TBN581 (ORP/pION) TRANSMITTER
CALIBRATION
L - 6
Bench Calibration (ORP/pION)
This procedure applies to TBN581 Transmitters configured for either
ANALOG or DIGITAL. Any differences between the two are noted in
the Comments column.
Value from last calibration. If NEW SENSOR, effi-
ciency will be 98%. This value can be changed if
desired. A change in efficiency will affect calibration
span.
This value is recalculated during each calibration.
This value shows the offset change over time for a
particular sensor. Value resets to 0.00 pH if installing
a new sensor.
Key Display Comments
ENTER
CHANGE
EFFICIENCY?
nn.nn%
HIT ENTER
ENTER
CURRENT READING
nn.nn mV
ENTER DESIRED
nn.nn mV
ENTER
CALCULATED
SENSOR OFFSET
nnn.nn pH
HIT ENTER
ENTER
CUMULATIVE
OFFSET CHANGE
n.nn pH
HIT ENTER
ENTER
ID TAGNAME
READY
Key Display Comments
This operation will cause a change in output not cor-
responding to the input. Be sure the control loop is in
manual.
Select YES.
CALI-
BRATE
OUTPUT WILL BE
AFFECTED! PROCEED?
NO
→ YES
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