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U30 Analog Inputs
This information is included in the U30 manual. See attachment.
Includes hardware.
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RX3000 & U30 Networking, Firewall Problems
Network firewall difficulty:
The network interface controller (NIC) in the HOBO RX3000 and U30-ETH and WIF will attempt to make a connection to the numerical IP address 208.85.146.151:54328 every "Readout Interval." Your firewall must allow the logger to connect to this IP address, and must also allow the MAC address of the logger NIC.
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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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Judd Communications Snow Depth Sensor with the U30 Remote Monitoring Station
Check out the attached PDF to find out how to use the Judd Communications Snow-Depth Sensor with the HOBO® U30 Station.
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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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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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