61
LEVELtrol-II Installation & Operating Instructions
Pulse Output
The pulse output of the LEVELtrol-II is available for remote accumulation of the delivery totals
or batch totals into or out of the tank. The output can be scaled using the Pulse Output Scaling
Constant.
Level Averaging Filter
The level averaging filter is used to stabilize fluctuating level displays. Higher settings provide
more averaging for a more stable display. Derived from the equation:
(OLD DATA x "Avg. Filter" + NEW DATA)
("Avg. Filter" + 1)
Ref. Dens.
Abbreviation for Reference Density. This is the fluid density at reference temperature.
Ref. Temp.
Abbreviation for Reference Temperature. This represents the base or reference condition to
which corrected total will be computed.
Reset/Start Control Input
In a batching system, a single operator activation of the START key or Control Input 1 will reset
the total then start the batch process.
Sensor Location
The distance above the base of the tank at which the sensor is installed.
Stop/Reset Control Input
In a batching system, a single operator activation of the STOP key or Control Input 2 will stop
the batch process then reset the total.
Strapping Table
The LEVELtrol-II uses a Strapping Table which is made up of level/volume values and makes
interpolations of the table to arrive at a volume total amount from a level measurement.
Supervisor Password
The password of the individual user responsible for installation and troubleshooting of the
instrument.
Tank Diameter
The length of the tank.
Tank Length
The diameter of the tank.
Tank Style
The basic shape of the tank.
Unit Label
The text characters which are used to describe the units of volume, mass, temperature and
length.
Usage
A user's selection which assigns a feature to one of a number of optional selections offered.
VFD
Abbreviation for Vacuum Fluorescent Display
Volume Correction Factor
A conversion constant from one volume unit to another.
Volume Total
The measurement of volume of liquid in a container.
12. Glossary Of Terms (Continued)
