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

OTT Contact Gauges for measurements of depth to water, temperature and conductivity

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

OTT Maximum Level Gauge to indecate max water level after flood or tide

Robust ceramic pressure transducer for water level measurement

Pressure probe with conductivity measurement cell

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

Water level and flow gauges for measurement reference