Primary Elements
Measurement symbols - primary elements
Bubble may be omitted if connected to another instrument.
Strain gauge or other electronic type sensor.
May be through top of vessel.
Guide wires may be omitted.
Location of readout should be noted, at grade, at top, or accessible from a ladder.
Float with guide wires.
May be installed without stilling well.
May be installed through side of vessel.
Dip tube or other primary element and stilling well.
Primary Elements
Measurement symbols - primary elements
Bubble may be omitted if connected to another instrument.
Strain gauge or other electronic type sensor.
May be through top of vessel.
Guide wires may be omitted.
Location of readout should be noted, at grade, at top, or accessible from a ladder.
Float with guide wires.
May be installed without stilling well.
May be installed through side of vessel.
Dip tube or other primary element and stilling well.