Groundwater
Measuring groundwater level or depth-to-water is critically important for identifying long term trends, including declining water levels, saltwater intrusion, seasonal variations, aquifer recharge, artificial aquifer storage and recovery, and level status for drinking water. Receiving groundwater data via remote data transmission from one of the many OTT telemetry options available saves time and resources spent in the field.
Certain Hydrolab multiparameter instrumentation is also compact enough to fit in groundwater to measure groundwater quality in detail.
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
OTT ecoLog 500 Water Level Logger
Water level sensor with built-in datalogger for surface and groundwater applications
The OTT ecoLOG 500 is a self-contained water level instrument offering flexible remote data options and unequaled performance for the price.
- Surface water Groundwater
- Vented pressure cell
- Waterlevel/Pressure, Water temperature
- Measures, stores, and transmits water level and temperature data
- ± 0.05% FS
- Yes
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
OTT PLS - Pressure Level Sensor
Robust ceramic pressure transducer for water level measurement
The OTT PLS, SDI-12 or 4 ... 20 mA pressure probe, measures water level, depth to water, or pressure using an integrated controller and ceramic pressure-measuring cell.
- Surface water Groundwater
- Vented pressure cell
- Water level, Pressure, Temperature
- Water level and temperature measurement - for use with external data logger
- 0 … 4, 10, 20, 40, and 100 m
- ± 0.05% FS
- No
- SDI-12, RS-485 (using SDI-12), or 4 … 20 mA
OTT PLS-C
Pressure probe with conductivity measurement cell
The OTT PLS-C measures water conductivity, level, and temperature in both surface and groundwater applications via a robust ceramic pressure cell and 4-electrode conductivity cell.
- Surface water Groundwater
- Vented pressure cell and 4-electrode graphite conductivity cell
- Water level, Pressure, Conductivity, Temperature
- Water level, temperature, and conductivity measurement - for use with external data logger
- No
- SDI-12 or RS-485 (using SDI-12)
OTT Contact Gauges
OTT Contact Gauges for measurements of depth to water, temperature and conductivity
OTT Contact Gauges are essential for manual water level measurements in groundwater. For measuring depth to water, temperature, and conductivity – depending on the variant.
- Measuring tape lengths KL010: 15 ... 750 m; KL010 TM: 25 ... 500 m; KL010 TCM 30 ... 500 m
- Groundwater
- Contact gauge
- Water level / Distance to water, Temperature, Conductivity
- Manual water level, temperature and/or conductivity measurement
Hydrolab HL4 Multiparameter Sonde
New Hydrolab Platform: Reliability, Ease-of-use, Metadata
The Hydrolab HL4 is the next generation multiparameter water quality sonde from OTT Hydromet. Its reliability, ease-of-use, and metadata produce water quality data you can trust.
- Attended Unattended
- Temperature, Conductivity, Depth, pH, Dissolved Oxygen (LDO), Turbidity, ORP, Clorophyll a, Blue-green algae, Rhodamine, Ammonium, Nitrate, Chloride
- The next generation multiparameter water quality instrument
- SDI-12, RS-485, RS-232, TTY, USB
OTT Water Quality Buoy
Buoy used to measure water quality parameters
OTT Water Quality monitoring buoy with remote data transmission for rivers, lakes and near coastal applications. Designed to operate with HYDROLAB HL7 or HL4 multiparameter sondes.
- Stand-alone water quality measurement buoy solution
- Temperature, Conductivity, Depth, pH, Dissolved Oxygen (LDO), Turbidity, ORP, Blue-Green Algae, Chlorophyll a
- Cellular
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