FloBoss 103/104 Instruction Manual
8-6 Calibration Revised August-2017
20. If you are performing a four-point calibration, click Done.
Calibration for this input is complete.
21. To calibrate a third midpoint, apply the desired pressure or
temperature and enter the applied value in the Dead Weight /
Tester Value field.
22. When the Live Reading is stable, click Set Mid 3 to calibrate this
reading. The calibration is complete, and the display returns to the
Meter Calibration window.
23. When the calibration for a selected point is complete, you have the
choice to calibrate another input, to verify the calibration or to close
the calibration screen.
When the calibration is complete and you calibrated pressure
inputs, read the following Caution and return the Dual-Variable
Sensor to service.
Do NOT close the by-pass valve on the valve manifold until after
process pressure has been reapplied, to protect the differential cell of
the Dual-Variable Sensor. This keeps one side of the differential sensor
from being subjected to high pressure while the other side has no
pressure applied. Refer to Figure 8-9.
Figure 8-9. Returning the DVS to Service
Note: If you calibrated the Differential Pressure input, refer to Section
8.3, Adjusting for Zero Shift, before you complete the last step.
24. Click OK to close the calibration window, cancel freeze values
(unfrozen) and enable live readings for use in the flow calculations.
The Event Log records all calibration settings that were changed.
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