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OTT Products

Measuring instruments for water level, discharge, precipitation and water quality measurement as well as complementary data loggers, operating and reading units and solutions for communication and data processing


Discharge


Measuring instruments for discharge and flow velocity measurement. Here you will find the instruments and systems for measurement of flow velocity and discharge calculation. Either for continuous or spot measurements, we offer the suitable solution for your tasks.
Continuous measurement

The OTT SLD is an acoustic Doppler sensor system for continuous monitoring of flow velocity and water level (optional) in rivers and channels. The system guarantees reliable velocity measurements even in a flood situation with high sediment loads.


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Sonicflow is an ultrasonic measuring system designed for continuous measurement ofthe flow velocity "v" in open flowing waters.


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Spot measurement

The OTT Qliner Doppler device measures flow (discharge) in rivers and channels. It gives accurate and detailed information about the river flow and delivers results quickly and savely.


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The OTT ADC (Portable Acoustic Digital Current Meter) is designed for point velocity measurements in natural streams, rivers, creeks and open channels. Using the latest acoustic measuring principles and combined with a high end signal processor the instrument provides accurate and reliable data.


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The C2 Small Current Meter is used for measurement of flow velocity at low water levels, e.g. in laboratories, river models, small canals, falajs, outfall ditches, etc.


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The original C31 OTT Current Meters set the standard for flow measurement in rivers, open canals, etc. and without them hydrometry is not imaginable.


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The Nautilus C 2000 Electromagnetic Flow Sensor is designed for the portable measurement of very low flow velocities from 0.000 m/s up to 2.5 m/s (standard - other ranges upon request).


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Water Level

Sensors and measuring systems for water level measurement. Either for ground- or surface water, we offer the optimized solution for your measuring tasks, being able to use different kinds of measuring principles.

Surface water

The Kalesto Radar Sensor is designed for continuous unattended monitoring of surface water level. Compared with conventional level measuring systems (pressure probes, float operated or ultrasonic systems) the installation and handling of a Radar Sensor is remarkably cost- and time-effective.


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The OTT Nimbus Bubble Sensor is designed for continuous monitoring of surface water level. it can be used as a stand-alone sensor card with an integrated single channel data logger or in combination with external multi-channel data loggers (different makes).


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The OTT CBS uses the drift-free measuring principle and covers measurement range of up to 30 m. An integrated compact piston pump produces the necessary bubbling pressure for the indirect measuring principle.


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The new Radar Sensor OTT RLS for an energy-efficient non-contact water level measurement at surface waters. The new radar sensor is made for the operation at autarkic hydrologic measurement stations: It is flexible and efficient due to its very low power consumption.

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The float-operated Thalimedes Shaft Encoder with integral data logger is designed for continuous, unattended monitoring of water level in ground- and surface water.


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The float-operated Shaft Encoder SE 200 was developed based on the technology of the well-known Thalimedes. The SE 200 is designed for continuous water level measurement.


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PLS is Robust ceramic pressure probe OTT PLS for precise and reliable measurement of water levels in ground- and surface waters.


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Ground water

The groundwater data logger OTT Orpheus Mini – based on a pressure probe – has been designed for the reliable monitoring and storage of water level and temperature for the water management. The main application of OTT Orpheus Mini is the installation in groundwater pipes and wells. In addition, the application in open waters and tanks is possible.


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The OTT CTD is a professional data logger that measures water level, temperature and conductivity. Furthermore, it can also output the salinity and the total dissolved solids (TDS). The CTD saves all measurements in the integrated 4MB non-volatile ring buffer (approx. 500,000 values).


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OTT KL 010 / KL 010-TM

Contact Gauge KL 010 Quick, simple and economic measurement of ground water level (distance to water) .

Contact Gauge KL 010-TM

Same features as KL 010 but with additional temperature sensor.


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Precipitation

Innovative products for the quantification and qualification of precipitation


It does not matter whether it is drizzle, sleet, hail or snow, OTT Pluvio2 reliably and accurately measures both, the amount and the intensity of liquid, solid, and mixed precipitation.


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Parsivel is a modern laser-based optical system for the complete and reliable measurement of all kinds of precipitation. The precipitation particles are differentiated and classified as drizzle, rain, sleet, hail, snow or mixed precipitation. For the precipitation measurements a special sensor head was developed.


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Operating / Reading Unit

Reading and operating units should be easy-to-handle and robust for the application in the field. According to your wishes we offer small Pocket PCs or all-weather suitable reading units with single hand operating concept.


Hydras Pocket PC Small, light-weight and easy to handle -- that's how a data reading unit must be!

We offer you all this in one package with our latest software developement "OTT Hydras 3 Pocket" in combination with a Pocket PC, with the full flexibility and functionality of these small devices.


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Vota 2, the rugged alternative to a notebook or palmtop, carries out a vast array of functions in the fields of acquisition, data readout, configuration and management as well as evaluation of measured values.


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