AanderaaOcean Guardian Wave Tide Gauge

The Andra Ocean Guardian tide gauge is a sturdy, durable, and powerful tide recorder developed based on the Ocean Guardian platform. It can be used for self capacitive measurement of tide level and temperature. At the same time, the instrument can also serve as a platform extension to add other measurement parameters such as CTD, ocean currents, dissolved oxygen, and turbidity.

AanderaaOcean Guardian Wave Tide GaugeFEATURES

·High resolution, low drift

·Low maintenance volume

·The measurement interval can be selected between 2 seconds and 2 hours

·Ocean Guardian visualization software

·The sensor is an intelligent sensor that is plug and play

·Optional RS422 communication, real-time XML format data output

·Color touch screen board based on Windows system, no need to connect

·Connecting to a computer allows for easy parameter configuration of the instrument

·Can be used for both seawater and freshwater

The Ocean Guardian tide gauge uses a silicon pressure 5217 probe to measure the static pressure of water bodies. The pressure measurement is obtained through temperature compensation of seawater measurement data using an advanced digital signal processor.

The working mode of the Ocean Guardian tide gauge is fixed installation, or installed on the shallow seabed, or installed on a fixed structure in the water. Its typical applications include measuring waves and tides in ports, shipping meteorological forecasting, climate research, and so on. The measurement of tides is the average value of fluid static pressure over a period of time (10 seconds to 8 minutes, set by the user), with measurement intervals ranging from 2 seconds to 2 hours.

The output parameters of the Ocean Guardian tide gauge are tidal pressure, tide level, pressure, and temperature. The instrument directly calculates tidal level data based on the fixed atmospheric pressure and salinity values selected by the user. If the user has real pressure and salinity data, it can also be corrected through post-processing methods. Tidal pressure is the average static pressure of a water body over a period of time.

Because all temperature compensation and calibration data are stored in the sensor, the instrument defaults to directly outputting engineering data without any external calculations. In addition, the instrument can also provide raw data for temperature and pressure measurements. The output data can be displayed and processed through the Ocean Guardian visualization software.

The Ocean Guardian tide gauge has two battery compartments that can be used for long-term deployment and can be collected in real-time using Andra real-time data acquisition software. The Ocean Guardian tide gauge can be equipped with a conductivity sensor to calculate salinity, density, and sound velocity.