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Flood Warning

While some areas are more prone to flooding than others, the establishment of early warning systems near every major river or water body provides important information that helps protect property and lives. Of course, the most effective flood warning systems go beyond the installation of sensors and telemetry equipment. They are selected and maintained by qualified personnel and use carefully designed procedures to predict floods, including timing and severity.

An effective flood warning system should be based on the regular recording of local precipitation, water level and runoff data. This can be done by routine monitoring, through local visits of the measuring points. However, a real-time monitoring system with telemetry can make data collection much easier - and in many cases more cost-effective. At the same time, such solutions enable the fastest possible response through local emergency authorities in the case of a flood event.

OTT water level sensors and continuous flow sensors, paired with telemetry technology and OTT Hydrosystems are able to measure, collect, and transmit water level and velocity data in real-time to determine the peak level or flow during flood events, and alert local water and emergency authorities if a certain threshold is breached.


ecoLog 1000: self-contained groundwater level logger for measuring water level and temperature with integrated mobile communication

OTT ecoLog 1000 Water Level Logger

Self-contained, robust surface and groundwater level logger for measuring water level, temperature, and conductivity.

The OTT ecoLog 1000 is a self-contained groundwater level logger for measuring water level, temperature, and conductivity, providing reliable and accurate data with integrated mobile communication.

  • Surface water Groundwater
  • Vented pressure cell
  • Water level/pressure, water temperature, conductivity (optional)
  • Integrated cellular modem (4G / 2G) EU-MEA or IoT LTE-M (CAT M1), Bluetooth Low Energy (BLE), operation via APP, Lithium Powerpack with plug, exact battery level indicator, service life > 10 years, IP data transmission, cable can be shortened on site
  • 0 … 4, 10, 20, 40, and 100 m
  • ± 0.05 % FS
  • Yes
Longterm monitoring of conductivity, temperature and water level

OTT ecoLog 800 Water Level Logger

Groundwater level and conductivity sensor with built-in datalogger and telemetry

The OTT ecoLog 800 is a self-contained system for measurement of water level, temperature, and conductivity in groundwater and surface water applications.

  • Surface water Groundwater
  • Vented pressure cell and 4-electrode graphite conductivity cell
  • Waterlevel/Pressure, Water temperature, Conductivity
  • Measures, stores, and transmits water level and temperature data
  • 0 … 4, 10, 20, 40, and 100 m
  • ± 0.05% FS
  • Yes
water level radar sensor for surface water applications

OTT RLS - Radar Level Sensor

Non-contact water level sensor for long term surface water measurements

The OTT RLS is a non-contact radar level sensor with pulse radar technology that is ideal for monitoring in remote or hard to reach locations.

  • Surface water
  • Water level / distance to water
  • Non-contact pulse radar
  • Measures water level or depth to water from a bridge, pier or mounting arm
  • 0.4 … 35 m
  • 0.8 … 2 m: ± 10 mm; 2 … 30 m: ± 3 mm; 30 … 35 m: ± 10 mm
  • No
  • SDI-12, RS-485 (using SDI-12), or 4 ...20 mA
Non-contact bubbler in water level sensor for surface water monitoring

OTT CBS - Compact Bubbler Sensor

Non-contact, bubbler sensor for longterm surface water level monitoring

The OTT CBS is a compact, accurate, and low power bubbler sensor for surface or groundwater level monitoring.

  • Surface water Groundwater
  • Bubbler-in
  • Drift-free water level measurement - no pressure sensor or electronics in the water
  • 0 to 15 m or 0 to 30 m
  • ± 3 mm (high accuracy version); ± 5 mm (standard and 30 meter versions)
  • No
  • SDI-12, RS-485 (using SDI-12), or 4 ...20 mA
High accuracy precipitation gauge in harsh weather conditions

OTT Pluvio² - Weighing Rain Gauge

All-weather, high accuracy rain gauge for continuous data collection

The OTT Pluvio² is an all-weather precipitation gauge that uses superior weight-based technology to measure the amount and intensity of rain, snow, and hail.

  • Cumulative precipitation, precipitation intensity, bucket content in real time and non real time
  • Weighing principle
  • All-weather precipitation gauge without moving parts according to WMO guide line No. 8
  • SDI-12 / RS-485, pulse
Hydrological Station - Gauging Station OTT HydroSystems

OTT HydroSystems

Complete hydrological gauging stations with telemetry

OTT HydroSystems allow hydrological measuring stations to be set up using only a few manual operations. The completely fitted system cabinets include components for power supply and everything that is needed for storing and transmitting measured data.

  • Turn-key solutions for stand-alone measuring stations
  • Gauging station, Pole mount
  • Battery, Solar
  • Cellular, Satellite (GOES/Meteosat)
Data Cloud service - Data Management- Enrironmental Data

OTT Hydromet Cloud

Streamlined Data Management Across All Devices

Hydromet Cloud provides secure real-time data access from almost anywhere in the world via and the Hydromet Cloud Mobile App

  • Hydrology, Meteorology
  • Web interface, iOS and Android Mobile Apps
  • Web-based data management and alerts, available across all mobile devices!
Fixed installation of water flow sensor

OTT SLD - Side Looking Doppler Sensor

Water flow meter for longterm data collection of velocity and discharge measurements

The OTT SLD uses acoustic Doppler technology for continuous measurement of water velocity and level in streams, rivers, and canals.

  • Fixed installation
  • Acoustic
  • Flow velocity
  • Side-Looking-Doppler for continuous discharge measurement in rivers and open channels. Discharge calculation based on velocity - index - method. Integrated vessel filter algorithm, Modbus interface and output of total volume of flow (max. interval 1 day).
  • ± 10 m/s
  • ± 1 % of measured value ± 0.5 cm/s
OTT RLS Overview Video
Video - Adcon Smart Wireless Systems - EN
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