Assistant Instrument Technician Interview Questions and Answers

To calibrate a pressure transmitter, use a pressure calibrator to apply known pressure values and adjust the transmitter output accordingly.

• Use a pressure calibrator to generate known pressure values

• Connect the pressure calibrator to the pressure transmitter

• Adjust the output of the pressure transmitter based on the known pressure values

• Repeat the process at multiple pressure points to ensure accuracy

• Document the calibration process for record-keeping

Loop checking a transmitter involves verifying the signal output and ensuring it matches the input signal.

• Verify the transmitter is receiving the correct input signal

• Check the transmitter output signal using a loop calibrator or multimeter

• Compare the output signal to the expected value based on the input signal

• Adjust the transmitter if necessary to ensure the output matches the input