Inclinometer Position
Transducer
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Product Overview and Features
The Lufkin Automation Inclinometer
position measurement device is an analog input instrument that
measures the angle of the walking beam as it moves.
It transmits the signal relative to this angle (or
“incline”). The
device was originally designed for use in the aircraft industry and is
commonly used to show the angle of the control surfaces such as rudder
or flaps.
The Lufkin Automation Inclinometer is
a tuned circuit with a variable capacitor.
The capacitor is comprised of two flat plates with a dielectric
fluid between them. As
the device tilts the amount of fluid between the plates changes
thereby changing the capacitance.
The changing capacitance changes the frequency of the tuned
circuit. A frequency to
voltage converter stage provides a DC voltage output that is
proportional to the degrees of tilt.
Key Operational Features
The Lufkin Automation Position
Inclinometer is sold in two versions:
1. A magnet mounted independently
installed device which is very simply attached by a magnet to the side
of the walking beam on a pumping unit.
2. An integral inclinometer is
sold within the housing in the “combined” Beam Mounted Load Cell
with Inclinometer, which provides a for a device that does both load
and position measurement and requires only one cable.
Technical
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