Stevens Hydra Probe II Soil Moisture Sensors Banner
93640-025

Stevens Hydra Probe II Soil Moisture Sensors

Stevens Hydra Probe II Soil Moisture Sensors

Description

The Stevens Hydra soil moisture sensor provides simultaneous measurement of soil moisture, salinity, and temperature using a unique patented design.

Features

  • Instantaneous sensor response with no calibration requirements
  • Compact, rugged, zero-maintenance design for long-term deployments
  • Easy integration with NexSens data logging & telemetry products
Free Shipping on this product
More Views
Your Price
$395.00
Usually ships in 1-2 weeks

Shipping Information
Return Policy
Why Buy From Fondriest?

Details

The Stevens Hydra Probe II soil moisture sensor is an in-situ soil probe that measures 21 different soil parameters simultaneously. The Stevens Hydra instantly calculates soil moisture, electrical conductivity, salinity, and temperature as well as supplying raw voltages and complex permittivity for research applications. A compact, rugged design with potted internal components makes the Hydra Probe easy to deploy and leave in the soil for years with no maintenance.

The Stevens Hydra probe design is unique compared to other soil moisture probes because the electrical response of soils can be specified by two parameters - the dielectric constant and the conductivity. The dielectric constant is most indicative of water content, while the conductivity is strongly dependent on soil salinity. Unlike other capacitance type sensors, the Hydra Probe measures both of these components simultaneously. The high frequency electrical measurements indicating the capacitive and conductive properties of soil are then directly related to the soil's moisture and salinity content, while a thermistor determines soil temperature.

The sensor includes built-in RS-485 and SDI-12 outputs for interfacing with NexSens iSIC and SDL data loggers. Sensor cable can be factory-connectorized with NexSens underwater connectors for integration to an SDL submersible data logger sensor port. Data collection options include direct-connect, landline phone, cellular, radio, Ethernet, WI-FI, and satellite telemetry. NexSens iChart Software is a Windows-based program for interfacing both locally (direct-connect) and remotely (through telemetry) to a NexSens data logger or network of data loggers.
Image Part # Product Description Price Stock Order
Stevens Hydra Probe II Soil Moisture Sensors 93640-025 Hydra Probe II soil moisture, temperature, & salinity sensor with SDI-12 interface, 25' cable
$395.00
Usually ships in 1-2 weeks
Stevens Hydra Probe II Soil Moisture Sensors 63646-025 Hydra Probe II soil moisture, temperature, & salinity sensor with RS485 interface, 25' cable
$395.00
Usually ships in 1-2 weeks
Stevens Hydra Probe II Soil Moisture Sensors 93640-050 Hydra Probe II soil moisture, temperature, & salinity sensor with SDI-12 interface, 50' cable
$445.00
Usually ships in 1-2 weeks
Stevens Hydra Probe II Soil Moisture Sensors 63646-050 Hydra Probe II soil moisture, temperature, & salinity sensor with RS485 interface, 50' cable
$445.00
Usually ships in 1-2 weeks
Stevens Hydra Probe II Soil Moisture Sensors 93640-100 Hydra Probe II soil moisture, temperature, & salinity sensor with SDI-12 interface, 100' cable
$545.00
Usually ships in 1-2 weeks
Stevens Hydra Probe II Soil Moisture Sensors 63646-100 Hydra Probe II soil moisture, temperature, & salinity sensor with RS485 interface, 100' cable
$545.00
Usually ships in 1-2 weeks
Image Part # Product Description Price Stock Order
Stevens SDI-12 Xplorer 51139 SDI-12 Xplorer, USB to SDI-12 sensor interface adapter
$450.00
Usually ships in 1-2 weeks
NexSens A50 Junction Box A50 Sensor junction box, includes 4 entrance holes
$349.00
Usually ships in 3-5 days

Related Products

In The News

Northern Kentucky U. Researchers Investigate Tradeoffs Of Green Infrastructure

Green infrastructure installations, like green roofs, permeable parking lots or bioswales, are increasingly popular these days. They are built for good reasons, like decreasing urban runoff or improving a stream’s water quality, among other things. But as with anything, there are tradeoffs to implementing them. A study led by scientists at Northern Kentucky University is evaluating some of the costs and benefits to using one type of green infrastructure in a study considering constructed wetland sites in Kenton County, Kentucky. The research, led by Sarah Stryffeler, an undergraduate student studying environmental science, has looked at multiple sites using gas-catching chambers that have given scientists the means to analyze the greenhouse gases emitted by the manmade wetlands.

Read More

Army Corps of Engineers Protects River Wildlife

A complex series of locks and dams up and down the Ohio River enable interstate commerce, travel and recreation by maintaining a usable pathway for watercraft, but come with the inevitable byproducts of disrupting the river’s natural systems. To combat this, the U.S. Army Corps of Engineers uses a complex monitoring and response technology designed to minimize the negative impacts of dredging on the river ecosystem. Steven Foster, a limnologist with the Corps Water Quality Team, works at the Robert C. Byrd Lock and Dam in Gallipolis Ferry, West Virginia. He said one key area he focuses on is the welfare of mussels in the river. River dredging can smother mussel beds, so Foster and the team of engineers monitor the beds to ensure their safety.

Read More

Researchers Track Glacial Meltwater On Its Surprising Journey

While the scientific community has formed its consensus on how ice sheets are shrinking in and around Greenland, some researchers are tracking what happens to the meltwater as it drains into the ocean each summer. Their study, published in Nature Geoscience by an interdisciplinary team of biologists, oceanographers and hydrologists, used computer models to simulate the meltwater to see where currents take it and what effect it could have on the ocean. Renato Castelao, one of the researchers and an associate professor of marine science for the University of Georgia, said one of the biggest discoveries of the study was the surprising final destinations of the ice sheets as they melt into the ocean each summer.

Read More