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Calibrating S-SMC-M005 and W-SMC Soil Moisture Sensors

The attached application note - Calibration Equations for the S-SMC-M005 Soil Moisture Sensor - details the process for calibrating soil moisture data.

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Wiring Diagram - HOBO RX3000 - Wiring Analog Sensors to the RXMOD-A1 Module

Attached is a diagram that shows how to connect sensors to the optional 4-channel RXMOD-A1 analog input module.

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Wiring Diagram - How to Connect Multiple Sensors to One AC-SENS-1 Power Supply

Attached is a drawing that shows you how to power multiple external sensors with (1) AC-SENS-1 Power Supply.

Please note that the AC-SENS-1 can supply 12VDC to a maximum load of 400mA.

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Sample Data - Smart Rain Gauge Data vs Stand-alone Data Logging Rain Gauge Data

The attached PDF file shows how data from a smart rain gauge (S-RGA-M002 and S-RGB-M002) is depicted versus how it's depicted when recorded with an RG3 or RG3-M stand-alone data logging rain gauge.

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Calibration Equations for the S‐SMC‐M005 and W‐SMC Soil Moisture Sensors Application Note

The ECH2O EC‐5 probe that is used in the S‐SMC‐M005 and W‐SMC soil moisture sensors can be used in a variety of soil and soil‐less media types, some of which require an adjustment to the probe cali

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HOBO RX3000 and the TRMSA-D FlexSmart Module

If you are using both TRMSA-D FlexSmart modules and smart sensors with your HOBO RX3000 station, you are limited to a maximum of three TRMSA-D modules and any combination of smart sensors to reach

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Soil Moisture Worksheet and Guide

Onset’s soil moisture smart sensors use Decagons’ ECA5 and 10HS sensors which are known for providing accurate and reliable results. However, a bad installation can still lead to bad data.

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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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HOBO RX3000 Frost Alarm System

Our new HOBO RX3000 Frost Alarm System makes it easy and affordable for growers to protect their crops from frost while reducing water usage.
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Reference Evapotranspiration (ET) Setup Considerations

Reference Evapotranspiration (ET) Setup Considerations:
  • Channels must be selected from the same HOBO RX30
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