Calibration, Water-saturated air (100%) calibration procedure – Hach-Lange LDO10130 User Manual
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Calibration
Before calibration:
The probe must have the correct service-life time stamp. Set the date and time in the meter before the probe is attached.
It is not necessary to recalibrate when moving a calibrated probe from one HQd meter to another if the additional meter is
configured to use the same calibration options.
To view the current calibration, push
, select View Probe Data, then select View Current Calibration.
If any two probes are connected, push the UP or DOWN arrow to change to the single display mode in order to show the
Calibrate option.
Prepare the probe for use (refer to
If a rugged probe, remove the shroud from the probe (refer to
Calibration notes:
•
% saturation or mg/L calibration methods are available in the Modify Current Settings
menu.
•
The slope value is the comparison between the latest calibration and the factory
calibration shown as a percentage.
•
An additional zero point calibration can be added to the calibration routine. Refer to
on page 8.
•
The calibration is recorded in the probe and the data log. The calibration is also sent
to a PC, printer or flash memory stick if connected.
•
Air bubbles under the sensor tip when submerged can cause slow response or error
in measurement. If bubbles are present, gently shake the probe until bubbles are
removed.
•
If a calibration error occurs, refer to
on page 10.
Water-saturated air (100%) calibration procedure:
1. Connect the
probe to the
meter. Make sure
that the cable
locking nut is
securely
connected to the
meter. Turn on the
meter.
2. Push
Calibrate.
3. Push
Methods. Select
User Cal - 100%.
Push OK.
4. Rinse the
probe cap with
deionized water.
Blot dry with a lint-
free cloth.
5. Add
approximately ¼
inch (6.4 mm) of
reagent water to a
narrow-neck
bottle, such as a
BOD bottle.
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