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AW T 210 |
2- W I R E CO N D U C T I V I T Y, P H/O R P, P I O N T R A N SM I T T ER | O I/AW T 2 10 - EN R E V. C
12 Calibration
pH sensor calibration
Auto Buffer Cal
Performs a 2 point calibration using 2 pre-defined buffer
solutions – see
Auto Buffer Setup
Available only if
Measurement Type = pH
.
1 Immerse in Buffer 1
– – – –
Auto Buffer Cal
Abort
Continue
Immerse in Buffer 1
ABB
4.00pH
The details of buffer solution 1 are
displayed.
Immerse the sensor in the buffer
solution and press to continue.
2 Monitoring (Buffer 1)
– – – –
Auto Buffer Cal
Abort
PV 4.03 pH
SV 25.2 °C
Live process values are displayed.
The progress of the process value
stability check is indicated on the
progress bar. The procedure moves
automatically to the next stage
upon completion.
3 Immerse in Buffer 2
– – – –
Auto Buffer Cal
Abort
Continue
Immerse in Buffer 2
ABB
7.00pH
The details of buffer solution 2 are
displayed.
Immerse the sensor in the buffer
solution and press to continue.
4 Monitoring (Buffer 2)
– – – –
Auto Buffer Cal
Abort
PV 7.14 pH
SV 25.2 °C
Live process values are displayed.
The progress of the process value
stability check is indicated on the
progress bar. The procedure moves
automatically to the next stage
upon completion.
5 Completion
– – – –
Auto Buffer Cal
Exit
PV 7.14 pH
SV 25.2 °C
PV Slope 100.00%
PV Offset 8.94 mV
Following a successful calibration
the calculated coefficients are
displayed.
Following an unsuccessful
calibration the reason for failure
is displayed.
– – – –
Auto Buffer Cal
Exit
PV 7.14 pH
SV 25.2 °C
Calibration Failed
Offset Too High