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WMA-4 CO2 Analyzer
The WMA-4 is designed for applications that demand a high degree of accuracy and control with minimal maintenance. Our innovative “Auto-Zero” technology ensures fast warm-up, long term stability, accuracy and analyzer calibration. It also minimizes the effects on span (gas sensitivity) of sample cell contamination, source aging, changes in detector sensitivity and changes in pre-amplifier gain. Learn more
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WATER LEVEL METERS
Ground water level monitoring is gaining importance as we are learning to value our precious supply of fresh water. With only 3% of all water on the planet being non saline and with less than 40% of the same being available to us various agencies regularly monitor the availability and usage of this most precious resource. Most often we tap into the reserves held by our soil in permeable layers, through borewells. This is only .8% of globally available water. Agriculture takes up 80% of the water we require. This makes it even more important that we conserve and judiciously use the same. Ground water levels may be monitored with analog or electronic devices.
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VAPOR SORPTION ANALYZER
The Vapor Sorption Analyzer (VSA) brings click-and-read efficiency to soil water characteristic curves (SWCC). In 24 to 48 hours, the VSA generates curves with up to 200 data points (water potential vs. water content) for both adsorption and desorption. The VSA works in the dry (-10 to -475 MPa) range. You can create automated soil water characteristic curves and generate all the correlations with clay activity, surface area, and swelling potential. With the new static feature, you can hold humidity constant and look at the way soil takes up water into its crystal structure (2:1 clays) and monitor water content change over time.
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Time-domain reflectometer
Trase utilizes the principle of TDR in order to convert the travel time of a high frequency, electromagnetic pulse into volumetric water content. In practice Trase generates a fast-rise pulse and sends it at the speed of light down a transmission line consisting of two parallel Waveguides that are inserted or buried in the soil. The velocity of propagation of the high frequency, broad band 3GHz wave in soil is determined primarily by the water content. The wave is reflected from the open ends of the Waveguides and returns along the original path. By microprocessor, the travel time of the wave is used to directly calculate the dielectric constant of the surrounding medium. THE WORLD'S MOST VERSATILE TDR INSTRUMENT - TRASE Trase is the only self-contained TDR instrument capable of investigating and monitoring not only soils, but a wide variety of other materials as well. It is fully field portable, and when you need to leave it at a remote site for several days or weeks, it can be accessed from home or office. On site, Trase quickly measures the dielectric and subsequent moisture properties of soil, seeds, or other materials at a specific location, or, with the optional Trase Multiplexer, at up to 256 locations. Trase automatically logs your sensors at intervals ranging from once a minute to once a day. Using diverse waveguide configurations and associated conversion tables, Trase rapidly measures new or unusual materials.
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The Soil Solution Access Tube
The Soil Solution Access Tube Widely used in agriculture and horticulture, The Irrometer SSAT (Soil Solution Access Tube) is one of the most widely commercially available soil moisture sampling implements available. Paired with Hand Vacuum Pumps and extraction syringes, these are amongst the most affordable and competent solutions available to the farming community.
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tensiometers
A Tensiometer is the only instrument that gives you the true moisture indication in the soil it is installed in. A soil moisture Tensiometer measures soil water potential matric potential – an indicator of the force that a plant crop must exert to obtain moisture from the soil medium it is planted in.
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Soilmoisture Equipment Corp
Built for the research side primarily, with heavy duty sampling solutions at very great depths and options to overcome every perceivable limitation. Best for contamination, leaching and remediation studies Soilmoisture ‘s sampling systems equips the responsible researcher.
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Soil Water Samplers
Amongst the simplest of tools for environmental management, Soil Water samplers perform the task of collecting available soil water along with dissolved minerals, nutrients and also pollutants. Having different names across the world, such as Lysimeters, Soil solution Access Tubes, Pore water samplers, this family of instruments is the must have for anyone wishing to know what goes on beneath the soil. Be it a farmer or a conservationist, sampling with this instrument tells you whether to add fertilizers or what remedial action must be taken.
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Soil Test Kits
The (agricultural) soil test kits offer simplified methods for determination of available nutrients found in agricultural soils. A series of rapid, accurate chemical tests use standardized reagents to produce color reactions measured against laminated color charts. Colorimetric test methods are used for most test factors. Some tests are based on turbidity measurements. A single extraction procedure (We recommend our water samplers for obtaining soil water samples from root zones) provides the liquid soil extract for all the nutrient tests. Soil pH is determined colorimetrically, covering the range of pH 3.8 to 9.6. Complete reagent refill packages are available for each outfit. All kits outfits are furnished in lightweight carrying cases with components securely mounted.
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Soil moisture profile measurement sensor
The award winning EnviroSCAN probe is the flagship product of Sentek. It provides the user with great flexibility for precision monitoring of water and salinity at multiple depths in a soil profile. The EnviroSCAN probe first made its mark in irrigated agriculture, resulting in water savings of 30-50% and substantial yield and quality benefits. Today it is widely used in all forms of irrigated and dryland agriculture, environmental applications, research and education, as well as turf, parks and gardens. The EnviroSCAN probe is the only commercially available product that allows for monitoring to great depths (up to 40 metres) using the same profiling probe.
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Soil Measurement Systems
With all welded 304 stainless steel construction, with no glue or plastics, SMS’s lysimeters are suitable for organics and most inorganics. Ideal for contaminated sites, SMS brings its unique porous steel samplers for long term monitoring solutions.
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Soil Core Sampler Steel Rings
Soil Core Sampler for taking undisturbed soil samples in stainless steel soil sample rings 60mm dia, 100cc internal volume, complete with ten stainless steel soil sampling rings with end caps, and one nylon headed shock-absorbing hammer. Stainless steel soil sample ring, 60mm dia, 100cc internal volume, with end caps Nylon headed shock absorbing hammer
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Soil Compaction Meter
Soil Compaction meters (often called penetrometers) are used to determine the density of soil and other material. An operator pushes a rod with attached (ASAE standard) cone into the ground. The resistance of the cone is displayed as it is pushed in the ground. Unseen soil compaction can limit root growth and water and nutrient absorption. This compaction meter enables you to identify compacted areas in pounds per square inch so that you can use deep tillage or other practices recommended for your area based on hard facts.
Feature : Durable molded housing with rubber grip handles,Easy to read, color-coated, stainless steel dial tha
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Soil column cylinder auger
The soil column cylinder auger has been developed to take undisturbed soil samples. This allows a fast insight in the build-up of the soil profile, the possibilities for a root system, etc. The more insight in these matters, the more effective fertilization and treatment of the soil can be done. Applying this system it is possible to take undisturbed samples with a length of 100 cm and a diameter of 90 mm, without digging a profile pit. The soil column cylinder auger is hammered into the soil applying a gasoline driven mechanical hammer (on special request an electrical driven hammer). The cylinder has a removable side cover, among other things, for checking andor for sub-sampling of the soil column.
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Portable soil moisture measurement instrument
Diviner 2000 from Sentek is a portable and robust device measuring soil water over multiple depths (at 10 cm intervals) in the profile. Diviner 2000 consists of a probe and hand-held data logging display unit allowing the user to make onsite management decisions at up to 99 sites at a time. The Diviner 2000 probe is available in 3 lengths, 0.7 metre, 1.0 metre and 1.6 metres making it ideal for a wide range of applications. The patented "Swipe and Go" technology means that Diviner 2000 does not need to be held at each individual depth in the soil profile. To take a reading the encapsulated capacitance sensor is simply swiped in and out of the access tube, measuring up to 16 depths in just a few seconds.
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In Situ Hydraulic Conductivity
The tension infiltrometer measures the hydraulic properties of unsaturated soil. Water held under tension infiltrates into a dry soil through a highly permeable nylon membrane. The time dependent infiltration rate is used to calculate unsaturated hydraulic conductivities and related hydraulic properties. Infiltration rates are recorded manually.
Features : On-site determination of hydraulic properties,Requires low volume of water,Adjustable tension settings
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HYPROP modular lab instrument
HYPROP is a modular lab instrument that generates a moisture characteristic curve and determines the unsaturated hydraulic conductivity of soil samples in standard 250 ml soil sampling rings. After setup, the system generates the moisture characteristic while running unattended. Two precision mini-tensiometers measure water potential at different levels within the sample while the sample rests on a precision laboratory scale (2000 gram range; 0.01 gram resolution). As the sample dries, changes in water potential are correlated to changes in moisture content using the WindSchindler evaporation method. Results are verified and values for dry range and saturation are calculated according to a selected model (i.e., van GenuchtenMualem, Bimodal van GenuchtenMualem, or Brooks and Corey.) Model parameters can be selected before, during, or after the measurement procedure
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Guelph constant head Permeameter
The Guelph permeameter is a ‘constant head’ permeameter that operates in accordance with the principle of the Mariotte bottle. After boring a hole the Guelph permeameter is placed. The water from the permeameter slowly flows into the auger hole and penetrates into the soil. At a certain moment a saturated ‘bulb’ is formed and the out-flow of water from the storage cylinder reaches a constant value (that is measured). These measured data together with the diameter of the auger hole and the level of the water in the auger hole, are used to determine the (saturated) hydraulic conductivity of the soil. For shallow water tables, we recommend the Hydraulic conductivity test kit.
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Electronic Water Level Loggers
Automatic water level monitors (levelogger edge) record highly accurate groundwater and surface water level and temperature measurements. It combines a pressure sensor, temperature detector, 10-year lithium battery, and datalogger, sealed within a 78" x 6.25" (22 mm x 159 mm) stainless steel housing with titanium based pvd coating. The levelogger junior edge provides an inexpensive alternative for measuring groundwater and surface water levels and temperature. The levelogger junior edge combines a pressure sensor, temperature detector, a datalogger, and 5-year battery (based on a 1-minute sampling rate) in one compact 78" x 5.6" (22 mm x 142 mm) stainless steel housing. The ltc levelogger junior logs conductivity, as well as water level and temperature. Like the lt levelogger junior edge, it is easy to transport, program, deploy and retrieve data. It combines a datalogger, 5-year battery, hastelloy pressure sensor, temperature detector, and conductivity sensor within a small waterproof housing, 78" x 7.5" (22 mm x 190 mm).
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CIRAS-3 Portable Photosynthesis System
PP-System CIRAS-3 Portable Photosynthesis System has small footprint and lightweight Internal, rechargeable Li-ion battery providing up to 8 hours operation 4 Independent, non-dispersive infrared gas analyzers for both CO2 and H2O Large, full color, 7.0" transflective LCD for field use and optimized viewing angle Unlimited data storage (internal memory and thumb drives) Flexible and versatile user interface Powerful software Range of accessories for soil respiration, canopy assimilation and chlorophyll fluorescence Weighs just 4.3 kg Measurement Ranges: CO2 (0-10000 µmol mol-1), H2O (0-Dewpoint)
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Ceptometer
The AccuPAR model LP-80 is a lightweight, portable, linear photosynthetically active radiation (PAR) sensor. It lets you measure canopy PAR interception and calculate leaf area index (LAI) at any location within a plant or forest canopy. PAR data can be used with other climate data to estimate biomass production without destroying the crop. PAR is also important in determining other canopy processes; such as radiation interception, energy conversion, momentum, gas exchange, precipitation interception, and evapotranspiration. The AccuPAR also uses radiation measurements and other parameters to accurately calculate leaf area index (LAI) non-destructively in real time, in the field. Lightweight, Self-contained The AccuPAR weighs a little over 1 pound ( 0.5kg). The attached controller, powered by four AA batteries, can be used to take measurements manually or can log data unattended for short periods of time. It stores 1 MB of data (over 2,000 readings) for later download and analysis. Includes External Sensor The included external PAR sensor can be used to make simultaneous above- and below-canopy PAR measurements. Using both the external sensor and the AccuPAR together allows you to get accurate PAR and LAI data in clear, partly cloudy, or overcast sky conditions.
Resolution : 1 μmol m-2s-1
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AIC Double ring infiltrometer
The ring infiltrometer may be used for determining the rate of infiltration and capacity for irrigation and drainage projects, studying drainage, determining the intensity of artificial precipitation and the effect of treatment of the soil. As vertically infiltrated water runs away to the sides, the outer ring of the infiltrometer serves as a separation. The measurements exclusively take place in the inner ring through which the water runs virtually vertical.
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Thermal Properties Analyser
Laboratory Permeameters
Soil Drilling And Sampling
physical survey
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