Instruction manual

Instruction Manual Smart-Trak
®
50 Series
IM-50 Rev. A.2 6
Definitions Used In This Manual
The following terms are used frequently in this manual. They are presented here with their
definitions for your information.
Setpoint—The command or control signal supplied to a flow controller is called the
setpoint. The controller will maintain the flow at this value.
Full scale—The highest flow that an instrument will measure within its specified
accuracy. It is often possible for an instrument to measure a flow beyond its full scale
(FS) value, but the accuracy of this measurement may be outside of published
specifications.
LFE
—Laminar Flow Element (LFE) or bypass generates pressure drop forcing a small
fraction of the total flow to pass through the sensor capillary tube.