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Progress in Earth and Planetary Science
Fig. 5 | Progress in Earth and Planetary Science

Fig. 5

From: New method of temperature and conductivity sensor calibration with improved efficiency for screening SBE41 CTD on Argo floats

Fig. 5

a SBE41 sensor unit. Conductivity and temperature sensors are surrounded by a black plastic cover. In J-Calibration, inside of the cover, a cushioning material wraps around the sensors as an adiabatic material. b In addition to a, another adiabatic material covers the outside of the plastic cover. This double covering material effectively maintains the stability of temperature measurements using SBE41 sensors. c SBE3 and 4 standard sensors. A tube connecting the tank to the standard sensor is wound around the sensors. d In addition to c, cooling packs are attached to SBE3 and 4. The cooling packs can be easily obtained from any supermarket in Japan. e Vinyl greenhouse covering floats

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