Verifying Calibration With The Ez Cal Option - ABB Platinum standard Series Product Instruction

VERIFYING CALIBRATION WITH THE EZ CAL OPTION

WBPEEUI110504A0
NOTE: The EZ CAL option is for zero and span validation only. Do
not use it to make large adjustments to the zero or span of the trans-
mitter. The EZ CAL option provides no means to indicate if an error
is made.
1. If not installed, refer to the
procedures.
2. Open the dust cover on the EZ CAL option.
3. Connect the pressure source to the + (high pressure) side
of the cell.
4. Apply a pressure to the cell equal to the configured lower
range value.
5. Turn and hold the adjustment screw on the EZ CAL option
in the zero direction (indicated on the EZ CAL option) for at
least three seconds. The transmitter automatically adjusts the
output to zero percent.
6. Apply a pressure to the cell equal to the configured upper
range value.
7. Depress the span lock and turn and hold the adjustment
screw on the EZ CAL option in the span direction (indicated on
the EZ CAL option) for at least three seconds. The transmitter
automatically adjusts the output to 100 percent.
VERIFYING CALIBRATION WITH THE EZ CAL OPTION
CALIBRATION
Section 3 for installation
4 - 7