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7. Warning messages
During calibration
15
CALIBRATION
1st buffer
ATENTION !
5˚C
Asymmetry > 58 mV
evo
Continue...
CALIBRATION 2
nd buffer
ATENTION !
Sens. (a) < 70 %
Continue...
CALIBRATION
X buffer
UNSTABLE READING
Time t> 100 s
Continue...
CALIBRATION
X buffer
BUFFER NOT RECOGNISED
Continue...
CALIBRATION
2/3 buffer
SAME BUFFERS
Continue...
During measurement
MEASURE STABLE
pH 12.78
Calibrate again
MEASURING
by stability
pH
out of range
Check the electrode.
MEASURING
by stability
out of range
Check temp. sensor
MEASURING
by stability
UNSTABLE READING
Time > 60 s
Check temperature.
Check the electrode.
MEASURING
by stability
UNSTABLE READING
Time > 150 s
Check temperature.
Check the electrode.
MEASURING
by stability
UNSTABLE READING
Time > 300 s
Check temperature.
Check the electrode.
MEASURING
by stability
10.389 mg/l >>>>>
00012
MEASURING
by stability
0.086 mg/l <<<<<<
00018
CALIBRATION
1st buffer
ATENTION !
Buffer or electrode
in poor conditions.
CALIBRATION
X buffer
ATENTION !
Check temperature.
Check the electrode.
CALIBRATION
X buffer
ATENTION !
Electrode in poor
conditions.
CALIBRATION
2/3 buffer
ATENTION !
Check the electrode.
19˚C
˚C
Measuring by stability .
Rapid criterion .
Measuring by stability .
Standard criterion .
Measuring by stability .
Strict criterion .
ISE: Measured value superior to the
highest standard used in calibration .
00:13
ISE: Measured value inferior to the
lowest standard used in calibration .
00:11
8. Accessories and spares
Code
Description
Standard redox solution of 220 mV, 250 ml
LZW9400 .99
MEASURE STABLE
flask .
pH 12.78
19˚C
LZW9463 .99
pH buffer solution 4 .01, 250 ml flask .
Calibrate again
LZW9464 .99
pH buffer solution 7 .00, 250 ml flask .
LZW9465 .99
pH buffer solution 9 .21, 250 ml flask .
MEASURING
by stability
pH
LZW9500 .99
Electrolytic solution , KCl 3M, 250 ml flask .
out of range
Check the electrode.
Electrolytic solution, KCl + glycerine,
LZW9502 .99
250 ml flask .
MEASURING
by stability
LZW8201 .99
Thermal printer .
˚C
out of range
LZW8200 .99
Dot-impact printer .
Check temp. sensor
LZW9135 .99
RS 232 C cable, DB-9 .
MEASURING
by stability
LZW9135USB .99 RS 232 C cable, USB .
UNSTABLE READING
Time > 60 s
Software "ComLabo" for intercommunication
Check temperature.
LZW8999 .99
benchtop instruments with a PC .
Check the electrode.
Kit with CD, USB cable and adapter .
MEASURING
Software "ComLabo Easy" for data acquisition
by stability
UNSTABLE READING
LZW8997 .99
instruments from a PC desktop .
Time > 150 s
Kit with CD, USB cable and adapter .
Check temperature.
Check the electrode.
LZW9319 .99
2nd Magnetic stirrer, with sensors holder
MEASURING
by stability
LZW9321 .99
Three-sensor holder .
UNSTABLE READING
Time > 300 s
Check temperature.
Check the electrode.
MEASURING
by stability
10.389 mg/l >>>>>
00012
00:13
MEASURING
by stability
0.086 mg/l <<<<<<
00018
00:11
21
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