orifice meter in a sentence

1. For example, orifice meters create a pressure drop in the measured fluid proportional to the square of the velocity.
2. Orifice meters are a very commonly used type of meter, and because of their widespread use, the characteristics of gas flow through an orifice meter have been closely studied.
3. Orifice meters are a very commonly used type of meter, and because of their widespread use, the characteristics of gas flow through an orifice meter have been closely studied.
4. It's difficult to find orifice meter in a sentence.