SeaGuard WLR

The Andra Marine Guard WLR is a rugged and powerful tide level recorder developed based on the Marine Guard platform.It can be used for self-confidence measurement of tide level and temperature.At the same time, the instrument can also be used as a pla...

SeaGuard RCM

The Marine Guardian RCM aerial meter series is a new generation of aerial meter developed based on the Marine Guardian data recording platform and the ZPulse Doppler current sensor.Modern computer technology combined with advanced digital signal proces...

SeaGuard String Observation Chain - SeaGuard String

The Marine Guardian Observation Chain is an overall solution for underwater multi-parameter long-term observation, with measurement parameters including dissolved oxygen, conductivity (salinity), temperature, current, pressure (depth), tides, etc.It in...

SeaGuard O2 recorder——SeaGuard O2

Andra Ocean Guard O2 Recorder is a rugged and powerful O2 Recorder developed based on the Ocean Guard platform.It can be used for self-contained measurement of O2 concentration.At the same time, the instrument can also be used as a platform to expand t...

Dissolved oxygen sensor 4531

Features:·Principle of optical fluorescence quenching based on life cycle·Long-term stability·No calibration required for more than one year·Small maintenance·Intelligent sensor, directly output calibration data·Can be used separately·Output format: 4~...

Data acquisition unit—SMARTGUARD

SmartGuard is a new generation of digital harvesters produced by Andra Company. Its products are suitable for the environments of oceans, lakes, reservoirs, estuaries and hydrological observation stations.Ideal for independent monitoring sites powered ...