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U30 Analog Inputs

This information is included in the U30 manual. See attachment. Includes hardware.
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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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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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Remote Water Level Monitoring Application (U30)

The combination of the HOBO Remote Monitoring System/GSM and one or two third-party water level sensors with 4-20mA analog outputs provide a solution to remotely monitor water levels and access dat

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Calibrating ECH2O Soil Moisture Sensors Application Note

Onset adds smart sensor adapters to the ECH2O probes so that they are plug‐and‐play compatible with HOBO® U30 stations and HOBO Micro Stations.

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