5. Start your pumping system so that fluid
flows through the meter. The display
will stop blinking and show the "run 01"
message. Dispense into a container
that allows you to judge the amount of
fluid pumped. When you have pumped
the desired amount (for example, 10
gallons), stop the fluid flow quickly.
NOTE: When the computer displays a non-
blinking "run 01" message, it is sens-
ing fluid flow. For accurate results, dis-
pense at a flowrate which best simu-
lates your actual operating conditions.
Avoid "dribbling" more fluid or repeat-
edly starting and stopping the flow –
these actions will result in less accu-
rate calibrations.
6. Once the flow has stopped, briefly
press and release both buttons. At this
point the computer display will change
to"0000.00" with the left-hand digit
blinking.
NOTE: When the display shows "0000.00"
the computer has stopped "watching"
for fluid flow and is now waiting for you
to enter some numbers.
7. Enter the volume (amount) of fluid that
you dispensed (for example, if your 10-
gallon container is full, enter "10.0" for
gallons or "37.5" for litres). To enter
numbers, use the CALIBRATE button
to change the value of the digit that is
blinking and use the DISPLAY button
to shift the "blink" to the next digit.
8. Once the correct number has been
entered, briefly press and release both
buttons. The display will change to a
blinking "run 02" message.
NOTE: You have installed the new cal-
curve point. You are ready to end cali-
bration (Step 10) or enter another new
calibration point (Step 9).
9. To enter another calibration point, go
back and repeat Steps 3 through 8.
NOTE: It is possible to set up to 15 cal-
curve points, and the "run ##" message
will increment each time you repeat the
calibration process (run 01, run 02, run
03, etc., up to run 15).
4
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10. To end calibration, press and hold both
buttons for three seconds until you see
the "CAL End" message.
NOTE: After you release the buttons, the
computer will resume normal opera-
tions with the new cal point(s) active.
11. If you HAVE NOT dispensed any fluid,
you can exit calibration without chang-
ing the cal curve. If the message "run
01" is showing and you have not dis-
pensed any fluid, hold both buttons for
about three seconds until you see a
"CAL End" message.
NOTE: After you release the buttons, the
computer will resume normal opera-
tions and the old curve (if you have
entered one in the past) is still intact.
MAINTENANCE
During daily use, these meters are virtually
maintenance-free. Don't let liquids dry
inside the meter. If liquids have dried and
caked on the rotor, clean the internal
parts with a penetrating lubricant such as
®
WD-40
or a cleaning solvent. Do not sub-
merge the meter. A soft brush or small
probe can be used to remove residue from
the rotor. Do not blow compressed air
through the meter.
Battery Replacement
This meter is equipped with field replace-
able lithium batteries which provide power
for approximately 9,000 hours. Check the
batteries and clean the terminals at least
every year to ensure proper operation. If the
meter's readout should become dim or
blank, power is low or exhausted. When
batteries are disconnected or fail, the Batch
and Cumulative Totals return to zero. Fac-
tory and Field Calibration Curves are NOT
lost. Contact your local dealer or distribu-
tor for replacement batteries.
To replace batteries, remove the corner
screws from the face of the meter and lift
off the computer assembly. Remove the old
batteries (Figure 6). If necessary, clean cor-
rosion from the terminals. Place the new
batteries in position with the positive posts
in the correct position (Figure 7). When the