Hach sension ph31, Manual

Page: 24 / 28

ATENTION !
Asymmetry > 58 mV
Continue...
CALIBRATION
1st buffer
ATENTION !
Sens. (a) < 70 %
Continue ...
CALIBRATION 2
nd buffer
ATENTION !
Buffer or electrode
in poor conditions.
CALIBRATION
1st buffer
ATENTION !
Check temperature.
Check the electrode.
CALIBRATION
X buffer
ATENTION !
Electrode in poor
conditions.
CALIBRATION
X buffer
ATENTION !
Check the electrode.
CALIBRATION
2/3 buffer
UNSTABLE READING
Time t> 100 s
Continue...
CALIBRATION
X buffer
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
BUFFER NOT RECOGNISED
Continue...
CALIBRATION
X buffer
SAME BUFFERS
Continue...
CALIBRATION
2/3 buffer
pH
out of range
Check the electrode.
MEASURING
by stability
out of range
˚C
Check temp. sensor
MEASURING
by stability
10-04-2007 17:15
25˚C
Calibrar de nuevo
MEASURE STABLE
pH 12.78
19˚C
Calibrate again
ATENTION !
Asymmetry > 58 mV
Continue...
CALIBRATION
1st buffer
ATENTION !
Sens. (a) < 70 %
Continue ...
CALIBRATION 2
nd buffer
ATENTION !
Buffer or electrode
in poor conditions.
CALIBRATION
1st buffer
ATENTION !
Check temperature.
Check the electrode.
CALIBRATION
X buffer
ATENTION !
Electrode in poor
conditions.
CALIBRATION
X buffer
ATENTION !
Check the electrode.
CALIBRATION
2/3 buffer
UNSTABLE READING
Time t> 100 s
Continue...
CALIBRATION
X buffer
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
BUFFER NOT RECOGNISED
Continue...
CALIBRATION
X buffer
SAME BUFFERS
Continue...
CALIBRATION
2/3 buffer
pH
out of range
Check the electrode.
MEASURING
by stability
out of range
˚C
Check temp. sensor
MEASURING
by stability
10-04-2007 17:15
25˚C
Calibrar de nuevo
MEASURE STABLE
pH 12.78
19˚C
Calibrate again
7. Warning messages 8. Accessories and spares
During calibration
During measurement
Measuring by stability .
Rapid criterion .
Measuring by stability .
Standard criterion .
Measuring by stability .
Strict criterion .
20
Code Description
LZW9400 .99
Standard redox solution of 220 mV,
250 ml flask .
LZW9463 .99 pH buffer solution 4 .01, 250 ml flask .
LZW9464 .99 pH buffer solution 7 .00, 250 ml flask .
LZW9465 .99 pH buffer solution 9 .21, 250 ml flask .
LZW9500 .99 Electrolytic solution, KCl 3M, 250 ml flask .
LZW9502 .99
Electrolytic solution, KCl + glycerine,
250 ml flask .
LZW8201 .99 Thermal printer .
LZW8200 .99 Dot-impact printer .
LZW9135 .99 RS 232 C cable, DB-9 .
LZW9135USB .99 RS 232 C cable, USB .
LZW8999 .99
Software “ComLabo” for intercommunication
benchtop instruments with a PC .
Kit with CD, USB cable and adapter .
LZW8997 .99
Software “ComLabo Easy” for data acquisition
instruments from a PC desktop .
Kit with CD, USB cable and adapter .
LZW9319 .99 2nd Magnetic stirrer, with sensors holder
LZW9321 .99 Three-sensor holder .