EI-1000 & 2000: Setup, Calibration and Troubleshooting.
Page 16 of 19
Calibrating an empty day tank.
Any auto zeroing (parameter 113 on EI series) must be set to off when using a
day tank! Check this before continuing.
If the tank can be emptied or is empty, use this procedure. If it can’t, follow
the next procedure.
1. Enter the calibration mode.
EI-1000: Press and hold [SELECT] + [RIGHT ARROW] for greater than three seconds.
EI-2000: Press and hold [LEFT SELECT] + [RIGHT SELECT] for greater than three seconds.
2. The display will show “CFG” (EI1000) or “SEL CFG” (EI2000) Use the up
arrow to change “CFG” to “CAL 1” (1000) or “CAL” (2000). Press SELECT
(1000) or the right SELECT (2000). The display will show the gross weight
with the GROSS light flashing.
3. Pump the tank out as far as possible. Do not run any pumps dry if this will
cause damage.
4. Press the ZERO pushbutton to zero the instrument. On the EI-2000 use
the ZERO button on the side you are calibrating. NEVER use the arrow
keys to zero the scale. If you do so by accident, unplug the power to the
EI before exiting the calibration mode. This will prevent the zero from
being saved.
5. Add a known amount of product (at least 10% of the tank’s capacity) to
calibrate. The weight reading should rise while the product is being added.
If it doesn’t, stop! Further troubleshooting is needed.
6. The instrument should show a positive reading. Use the up or down
arrows to set the correct gross weight. On the EI-2000 use the arrows on
the side you are calibrating.
7. To verify the calibration, add another known amount of product. The
weight reading should increase to match.
8. Press the right arrow twice on the EI-1000 to exit the menus and return to
the gross weight reading. On the EI-2000 use the left SELECT.
An example using water in a 200 gallon tank:
Enter cal mode. Pump as much water out as possible. Note the gross weight
should be dropping. For this example five gallons were left in the tank.
Zero the scale. Add 20 gallons. The weight reading should rise.
Water is 8.3454 pounds per gallon, so 20 Gallons x 8.3454 = 166.9 pounds.
Set the instrument to read as close to 166.9 as possible. Then exit the cal mode.
After adding 10 more gallons there reading would be 205.4 if there are no
mechanical problems.
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