28
MW806
Portable Meter
8.4. WARNINGS & MESSAGES
Messages Displayed During Calibration
y
“WRONG BUFFER“ is displayed blinking when the difference
between the pH reading and selected buffer value is significant.
Check if correct calibration buffer has been used.
ºC
ATC
7.01
pH
CAL
27.9
B U F F E R
10.75
W R O N G
y
“WRONG OLD POINTS INCONSISTENT” is displayed if there is
discrepancy between new calibration value and old value
recorded when calibrating with the same probe in a buffer
of the same value.
Clear the previous calibration and calibrate with fresh buffers.
See Clear Calibration section for details.
ºC
ATC
6.86
pH
CAL
24.7
O L D
5.75
W R O N G
ºC
ATC
6.86
pH
CAL
24.7
I S T E N T
5.75
I N C O N S
y
“CLEAN ELEC” is displayed when the offset is out of the
accepted window, or the slope is under the accepted lower
limit.
Clean the probe to improve response time.
Repeat calibration after cleaning. See ELECTRODE CARE &
MAINTENANCE for details.
ACCEPT
ºC
ATC
7.01
pH
CAL
28.0
E L E C
8.38
C L E A N
