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Periodic calibration check

Both the Pt 100 RTD temperature sensor and associated electronics are very stable and should not require any calibration after the initial factory adjustment.

 

Long term stability of the ROTRONIC Hygromer HT-1 humidity sensor is typically better than 1 %RH per year. For maximum accuracy, calibration of the XD should be verified every 6 to 12 months. Applications where the XD is exposed to significant pollution may require more frequent verifications. Calibration and adjustment of the XD can be done with a PC with the HW5 or HygroSoft software installed.