Precision Digital PD650 - Manual (Page 44)

Model PD650 Large Display Process Meter Instruction Manual
44
Set Rate Time Base (t baSE)
To act as a totalizer, the meter must be programmed with the same time base as
the flow transmitter. The time base is the time units in which the rate is displayed.
For example, if the rate is in gallons per hour then the time base must be set to
kour.
To set the time base
Press ENTER, then press it again when the
time base (t basE) function appears.
T base
The different units of time will scroll: minute, hour, day, and
second. Press ENTER when the required unit is displayed. min
or
Hour
or
Day
or
seC
Set Totalizer Conversion Factor (tot CF)
The totalizer conversion factor is a number that is multiplied by the rate to
compute the total. For example, if the rate display is gallons per hour and total is
desired in barrels, (1 gallon = 0.02381 barrels) a total conversion factor of
0.02381 should be used. If the rate display is gallons per hour and total is desired
in gallons, a factor of 1 should be used.
The conversion factor has a selectable decimal point. Because the decimal point
is mathematically significant, values such as 1.0000, 1.0, and 1 produce identical
results. However, values such as 1.1111, 1.1, and 1 produce different results.
The decimal point should be set so as to produce the best resolution for the
application. The maximum value for the totalizer conversion factor depends upon
the decimal point selection.
Number of Decimal Places Maximum Conversion Factor
0 59999
1 5999.9
2 599.99
3 59.999
4 5.9999
5 0.59999