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Below you will find overview graphs as well as graphs zoomed into specific regions. Please, use zoomed graphs for more accurate calibrations.
These calibrations were obtained by EK in February of 2024 for after the probe 0557 was returned from repair by Bruker. The original data are from EK442.Stepan_400.Temp_Calibration.0557_after_repair/.
Stepan 400/0557: Overview
Black points: calibration data
Red line: reference 1:1 line to guide an eye
Stepan 400/0557: High-temperature branch
Stepan 400/0557: High-temperature no-trust region
Do NOT set: VTU = 330.0 to 331.0 corresponding to a "dead region" of inaccessible T (real) = 333.0 K to 338.2 K
Stepan 400/0557: Moderate region (including no-trust regions and zoomed center)
Black points: calibration data
Red line: reference 1:1 line to guide an eye
Stepan 400/0557: low-temperature no-trust region
Do NOT set VTU between 278.0 to 279.0: corresponding to a "dead region" of inaccessible T (real) = 273.5 K to 276.7K
Black points: calibration data
Red line: reference 1:1 line to guide an eye
Stepan 400/0557: Low-temperature branch and extrapolation graph
Black points: calibration data
Red line: reference 1:1 line to guide an eyeFull data range graph
NOTE: the lowest point of the range is temperature when methanol standard freezes in the probe and can no longer be detected.
Extrapolation to the ultra-low region
Linear extrapolation to the probe lower limit (-150C)
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