Varec 4000 User Manual

Page 74

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Tank Gauge Transmitter

64

Installation and Operations Manual

DBAND
Deadband.

ft-in-16
Feet-inches-1/16 of an inch. Imperial fractional measurement.

oF
Fahrenheit. A unit of measure for temperature readings. 0

o

C = 32

o

F. A temperature of 32

o

F is the freezing point of

water, 212

o

F is the boiling point of water.

Host
A tank data acquisition system responsible for collecting and processing information from a number of subordinate

devices.

IEEE
Institute of Electrical and Electronic Engineers. A trade organization that provides publications, educational

information, and standards that are widely used.

IEEE 754
A floating point data format.

oK
Kelvin. A unit of measure for temperature readings typically applied to the measurement of liquefied gases. 0

o

C =

273.16

o

K. The freezing point of water is 273.16 oK, the boiling point is 373.16 oK.

Level Dband
Level Deadband. The band that a level alarm must clear before the alarm is reset.

Level
Level of product in a tank.

Manual Temp
A product temperature specified and entered by the user instead of being obtained from a sensor.

MHz
Megahertz, also called megacycles. One million electronic cycles per second, a unit of electronic frequency.

Parity
A setup parameter used with serial data communications.

RTD
Resistive Temperature Device. A metal probe used to measure temperature.

Serial Ports
A hardware interface used for serial data communications.

Stop Bits
A setup parameter for serial data communication.

Temp Dband
Temperature Deadband. The band that a temperature alarm must clear before the alarm is reset.

Temp
Temperature.

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