Instrument Calibration Lab Exercise
Calibrate the instrument (“trim” both the sensor and the output) to ensure it interprets pressure accurately and outputs a 4-20 mA current.
A Series of False Pressure Alarms
An operator reports a series of false pressure alarms reported by pressure indicating controller or recorder every few minutes.
Pressure Transmitter Re-Range Questions
If a smart (digital) pressure transmitter configured with re-range then does it need to be re-trimmed as well?
Identify the Pressure Gauge Error
An operator claims pressure gauge is defective and needs to be replaced. The pressure controller and gauge readings are different.
Steam Eductor Question
A steam eductor is a device used to create a vacuum, by passing steam through a “venturi” tube.
Identify Problem with Oily Water Filter Instrumentation
An operator reports a problem with the oily water filter instrumentation in this process. The PDIR and PG indicate different readings.
Determine Lifting of Shaft using Proximity Sensor
The use of proximity sensor beyond the relative vibration measurement, which is to determine the lifting of the turbine or compressor shaft.
PLC Programming Question & Answer
Question & Answer - A PLC has been programming to control the starting and stopping of a three-phase electric motor.
Calibration and Troubleshooting of Oxygen Analyzer
Learn how to do Zero and Span Calibration and Troubleshooting of Oxygen Analyzer used in the industries.
Pressure Gauge Accessories
The following are the Pressure Gauge Accessories - Snubber, Pigtail, and U Syphon, Gauge Saver, Adaptor, and Union.
