
IRROMETER Company, Inc. DS-50CC Extraction Syringe
Description The syringe is used for extraction of the collected sample. Connect the plastic extraction syringe to the tubing by twisting it onto the end fitting and draw up on the syringe plunger to extract the soil solution for analysis. *Between samples, it is important to rinse the syringe with distilled water to prevent carry-over contamination from sample to sample. For Installation and Operation Instructions click here.
$7.00
IRROMETER Company, Inc. Irrometer 6" Low Tension (LT) Soil Solution Access Tube (SSAT)
Description SSAT (Soil Solution Access Tubes), or Suction Lysimeters, were developed to easily extract soil water samples for testing. They provide the user with an accurate method of determining salinity or plant nutrient levels. Because the sample is collected at root zone depth, it reflects the true impact fertilization has on the plant material. Understanding soil water conditions helps the user make informed fertigation scheduling decisions resulting in improved yield and reduced fertilizer, water, labor and energy costs. Features: Easy to install and use Low Tension tip (blue) for sandy soils and growing media Optional Double Suction line for longer tubes Collects soil water sample at the root zone Crop consultants, irrigation professionals and researchers find the SSAT particularly useful because of its ability to easily gather soil water samples for testing. Commercial growers see the value of soil water sampling at the root zone because it reflects the net "effect" that fertilization has as it interacts with previously applied nutrients in the soil. Scientists also use this equipment when identifying and researching environmental contaminants and their movement in soil. For more information see Irrometer's spec sheet and instructions.
$49.35
IRROMETER Company, Inc. Irrometer 32" Low Tension (LT) Soil Solution Access Tube (SSAT)
Description SSAT (Soil Solution Access Tubes), or Suction Lysimeters, were developed to easily extract soil water samples for testing. They provide the user with an accurate method of determining salinity or plant nutrient levels. Because the sample is collected at root zone depth, it reflects the true impact fertilization has on the plant material. Understanding soil water conditions helps the user make informed fertigation scheduling decisions resulting in improved yield and reduced fertilizer, water, labor and energy costs. Features: Easy to install and use Low Tension tip (blue) for sandy soils and growing media Optional Double Suction line for longer tubes Collects soil water sample at the root zone Crop consultants, irrigation professionals and researchers find the SSAT particularly useful because of its ability to easily gather soil water samples for testing. Commercial growers see the value of soil water sampling at the root zone because it reflects the net "effect" that fertilization has as it interacts with previously applied nutrients in the soil. Scientists also use this equipment when identifying and researching environmental contaminants and their movement in soil. For more information see Irrometer's spec sheet and instructions.
$55.13
Irrometer Watermark Monitor
Description This assortment kit is with 1 Soil Temperature Sensor, 7 WATERMARK Sensors. The WATERMARK Monitor is a Data Logger; a device that automatically records soil moisture readings. This reading history provides a vivid picture of the soil moisture profile your irrigation practices have created. The data can be evaluated to determine ways to improve irrigation scheduling for optimum results. Individual sensor readings display on the monitor and can be taken manually at any time. The in-field display allows you to make on-the-spot checks for scheduling purposes while periodic readings are automatically taken to record the performance history. Click here for Irrometer's instruction manual.
$682.50
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