Apogee Instruments SF-110 Посібник користувача - Сторінка 14
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Друкувати сторінкуMAINTENANCE AND RECALIBRATION
Apogee SF-110 radiation frost detectors are weatherproof and are designed to be continuously deployed in
outdoor conditions. When detectors are not is use, it is recommended that they be removed from the
measurement environment, cleaned, and stored. SF-110 detectors deployed in the field should be periodically
cleaned to remove all dust and debris.
The thermistor in SF-110 detectors is not factory calibrated, but it comes with a generic calibration (see Steinhart-
Hart coefficients in OPERATION AND MEASUREMENT section). A custom calibration can be derived by comparing
the temperature from the simulated leaf thermistor to a reference temperature measurement. Often, a simple
offset can be used to make the measured temperature match the reference temperature.