Level Measuring Devices Flashcards
___ is taken directly from the liquid level of the tank or vessel.
Direct level
A ___ is glass or plastic tube connected at high and low points of the tank so that the level in the tube is equal to level in the tank.
Tubular sight glass
Which of the following devices use buoyant force on a cylinder to measure liquid level?
Displacer
Level is determined ___ when using a bubbler type sensor.
By measuring air pressure in a dip tube
Level is determined ___ when using a bubbler type sensor
By measuring air pressure in a dip tube
A ___ uses gamma radiation to detect the presence of a liquid.
Nuclear device
What type of site glass is designed with a reinforced metal body and thick glass so it used in pressure situations?
Flat glass gauge
___ Is taken directly from the liquid level of the tank vessel.
Direct level
All of the following instruments provide continuous level measurement EXCEPT:
– Bubbler
– displacer
– float switch
– sight glass
Float switch
Which type of detector is capable of reading level without coming into contact with the liquid in the tank?
– Reflects gauge glass
X magnetic level indicator
– ultrasonic sensor
– tubular site glass
Ultrasonic sensor?
A ____ is a glass or plastic tube connected at high and low points of the tank so that the level in the tube is equal to level in the tank.
Tubular sight glass
When measuring level in a pressurized tank, _____ is used to compare pressure at the top of the tank to the pressure at the bottom of the tank.
D/p cell
This device uses buoyant force on a cylinder to measure liquid level ____.
Displacer
What gas is typically used to pressurize the dip tube in a bubbler type of sensor?
Air
When using capacitance probe, the fluid in the tank acts as the___.
Dielectric
