Calibration configuration, Configure manual calibration – Hach-Lange ORBISPHERE KM1100 Basic User Manual User Manual

Page 20

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6. Configure the calibration as described in

Calibration configuration

on page 20.

7. Start the calibration as described in

Zero calibration

on page 21,

100% humid air calibration

(high range sensors only)

on page 21 or

High level adjustment

on page 21 depending on the

preferred calibration method.

Calibration configuration

Note: This option can also be invoked by pressing the Modify button in either the Zero calibration or High level
adjustment
calibration screens.

1. From the Main menu, select Calibration followed by Gas sensor and then Configuration.

Option

Description

Auto-calibration

Not available for this sensor.

Manual-calibration

When Auto-End is enabled a manual calibration will complete automatically when
the parameters defined in Stop parameters are reached. Press on Configure to set
the manual calibration parameters. If the calibration fails, the previous calibration
parameters remain unchanged and a warning message displayed.

Hold during
calibration

If checked this keeps the last measured value and stops updating the outputs during
the calibration or verification process. This avoids sending invalid information to any
connected device. At the end of a calibration, this hold remains on for a further
10 minutes to allow the system to stabilize.

Interferences
enabled during
calibration

This option enables the Chlorine or Salt interference during calibration. This option
must be used if there is chlorine in the calibration solution and if the chlorine
interference correction is enabled during measurement.

Zero calibration
bottle

Make sure this is disabled by unchecking the box as it is not relevant for this sensor.

Stop parameters

If this button is pressed you can view or change the existing values or restore the
default values. It is highly recommended to leave these parameters at their default
values. These values apply to manual calibrations with the Auto-End parameter
enabled.

Configure manual calibration

1. Set the parameters for a manual sensor calibration:

Option

Description

Calibration mode Select Zero calibration or High level adjustment. If using a high range sensor you also

have the option of 100% humid air calibration.
Note: If zero calibration or 100% humid air calibration is selected, no other parameters
are required. The following are only required for high level adjustment.

Cal. sample

Set to In line sample, Gas bottle or Factory parameters. If factory parameters is
selected, the Ksv value is displayed but can be changed.
These additional parameters are required if in line sample or gas bottle has been
selected as the calibration sample:

Medium

This is automatically set to Liquid if in line sample has been selected as the calibration
sample, or Gas if gas bottle has been selected.

Gas unit type

Either Partial or Dissolved are available for an in line sample. If gas bottle was selected
this is set to Fraction.

Gas unit

The list of available units depends on unit type selected above.

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