Measurement symbols secondary instruments
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  • Create Date May 19, 2023
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Secondary Instruments

Pressure
Temperature
Thermometer
Pressure gauge
Multiple gauges may be shown as one bubble or one bubble for each section
Gage glass externally mounted on vessel or standpipe
Sight glass
Gage integrally mounted on vessel

  Instrument     Legend     Pressure     Pressure gage     process     Sight glass     Symbol     Temperature     Thermometer  
Self-actuated final control element
Primary Elements