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Hach sensION+ pH3 - Sensor Cleaning; Accessories and Spares

Hach sensION+ pH3
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ATENTION !
Asymmetry > 58 mV
Repeat with
CALIBRATION
1st buffer
ATENTION !
Sens. (a) < 70 %
Repeat with
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
Repeat with
CALIBRATION
X buffer
UNSTABLE READING
Time > 150 s
Check temperature.
Check the electrode.
MEASURING
by stability
BUFFER NOT RECOGNISED
Repeat with
CALIBRATION
X buffer
SAME BUFFERS
Repeat with
CALIBRATION
2/3 buffer
p H out of range
Check the electrode.
MEASURING
by stability
Temp out of ra nge
˚C
Check temp. sensor
MEASURING
by stability
MEASURE STABLE
p H 1 2 . 7 8
1 9 ˚ C
Calibrate again
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.
LZW9321.99 Three-sensor holder.
During calibration
During measurement
6. Warning messages
7. Accessories and spares
10

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