Appendix e - weights & measures prover guide – Liquid Controls LCR Setup & Operation User Manual
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k-Factor Adjustment Example:
Presume that the LCR register displayed "101.235" Units and the prover volume was determined to be "100.593" units
at the end of step 9. ("Units" represents the units of measure as designated on the front cover of the LCR.)
When INCREASE is pressed in Step 9 above, the left most digit of the LCR register will be flashing on and of
f, indicating
that it can be changed. To change this value, press INCREASE to scroll through 0-9. The display digits will wrap
around to 0 after 9 has been reached. When the desired value for the first position has been reached, press SELECT
and the next digit to the right will flash on and off. In this example, no adjustment to the first digit is necessary.
The second digit also does not require adjustment, so press SELECT to advance to the third digit. The third digit, "1",
will be flashing on and of f and needs to be changed to 0 in order to match the prover volume. Press INCREASE to
scroll through the digits until "0" is displayed. Press SELECT to accept that value and advance to the next digit, "2".
Press INCREASE until the number "5" is displayed. Press SELECT to advance to the next digit, "3". Continue in this
fashion until all the digits on the display are adjusted to the prover volume: "100.593". When this is complete, none of
the digits will be flashing on the display. A new k-Factor is recorded by the LCR. Turn the Selector Switch clock-wise
to exit calibration/prover mode.
If a number is entered in this example that results in an unacceptable k-Factor, the display will show "Error". When this
occurs, press SELECT and return to Step 7 and conduct another prover run.
Appendix E - Weights & Measures Prover Guide