Omega FTB690A Serie Guía De Usuario página 5

3. Install the batteries. Make sure the positive
post is in the correct position.
4. Position the module on the turbine housing.
To avoid moisture damage, make sure the
seal is fully seated. Tighten the four screws
on the front of the module.
Ten feet (3 m) of cable is provided with the
module. Trim the cable to desired length or
extend it as necessary.
Verify Meter Accuracy
Before using, check the meter's accuracy and
verify calibration.
1. Make sure there is no air in the system
by starting the flow until it runs steadily.
Then, stop or divert the flow using a valve
or nozzle.
2. Hold down DISPLAY for 3 seconds to zero
the meter's Batch Total. When zeros appear,
release the button.
3. Meter an exact known volume into an
accurate container. For best results, meter
with one continuous full stream.
4. Check the volume against the display
or recording equipment. If the amount
metered is accurate, field calibration is not
necessary. If not, refer to the Calibration
Section for further instructions.
OPERATION
Computer Display
All operations are reflected in the LCD readout.
The large center digits indicate amounts, where
smaller words or "icons" located above and
below indicate specific information regarding
totals, flow, calibration and units of measure.
Activate the Meter
Computer is on continuously and always ready
to perform. The computer is powered by field
replaceable batteries. When display becomes
dim, faded or the low battery message appears
(see below), the batteries need to be replaced.
Reference the Maintenance Section for details.
Batch and Cumulative Totals
The computer maintains two totals. The Cumu-
lative Total provides continuous measurement
and cannot be manually reset. The Batch Total
can be reset to measure flow during a single
use. The Cumulative Total is labeled TOTAL 1,
Batch Total is labeled TOTAL 2 BATCH.
When the Cumulative Total reaches a display
reading of 999,999 the computer will highlight
an X10 icon. This indicates to the operator that
a zero must be added to the 6 digits shown.
When the next rollover occurs, the computer
will highlight an X100 icon. This indicates to
the operator that two zeros must be added to
the 6 digits shown.
Press the DISPLAY button briefly to switch
between the TOTAL 1, TOTAL 2 BATCH and
FLOWRATE. Press DISPLAY briefly to display
the TOTAL 2 BATCH. Hold the DISPLAY button
for 3 seconds to reset the Batch Total to zero.
When fluid is flowing through the meter, a small
propeller icon is highlighted.
Flowrate Feature
To use this feature, press and release DISPLAY
button until FLOWRATE icon appears. The
factory set time base will be highlighted to the
right of FLOWRATE (M = minutes, H = hours,
D = days). When FLOWRATE is invoked, the
display will be indicating rate of flow.
Factory and Field Calibration
All calibration information is visible to the user
as icons on the top line of the display, above
the numeric digits.
All units are configured with a "factory" calibra-
tion. Both gallons and liters are available ("GL" or
"LT" will be displayed). While holding the CALI-
BRATE button, briefly press DISPLAY to toggle
between gallons and litres. This factory calibra-
tion (indicated with FAC) is permanently program-
med into the computer and is not user adjustable.
NOTE: Your computer may have other units of
measure programmed into it. If so, holding
the CALIBRATE button and momentarily
pressing the DISPLAY button will toggle
through all factory set units. Other pos-
sible units are: IGL (imperial gallon), QT
(quart), CF (cubic feet), CM (cubic meter),
BL (42 gal. barrel), CC (cubic centimeter)
or OZ (ounce).
3