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Section 8 Troubleshooting
Problem
Decreased probe performance
causes slow stabilization and
prevents accurate calibrations or
measurements.
Sample properties cause slow
stabilization or inaccurate
measurements.
Procedure problem causes slow
stabilization and prevents accurate
calibrations or measurements.
Section 9 Consumables
Note: Product and Article numbers may vary for some selling regions. Contact the appropriate distributor or refer to
the company website for contact information.
Description
LDO sensor cap replacement kit (includes iButton)
BOD bottle with glass stopper, 300 mL
Beaker, 250 mL, polypropylene
Probe stand for standard Intellical probes
Probe cable depth markers for rugged Intellical probes
Disposable wipes, 11 x 22 cm
Wash bottle, polyethylene, 500 mL
Shroud kit for standard LDO probes
Shroud kit for rugged probes
12 English
Possible cause
The sensor cap is loose or
damaged.
Water is between the sensor
cap and the probe lens.
The sensor cap is not
sufficiently conditioned.
The temperature or pressure
sensor does not operate
correctly.
The lot code on the iButton is
not the same as the lot code
on the sensor cap.
The measurement was not
adjusted for salinity in the
sample.
Air bubbles are around or
below the probe tip.
The LDO sensor cap is in
direct sunlight.
The calibration mode in the
meter is set to factory.
Solution
Tighten or replace the sensor cap. Always
replace the sensor cap and the iButton at
the same time. Refer to
Replace the
sensor cap and iButton
on page 9.
Remove the sensor cap and dry the probe
lens. Refer to
Clean the probe
Keep the probe in the BOD bottle with
some water for more time, then try the
calibration again.
Compare the temperature and pressure
readings of the probe with external
measurements. The pressure sensor
reads absolute pressure, which is not
adjusted to sea level. If the measurements
are not correct, contact technical support.
Replace the sensor cap and iButton.
Measure the salinity of the sample and
enter the value as a salinity correction
factor in the meter.
Carefully tap or shake the probe to remove
air bubbles.
Install the protective shroud.
If user calibration is necessary, change the
calibration mode in the meter.
Quantity
1
1
1
1
5/pkg
280/pkg
1
1
1
on page 7.
Item no.
5811200
62100
108046
8508850
5828610
2097000
62011
5832500
5825900
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