pH
29
y
“CHECK PROBE CHECK BUFFER” is displayed when the
electrode's slope exceeds the highest accepted slope limit.
Inspect the electrode and make sure the buffer solution is
fresh. Clean the probe to improve response time.
ºC
ATC
10.01
7.01
4.01
pH
CAL
24.0
P R O B E
7.01
C H E C K
ºC
ATC
10.01
7.01
4.01
pH
CAL
24.0
B U F F E R
7.01
C H E C K
y
“BAD ELEC” is displayed when, after cleaning, the electrode’s
performance has not improved. Replace the probe.
ºC
ATC
10.01
pH
CAL
24.0
E C
11.74
B A D E L
y
“WRONG BUFFER TEMPERATURE” is displayed when buffer
temperature is out of range. The calibration buffers are affected
by temperature changes.
ºC
ATC
10.01
pH
CAL
-4.1
9.90
W R O N G
ºC
ATC
10.01
pH
CAL
-4.1
9.90
B U F F E R
ºC
ATC
10.01
pH
CAL
-4.1
A T U R E
9.90
T E M P E R
y
When “CONTAMINATED BUFFER” is displayed, replace the
buffer with a new one and continue the calibration.
ºC
ATC
10.01
7.01
4.01
pH
CAL
24.4
I N A T E D
7.18
C O N T A M
ºC
ATC
10.01
7.01
4.01
pH
CAL
24.4
7.18
B U F F E R