Aanderaa 5217 Tide Sensors
Features
- Smart sensor technology for plug-and-play interface
- Output parameters: Pressure, Tide Pressure, Tide Level, Temperature
- Depth rating of up to 6000 meters
- Expedited repair and warranty service
- Lifetime technical support
- More
Overview
The Aanderaa 5217 Tide Sensor is a compact, fully integrated sensor for measuring tidal conditions. The sensor is designed to be mounted on the Aanderaa SeaGuardII top-end plate or in other measurement systems using the RS-232 interface. The tide measurement is an average of the hydrostatic pressure measured over a time period of 10 seconds to 8 minutes (integration time is configurable by the user). The update interval is between 1 second and 255 minutes.
Mechanics
The Tide sensor output parameters are Tide Pressure, Tide Level, Pressure and Temperature. Tide levels are preliminary, internally calculated estimates based on fixed, user-selectable values of atmospheric pressure and water salinity. Compensation for actual atmospheric pressure and salinity can be post-processed if such data is available. Tide Pressure is an average of hydrostatic pressure over the integration time.
Data Storage
Since all calibration and temperature compensation data are stored inside the sensor, the parameters are, by default, presented directly in engineering units without any external calculation. The sensor also provides raw data on the pressure and temperature measurements.
In The News
Stone Lab: Cyanobacteria Monitoring in Ohio Lakes
Microcystin, one of several toxins produced by the cyanobacteria that form harmful algal blooms (HABs), has become a popular topic of lake research as the human health impacts of HABs become better understood. Stone Lab is one of the leading groups in algal bloom research on Lake Erie and other lakes in Ohio. 
 
For more than 100 years, Stone Lab has conducted biology research and provided science education and outreach to the region. Over the years, thousands of individuals of varying ages have learned from the resources Stone Lab provides. 
 
Stone Lab’s Research Coordinator and Senior Researcher, Justin Chaffin, learned of Stone Lab while an undergraduate student at Bowling Green State University Fireland Campus.
Read MoreFrom Assessment to Angler: Continual Research Ensures Lake Erie Remains a Beacon of Freshwater Fishing
Lake Erie is well known for its abundant recreational fishing. Anglers come from across the country to try their luck at the “walleye capital of the world” and search for other freshwater species, such as bass, perch, and steelhead trout. 
 
 As one of the world’s largest freshwater fisheries, much effort is made behind the scenes to maintain fishing opportunities for visitors to enjoy year after year, efforts that often go unnoticed by the public. 
 
 One of the lake's most important economic and tourism centers is the city of Sandusky, home to the Sandusky Fisheries Research Station . As part of the Ohio Division of Wildlife, the unit serves as a base for assessing fish populations and managing harvest with partner agencies from around Lake Erie.
Read MoreHigh Definition Stream Surveys: Informed Management in Local Waterways
When it comes to environmental monitoring, new stream survey methodologies have revealed a great deal about water quality and streambed conditions over time. Such information can be particularly important in leading restoration initiatives and prioritizing management decisions. 
 
Historically, stream surveys have been conducted at a single point along the stream, with data then extrapolated for miles up and downstream. However, Brett Connell, Hydrologist and Director of Sales at Trutta Environmental Solutions, started developing a more intensive stream survey format in his master's program in 2010 at the University of Tennessee.
Read More