Delta-T SM150T User Manual
Also see for SM150T: Quick start guide
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Contents
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SM150T User Manual 1.0 Operation 21Logger GroundingSub-optimal grounding of a DC power supply and its cabling to a logger cancause currents in the screen of the cable connected to a soil moisture sensor,and so cause corrosion at the M12 connector of the SM150T. In addition, ifused in an electrically noisy environment - such as a farm or greenhouse -then the presence of a ground loop can permit AC signals to inject noise andso disrupt readings.To minimise sensor cable-screen currents that can result from the DC powersupply unit and its cabling to the logger, earth the logger using a 1m longcopper-clad earth stake.Figure 1 Showing the use of a 1m long copper-clad earth rod connected to a GP1logger earth |
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