Sensors, Data loggers and Multi-Parameter Probes

Submersible data loggers  and sensors for oceanographic & hydrographic research, environmental monitoring and water quality measurement.

Bridge May



Please contact us to discuss your specific application and requirements. We can advise on a variety of instruments to match your needs and budget. Swale have relationships with many manufacturers from around the world and are well placed to discuss the merits of any particular solution. Whether you are looking for low cost multi-parameter sondes for water quality or rugged high specification instruments to meet WOCE standards. For shallow streams or full ocean depth.

Features available include:

  • Platinum multi-electrode conductivity cell with a choice of anti-fouling methods
  • Optional pump for conductivity sensor
  • Fast response, low drift, platinum resistance thermometer or aged thermistor
  • Fast sampling rate
  • Field calibration capability
  • Plastic or titanium housings
  • Removable internal memory
  • Interface options of wireless, USB, RS-232, RS-485 or FSK on single core cable (up to 10km length)
  • Analogue or digital ports for external instruments
  • Integrated anti-fouling wipers, Chlorinator or UV
  • Control of rosette water samplers
  • Internal or external battery power
  • Physical or threshold switching
  • Time or depth based sampling
  • Burst sampling and averaging
  • Microstructure probes for stratification measurement
  • Cameras

Sensor options can include:

  • Conductivity (Salinity)
  • Temperature
  • Pressure (Depth)
  • Turbidity
  • Chlorophyll-a
  • CDOM
  • Rhodamine
  • Phycocyanine
  • Phycoerithrin
  • Hydrocarbons / oil spill
  • Fluorometer (multi-wavelength)
  • pH
  • ORP / Redox
  • PAR
  • Dissolved Oxygen (Galvanic or fast Optical)
  • Transmissometer
  • Nitrate
  • Nutrients
  • pCO2
  • CH4
  • H2S
  • Tilt & Attitude
  • Tides, Waves and Current