In this vide we are going to look at common instrumentation faults. As an Instrumentation technician a big part of your job is to look into and fix instrument faults. We are going to look at the 6 most common 420 mA loop fault types.

The loop will be a standard Pressure / Temperature / Level or Flow Instrumentation. The loop will terminate into a PLC input card.

Some of the loop issues will involve electrically issues such as high and low loop resistance, component failure, Calibration error.

I will talk about some of the fault finding techniques that you can use out there in different industries on different instrumentation.

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