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In the off-hook condition; Tip to ground will be approx. –20 volts
while Ring to ground will be approx. –28 volts or approx. 8 volts
between Tip and Ring. Users in other countries will need to
consult with their local telephone company.
Standard Display
Items that appear on the unit's display are programmable by the user,
however based on the measurement application; units will be shipped
with some default display items. Table 1 is a typical set of default
displays for an AGA-3 application. Engineering units may vary from
those shown if the unit supports the "Selectable Units" feature.
Current Date and Time
24 hour clock
Yesterday's Percent DP Low Limit
Percent time below DP Low Set Point
Yesterday's Percent DP High Limit
Percent time above DP High Set Point
Current Flow Rate
Programmable SCF, MCF or MMCF
Total Accumulated Volume
Programmable SCF, MCF or MMCF
Battery Voltage
Displayed in Volts
Station ID
ID of the box.
Differential Pressure
Inches H2O
Static Pressure Absolute
PSIA
Flowing Temperature
°F
Yesterday's Volume
Programmable SCF, MCF or MMCF
Previous Calculation Period Volume
Device ID
Individual application ID
Charger Voltage
16
Table 1. Standard Display
Description
Standard Display
DATE/TIME
MM/DD/YY HH:MM:SS
Yest DP Low
NN PERCENT
Yest DP High
NN PERCENT
Flow Rate
NNNNNN.N SCF/HR
Total Accum. Volume
NNNNNN.NN MCF
Battery Voltage
NN.N VOLTS
Station ID
Diff. Pressure
NNN.N IN. H2O
Static Pressure
NNN.N PSIA
Temperature
NN.N DEG. F
Yesterday's Volume
NNNN.N MCF
Last Calc. Volume
NNNN.N SCF
Device ID
Charger
NN.N VOLTS
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