PT Loop Diagram Faults
Determine whether or not the following pressure transmitter (PT) loop diagram faults for this air pressure regulating system.
Fisher model 546 I/P transducer
Suppose this Fisher model 546 I/P transducer has an input range of 4-20 mA and an output range of 3-15 PSI.
Re-calibrate the Foxboro DP Pneumatic Transmitter
Re-calibrate the Foxboro model 13 DP pneumatic transmitter to a new range of 0 to 180 inches water column.
DP Transmitter Problem
Suppose we encounter a problem with a differential pressure (DP) transmitter used to measure the pressure drop across a heat exchanger.
Fire and Safety
Learn the basics of fire and safety, fire extinguisher, fire fighting hydrant, breathing valve, Fire monitor & engine, and flame arrester.
Identify Faults in PID Control Loop
Determine the control loop faults by careful observation of the PID controller’s faceplate display (PV, SP, and Output values).
Upgrading the Electrical System in an Automobile
A mechanic has an idea for upgrading the electrical system in an automobile originally designed for 6-volt operation.
Transmitter Proof Testing
The purpose of proof testing is to detect the failures within the transmitter that are not detected by the regular diagnostics.
Calibration of Measuring Instruments – Significance, Costs & Risks
Learn the calibration of measuring instruments’ significance, costs, and risks involved in your industrial business.
Pressure Switch Questions
Find out the pressure switch needs to be normally-open (NC) or normally-closed (NC) shown in the questions.