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6
Digital Conductivity Meter
6.7.8 Setting the Normalisation
Temperature (P7.2)
Your meter will normalise its conductivity
measurements to a standard temperature that
you can select. You can adjust the normalisation
temperature either at 20.0°C or 25.0°C. Meter
default is 25.0°C.
1
Repeat step 1 to 4
2
Press
HOLD/ENTER
.
3
Press
HOLD/ENTER
.
4
Press
MI/
or
MR/
to select either 20.0°C or
25.0°C as the normalisation temperature.
5
Press
HOLD/ENTER
to confirm
and return to subgroup menu.
6
Press
CAL/MEAS
to return to measurement mode.
6.7.9 Selection of Cell Constant (P8.0)
The meter lets you select a cell constant of
K = 1.0, 10, or 0.1. The cell included with
your meter has a cell constant of K=1.0.
1
Press
SETUP
.
2
Press
MI/
(7x) or
MR/
(2x) until
you view parameter P8.0 (CEl).
3
Press
HOLD/ENTER
.
4
Press
MI/
or
MR/
to select the cell
constant between K = 1.0, 0.1, or 10.
5
Press
HOLD/ENTER
to confirm selection
and return to the subgroup menu.
6
Press
CAL/MEAS
to return to
measurement mode.
6.8 Error Messages and Troubleshooting
Error message/Problem
Possible Cause
Corrective Action
Err. Annunciator
Wrong input in
selected mode
Release key. Select valid
operations depending on mode
Secondary Display toggles
continuously between
Calibration Standard Values
Incorrect solution used in
calibration or contaminated
calibration solution
Check if correct solution used,
replace with fresh solution if
where necessary
Battery icon illuminated
Low battery
Replace with new batteries as soon as possible
Blank display when
ON/OFF key is selected
1
Batteries not in place
2
Batteries not aligned
to correct polarity
3
Low level batteries
4
No AC power to adapter (if used)
1
Insert batteries
2
Insert batteries to correct polarity position
3
Replace batteries or connect to AC adaptor
4
Check power supply to AC adaptor
Unstable reading
1
Air bubbles in electrode
2
Dirty electrode
3
Electrode not deep
enough in sample
4
External electrical noise
caused by nearby motor
5
Electrode guard not attached
1
Tap electrode to remove bubbles. Reposition
electrode away from bubbles in sample
2
Clean electrode and recalibrate
3
Immerse electrode to cover electrode sensors
4
Move location or switch off interfering device
5
Attach guard
Slow response
Dirty/oily electrode
Clean electrode
Meter not responding to key press HOLD mode in operation
Cancel HOLD mode
ATC indicator blinks and
temperature shows “Ur”
1
Improper attachment
of electrode to meter
2
Electrode temperature sensor
cable connection has broken
1
Check that the electrode is
properly connected to the meter
2
Replace electrode