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TDR-315H: A Compact, Energy-Efficient Digital Soil Moisture Sensor.
As a fully integrated digital Time Domain Reflectometer (TDR) soil water content sensor, the TDR-315H stands out for its energy efficiency, consuming significantly less power compared to its counterparts in the N series while still maintaining an impressive 150 picosecond rise time for exceptional accuracy. However, it’s important to note that it is not suitable for soils with high clay content or bulk Electrical Conductivity (EC) exceeding 1800 µS/cm.
Delve into its Features,
The TDR-315H is engineered to deliver precise Volumetric Water Content measurements in various soils and porous media. Despite its compact size, it incorporates the fundamental TDR components typically found in much costlier console-based TDR instruments. Housed within its enclosure is a 15 cm waveguide, with the patented TDR function directly coupled to it, eliminating the need for a coax cable common in conventional TDR devices. This design enhancement not only reduces costs but also enhances waveform data bandwidth, thereby improving resolution and sensitivity.
A Step Forward in Soil Moisture Sensing,
Serving as the successor to the former Acclima TDR-315 and TDR-315L soil moisture sensors, the TDR-315H boasts several enhancements. It seamlessly integrates ultra-fast waveform generation and digitization functions with a precise 5 picosecond resolution time base and advanced waveform digitization and analysis firmware, enabling accurate time domain analysis of soil-propagated waveforms. Its form factor is specifically tailored for shallower horizontal installations, fitting neatly into the sidewall of a trench dug to the desired measurement depth.
Key Improvements over its Predecessor,
Compared to the TDR-315L, the TDR-315H offers faster rise time, a shaped incident wave, lower power consumption, and rapid response time. While matching the rapid rise time of the TDR-315, it consumes significantly less power and comes at a lower price point, making it a cost-effective solution for soil moisture measurement applications.
In summary, the TDR-315H represents a leap forward in soil moisture sensing technology, combining energy efficiency with high performance to meet the diverse needs of soil moisture measurement across various environments.
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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