Warning Messages; Accessories And Spares - HACH LANGE sensION+ PH31 Manuel D'utilisateur

7. Warning messages

During calibration
CALIBRATION
1st buffer
ATENTION !
Asymmetry > 58 mV
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
19˚C
Calibrate again
MEASURING
by stability
pH
out of range
Check the electrode.
MEASURING
by stability
˚C
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.
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sensION+ PH31 HACH_LANGE 0710.indd ANG:20 sensION+ PH31 HACH_LANGE 0710.indd ANG:20
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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.
Measuring by stability.
Rapid criterion.
Measuring by stability.
Standard criterion.
Measuring by stability.
Strict criterion.

8. Accessories and spares

Code Description
Set of 3 x 50 ml printed fl asks for benchtop
LZW9110.98
pH-meters calibration
LZW9322.99 Magnetic stirrer
Standard redox solution of 220 mV,
LZW9400.99
250 ml flask.
LZW9463.99 pH buffer solution 4.01, 250 ml fl ask.
LZW9464.98 pH buffer solution 7.00, 250 ml fl ask.
LZW9465.99 pH buffer solution 9.21, 250 ml fl ask.
LZW9500.99 Electrolytic solution, KCl 3M, 250 ml fl ask.
Electrolytic solution, KCl + glycerine,
LZW9502.99
250 ml fl ask.
LZW8201.99 Thermal printer.
LZW8200.99 Dot-impact printer.
LZW9135.99 RS 232 C cable, DB-9.
LZW9135USB.99 RS 232 C cable, USB.
Software "ComLabo" for intercommunication
LZW8999.99 benchtop instruments with a PC.
Kit with CD, USB cable and adapter.
Software "ComLabo Easy" for data acquisition
LZW8997.99 instruments from a PC desktop.
Kit with CD, USB cable and adapter.
LZW9321.99 Three-sensor holder.
For electrodes please ask for specific brochure.
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