Helios Large Display Strain Gauge Meter Instruction Manual
PD2-6100
52
Signal Input Conditioning (
Functn
)
The
Function
menu is used to select the signal input conditioner
applied to the input: linear, square root, programmable exponent, or round
horizontal tank volume calculation. The multi-point linearization is part of the linear
function selection.
Meters are set up at the factory for linear function with 2-point linearization. The
linear function provides a display that is linear with respect to the input signal.
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.
Auto-Zero (
Auto 0
)
Auto-zero corrects for drift that can occur over time that causes the input signal to slowly change. The
meter will continue to read zero despite slow and small changes to the input signal. The auto-zero value
represents the percent of full scale drift that the meter will correct.
Under normal circumstances, when the signal increases quickly, by an amount greater than the auto-zero
percent of full scale, the value will not be adjusted for. Slow signal changes that occur over time at
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