FlowLine DataView LI55 Instruction Manual page 81

DataView™ LI55 Level Controller
Square Root Linearization ( SquArE )
The square root function can be used to linearize the signal from a differential
pressure transmitter and display flow rate in engineering units.
Programmable Exponent Linearization ( ProG E )
The programmable exponent can be used to linearize the signal from level
transmitters in open-channel flow applications using weirs and flumes.
Multi-Point Linearization ( LinEAr )
Meters are set up at the factory for linear function with 2-point linearization. Up to
32 linearization points can be selected for PV1 under the linear function. The
multi-point linearization can be used to linearize the display for non-linear signals
such as those from level transmitters used to measure volume in odd-shaped
tanks or to convert level to flow using weirs and flumes with complex exponent.
If the dual-scale level feature has been selected, the menus for PV1 & PV2 are
enabled. PV2 can be programmed with up to 8 linearization points.
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