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Universal IV™ CM Density Compensated Model
3.3.5.2 Calibration Procedure for Point 2 (continued)
3. Place the oil processing system into 'Normal Operating Mode'.
a. For LACT applications this means actively pumping oil through the wellhead
LACT and allowing roughly 1-2 minutes for the system to stabilize and all air/gas
to be removed from the system.
b. For Truck/Rail Car unloading stations this means actively transferring oil through
the unloading LACT and allowing roughly 1-2 minutes for the system to stabilize
and all air/gas to be removed from the system.
4. Navigate to the "CUTCAL2" sub-menu at menu address 2.3 and enter the sub-menu
by pressing 'ENTER'.
5. Add the new calibration point by following the procedure indicated in section 3.3.3
Adding a Calibration Point'.
6. Press and hold the 'BACK' button for 5 seconds to return to the meter display.
The H2O cut should read the entered water cut percentage.
3.3.6. MultiCal - Multi Point Calibration
MultiCal is used in applications where the process material is regularly changing. This
is typical in truck and rail unloading stations as well as custom processes where batches
of material are processed.
This calibration and calculation mode holds up to 10 separate calibration points used to
profile the material being presented to the CM-DC system. Once calibrated, the DCM will
actively determine the calibration values to uses by searching all available calibration
points and selecting the best match to the material currently being processed. When
the next load/batch of oil is processed, the system will automatically reselect the best
calibration settings.
New calibration data can be added at any time and will automatically be managed by
the DCM. For best results, at least 2 calibration data points should be added for each
different material presented to the system. These 2 calibration points are recommended
to be at least 10°F different in material temperature if possible. This can be done over
the course of several hours or days as the availability of the material and its temperature
allow. Other material calibration points may also be added between the time point 1 and
point 2 of a given material are calibrated.
Once all 10 calibration positions are filled, the DCM will begin overwriting the oldest
calibration point. It is also recommended that if the DCM is indicating an accurate
density corrected water cut percentage that the system NOT be calibrated as this may
cause undesirable results.
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