The Brodie BiRotor Plus Positive Displacement meter offers
unsurpassed linearity and repeatability. It is reputed to be the
highest accuracy PD meter in the industry.
The BiRotor Plus meter is insensitive to external influences
from the load rack, such as vibration, pressure changes,
temperature changes and harsh handling by operators.
It is made for rough operation. And it offers the highest
measurement accuracy of any meter in the industry.