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TDR-305N is a fully integrated time domain reflectometer (TDR) soil water content sensor, also known as a soil moisture probe or meter, which delivers precise readings of Volumetric Water Content (VWC) and Bulk Electrical Conductivity (BEC) or Pore Water Electrical Conductivity (PWEC) with an ultra-fast 300 picosecond rise time, enabling detailed waveform analysis. Engineered to withstand high electrical conductivity (EC) levels during measurements, it serves as an optimal solution for soils with elevated salt concentrations.
Discover Versatile Options,
The TDR-305N, a variant of the TDR-310N, features a shortened waveguide, allowing for shallow measurements and suitability in environments with higher conductivity, albeit with a reduced total measurement volume. With its high voltage waveform output, it excels in measuring soil properties in high conductivity conditions, despite its increased power consumption compared to the TDR-315H. This sensor integrates cutting-edge technology, combining rapid waveform generation and digitization with a precise 5 picosecond resolution time base and advanced waveform digitization and analysis firmware, facilitating comprehensive time domain analysis of soil-generated waveforms.
Designed for effortless vertical installation using a 34 mm flat-bottomed auger, it couples with a 1” schedule 40 PVC pipe for easy handling during installation to the desired depth. Data transmission is seamless via a 3-wire SDI-12 interface, ensuring compatibility with data recorders compliant with SDI-12 version 1.4 and earlier.
Innovative Soil Smart Technology
The Soil Smart series from Acclima represents a paradigm shift in soil moisture sensing technology. Designed to meet the diverse needs of agricultural, research, and landscaping applications, Soil Smart sensors are engineered to deliver exceptional performance across a wide range of soil types and conditions.
Advanced Performance
Within the Soil Smart series, each sensor is equipped with advanced features and capabilities to ensure superior accuracy and reliability. Through rigorous testing and validation, Soil Smart sensors consistently demonstrate precise and reliable measurements, even in challenging soil conditions.
Unmatched Precision
No other soil moisture sensor series on the market can match the precision and performance of the Soil Smart series. Whether you’re monitoring moisture levels in agricultural fields, research plots, or landscaping projects, Soil Smart sensors provide the accuracy and stability needed for informed decision-
making and optimal water management.
TRUE Time-Domain Reflectometer (TDR) sensors, widely acknowledged as the pinnacle of moisture sensing technology, have long grappled with various limitations such as restricted mobility, coaxial lead connections limiting bandwidth, and steep costs, often reaching thousands of dollars.
However, Scott Anderson, the visionary founder of Acclima Inc., has revolutionized this landscape. After years of meticulous research aimed at refining and downsizing TDR technology, this year marks the unveiling of a sensor that addresses these challenges head-on. Encapsulated within a robust epoxy resin enclosure, this sensor incorporates all necessary electronics, algorithms, and signal processing, while featuring an industry-standard SDI-12 interface.
Tailored for “insertion type” soil readings, the sensor offers exceptional user-friendliness in the field. Moreover, boasting a generous 150ml sample volume, it surpasses Capacitance probes by a significant margin.
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