Chapter 2. Initial Setup
24 DigitalFlow™ GF868 Startup Guide (1 and 2-Channel)
2.5 Entering System Data for a Channel
Begin programming the SYSTM submenu in either the 1-Channel or 2-Channel section below.
2.5.1 A 1-Channel Meter
For the 1-Channel Model GF868, the information entered in the SYSTM submenu pertains to the global operation of the
flowmeter.
1. At the User Program screen, press the [F2] function key to program the SYSTM submenu.
2. Enter a Site Label of up to 9 characters and press [ENT]. (While taking measurements, the site label will appear on
the locator bar.)
3. Enter a Site Message of up to 21 characters. Press [ENT].
4. To select the System Units, press [F1] to display parameters and measurements in English units, or press [F2] to
display parameters and measurements in Metric units.
5. Use the [F1]-[F4] keys to select the type of Pressure Units desired.
The abbreviations and definitions of all the available pressure units are shown in Table 3 below. The choices shown on
the option bar are determined by the selections made at the previous
SYSTEM UNITS prompt.
a. If you have entered gage pressure, or the local atmospheric pressure (PSIg, BARg or kPag), use the numeric
keys to enter the gage pressure value. Press
[ENT].
6. 6.At the Stopwatch Totalizer prompt, press [F1] to totalize all liquid flow continuously, or [F2] to measure totals
manually with the Stopwatch Timer. (With MNUAL ([F2]), the console key on the keypad is used to start and stop
the totalizer. See the Programming Manual for details.)
The remainder of the SYSTM submenu is identical for the 1-Channel and 2-Channel versions of the Model GF868.
Proceed to the 1- and 2-Channel Meters section to complete the programming of this submenu.
Table 3: Available Pressure Units
English Metric
PSIa = Pounds per square inch absolute BARa = bar absolute
PSIg = Pounds per square inch gage BARg = bar gage
kPaa = kiloPascals absolute
kPag - kiloPascals gage
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