ClearSat-15™ drifters follow the surface layer lying at depths from 10 to 50 meters. This series complies with the specifications of the WOCE/SVP surface-layer drifter. Clearwater Instrumentation offers the ClearSat-15™ in confugurations including Argos or Argos and GPS equipment.
Argos/GPS [Brochure]     [Manual (Adobe Acrobat PDF File)]
Argos-only [Brochure]     [ Manual]

ClearSat-ADOS is Clearwater's Autonomous Drifting Ocean Station . ADOS, our newest drifter, is a low-cost platform for gathering an enhanced data suite that will be essential for integrating present and future satellite measurements of biological and physical processes with in situ observations. ClearSat-ADOS features a novel biological irradiance sensor system and a novel thermistor data-chain for Lagrangian drifters used successfully in WOCE. These new sensors will be integrated with existing wind, barometer and SST sensors.
ClearSat-ADOS [Brochure]
The surface layer thermistor string is available in the ClearSat-STS.
ClearSat-STS [Brochure]

ClearSat-OCD is an Ocean Color Drifter measuring SeaWiFS irradiance and upwelling light. Three separate three-element light sensors are enclosed in separate housings covered by caps which are removed automatically after predetermined intervals. Light sensors unaffected by marine growth are then exposed to permit comparison of results on "fresh" and seawater-exposed traducers. ClearSat-OCD also are available with la single sensor housing all seven SeWiFS upwelling light frequencies.

ClearSat Marker buoys tag your equipment at the ocean surface and assist you in relocating equipment anywhere in the world. The ClearSat™ Marker Buoy also comes in Argos™-only and Argos™/GPS versions.
Argos/GPS[Brochure]     [Manual]
Argos-only [Brochure]     [Manual]

The ClearSat-1™ and -15™ drifters can be fitted with a variety of sensors for more demanding oceanographic and meteorological applications. Clearwater routinely offers sensor packages to measure sea surface temperature, sea surface conductivity, barometric pressure, and incident and upwelling light.

All of our instruments can include a 12-channel Rockwell GPS receiver (EOW and Y2K compliant) to provide accurate, on-demand locations. Using the latest GPS technology means that time to first fix is usually less than three minutes worldwide, subsequent fixes are obtained in 30 seconds, location accuracy is the best available, and that satellite occultation is minimal. The built-in NMEA one-second commercial messages can be made available to carry information from other sensors on the drifters.