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Charging a very low HOBO RX3000 or U30 battery
As mentioned in the HOBO RX3000 and U30 documentation, if the battery voltage is allowed to drop too low, it may not be charged within the logger.
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Sample Data - HOBO U30 Station Compressed Air Flow and Compressor Power Monitoring
Attached is a screenshot from a HOBOware data file from a HOBO U30 Station that recorded compressed air flow in SCFM and compressor power in kW.
Products used were:
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Electric Power Monitoring HOBO Data Loggers
Matt Piantedosi of The Cadmus Group illustrates the steps for safe and successful installation of HOBO data loggers for power and energy monitoring.
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Sample Data - HOBO U30 Station Monitoring Soil Moisture, Leaf Wetness, and Soil Temperature on a Green Roof
Attached is a screenshot from a HOBOware data file recorded by a HOBO U30 Station that recorded soil moisture, leaf wetness, and soil temperature as part of a green roof project.
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Wiring Diagram - HOBO U30 CVIA Voltage Input Logic Switch
Attached is a wiring diagram that shows how to monitor switch closures with a HOBO U30-
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U30 and excitation wiring with S-VIA-CM14 modules
Here is a wiring diagram for use with external sensors and the S-VIA-CM14s. Remember the excitation current required to power the external sensors cannot exceed 50 milliamps total.
http://www.onsetcomp.com/files/U30%20VIA%20and%20S_VIA_CM14.JPG
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Using FlexSmart TRMS Module (2 channels) w/modular plug Sensor (S-FS-TRMSA-D) with HOBO U30 Cellular Data Logger (U30-GSM) Special Note
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Prototype Testing for New Wind Turbines
David Carr is an Assistant Director of the Alternative Energy Institute at West Texas A&M University.
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