==== Vaisala HMP45AC Temperature and Humidity Probe ==== * Manufacturer: Vaisala * Serial Number: Z3610163, D4810007, B3230031 * Model Number: HMP45AC * Tag Number: M80154, M124825, M94514 * Date Installed: June 23, 2020, ..., ... * Date Calibrated: January 2020, July 2020, July 2020 * Due for Calibration: September 2022, March 2023, March 2023 * [[https://biogeodb.stri.si.edu/physical_monitoring/downloads/hmp45c.pdf|User Manual]] * [[https://www.campbellsci.com/hmp45c-l|Data Sheet]] * Wire Colors * Red - Power * Black - Power Ground * White - Signal Ground * Yellow - Temperature Signal * Blue - Humidity Signal * Green - [Needs to be updated] * Clear/No plastic covering - Shield Wire {{:atmos:meteorological_observations_trailer:temprh1.jpg?nolink&400|}} {{:atmos:meteorological_observations_trailer:temprh2.jpg?nolink&400|}} {{:atmos:meteorological_observations_trailer:img_8311.jpg?nolink&400|}} {{:atmos:meteorological_observations_trailer:hmp45c.png?nolink&600|}} {{:wiki:screenshot_2025-11-24_203836.png?400|}} [[http://wiki.atmos.und.edu/doku.php?id=atmos:meteorological_observations_trailer:instrumentation|Meteorological Observations Trailers Instruments]]