IrriMAX 10 Calibration

IrriMAX 10 Calibration

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  • 274 Download
  • 22.44 KB File Size
  • 1 File Count
  • October 9, 2016 Create Date
  • March 16, 2019 Last Updated
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This file contains the latest DEFAULT calibrations for use in Irrimax versions older than 10.1.2.

When upgrading an older version of IrriMAX to IrriMAX 10.1.2, the latest calibration.ini is merged with the one already on the user’s machine. It is no longer necessary to upgrade it manually.Existing and customised calibrations will remain intact.

The IrriMAX Calibration.ini file is where IrriMAX stores soil calibrations for Sentek soil moisture sensors.
To ensure no loss of custom calibrations, when an older version of IrriMAX is re-installed or upgraded on a machine, the Calibration.ini file is NOT installed.

This download allows users access to the latest DEFAULT Calibration.ini file supplied with IrriMAX.



Read Me


The IrriMAX Calibration Registry is stored in a file called "Calibration.ini" in the Sentek Public folder. The Sentek Public Folder can can be found at one of the following locations, depending on the operating

Windows Vista and Windows 7:
"C:UsersPublicPublic DocumentsSentek"

Windows XP:
"C:Documents and SettingsAll UsersShared DocumentsSentek"


When upgrading IrriMAX, the installer will not simply replace an existing Calibration Registry with a new one, in case you have added calibrations of your own.

Prior to IrriMAX 10.1.2, your existing file was left untouched and if you wanted the new calibrations from Sentek you had to update the file manually.

Starting with IrriMAX 10.1.2, the installer will create a file called "". The first time that you access the Calibration Registry, IrriMAX will copy new and updated calibrations from this file into your existing "Calibration.ini". If you have calibrations with the same name as those in "" but different A, B or C values, your modified calibration will not be overwritten but will be renamed with "(modified)" added to the end of the name. At the end of this process, "" will be removed.


These notes are intended for users who wish to copy calibrations from one IrriMAX Calibration Registry to another, without using the Calibration Editor dialog to manually enter them, or importing them from an IrriMAX database (.SDB) file.

If you have IrriMAX 10.1.2 or later, the easiest method is to take advantage of the process described above in "Upgrading the Calibration Registry". To import all calibrations from one "Calibration.ini" file to another, take a copy of the file to import from and name it "", then place it in the same folder as the existing "Calibration.ini". The next time you
access the Calibration Registry, your calibrations will automatically be updated. Note that in the case of any conflicting A, B or C values, the calibration you are importing will take precedence, and the existing calibration will be renamed with "(modified)" added to the end of the name.

If your version of IrriMAX is earlier than 10.1.2, or you only want to copy selected calibrations into your registry, you will need to copy the calibrations into your "Calibration.ini" file using a copy and paste method.

You should be familiar with the use of a text editor, for example Windows Notepad, and basic file operations using Windows Explorer.

Be sure that you understand every step described below before you begin.

Locate the "Calibration.ini" file in the Sentek Public folder and make a backup of it, so you can revert back if you make a mistake.

Open "Calibration.ini" in a text editor, for example Windows Notepad. The file will be empty if you have no calibrations defined, otherwise you will notice that each calibration consists of several lines of text, starting with the calibration name enclosed in square brackets on the first line.

Open the "Calibration.ini" file that you wish to copy calibrations from.  You will need to do this in a new instance of Notepad, so you can keep both files open at once.

Locate the calibration that you wish to copy, then highlight all lines in their entirety, starting from the calibration name in square brackets, right down to the last line before the next calibration name, or the end of file if no calibration follows. Copy the calibration into the clipboard using "Copy" on the "Edit" menu, or by hitting Ctrl+C.

Position the cursor at the end of the real "Calibration.ini" file, so that no text follows it. Then paste the calibration that you copied to the clipboard in step 4, using "Paste" on the "Edit" menu, or by hitting Ctrl+V.

Repeat steps 4 and 5 for each calibration that you want to copy. Then save your changes to "Calibration.ini" using "Save" on the "File" menu.

Verify that the calibrations appear correctly in the Calibration Editor dialog. If they don't, restore the previous contents of the "Calibration.ini" using the backup that you made in step 1.



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