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825P-850P DIGITAL PULSE OUTPUT METERS
Calibration Procedure Using the CAL Factor
Changing the CAL Factor
3
•
Hold button
until the display only shows CAL and number.
•
Press
3
repeatedly until you reach the desired number.
Note – number will step up to 19, then back to zero.
•
Press
2
to return to normal operating mode.
Calibration Procedure
A) Set CAL factor to 10.
Hold button
3
for three seconds. Press
number 10 shows below "CAL" (NOTE: If you go past 10 keep
pressing
3
because the number will return to 0 after
passing 19).
Press
2
to get back to normal operating mode.
NOTE: If your fluid is listed on Table 1, use that number in step
A above in place of 10.
B) Prime pump and meter by dispensing 2 - 3 gallons of fluid
back into the bulk tank.
With the outlet valve closed and the pump still running, reset
the meter to 0.00.
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C) Fill the Proving Can exactly to the 5.0 gallon line.
Focus on the Proving Can, do not look at the meter at this point.
Keep the hose end nozzle wide open as long as possible for
best accuracy.
D) Adjust Meter CAL Factor.
•
3
again until the
• If 5.10 is displayed, this is 2% over 5.00; the CAL
• If the meter reads low, lower the CAL factor.
• When finished with the CAL factor procedure, press
INSTALLATION AND OPERATION MANUAL
If meter reads high, increase the CAL factor. Each CAL #
changes the accuracy by about 1%. For a 5 gallon
proving can, 1% = 0.05 gallons.
factor should be changed to CAL 12.
For example, if 4.90 is displayed, it is 2% less
than 5.00, so the CAL factor should be set to 8.
to return to normal mode and to reset the meter to
2
0.00. The meter is now calibrated and ready to use.
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