Instrument: Sea-Bird SBE-3 Temperature Sensor
The SBE-3 is a slow response, frequency output temperature sensor manufactured by Sea-Bird Electronics, Inc. (Bellevue, Washington, USA). It has an initial accuracy of +/- 0.001 degrees Celsius with a stability of +/- 0.002 degrees Celsius per year and measures seawater temperature in the range of -5.0 to +35 degrees Celsius. more information from Sea-Bird Electronics
Calibration Page of the primary sensor with model and serial numbers.
Calibration Page of the secondary sensor with model and serial numbers.