The Sea-Bird Scientific digital ocean thermometer features an ultra-stable platinum thermistor and state-of-the-art calibration. As on the NATO Research Vessel Alliance, the SBE 38 can be integrated as a remote sensor with an SBE 45 Micro-Thermosalinograph to provide accurate sea surface temperature, conductivity and salinity measurements. Initial accuracy +/- 0.001 °C, resolution 0.00025 °C.