Batch limits

On the Batch limits page, you see an overview of all the batches used at your laboratory. Inactive batch limits and not-own batch limits are not displayed by default. A selection can be made with the selection option at the top of this page.

A Batch limit must be entered for each new batch for every method used with the batch.

Go to Menu: Chart Setup > Batch limits. Explanation of the different items can be found below.
Go to Menu: Chart Setup > Batch limits. Explanation of the different items can be found below.

Viewing and edit batch limit

Select a batch, and you will see the Batch limit in detail.

With starting limits
Fill in the batch property value and standard deviation set on the Certificate of Analysis.
These are then the chart’s starting limits.
The y-axis will be filled in automatically.

Without starting limits
You can choose not to fill in the property value and standard deviation. Then, enter 0 for the mean and SD.
The chart will start up without limits.
You do need to define y-axis.

Batch limits, once entered, cannot be adjusted!

Go to Menu: Chart Setup > Batch limits and click on the desired line to view the batch limits. Explanation of the different items can be found below.
Go to Menu: Chart Setup > Batch limits and click on the desired line to view the batch limits. Explanation of the different items can be found below.

Creating New batch limits

  • Select from the dropdown menu the Batch, Strain, and Method
  • Fill in the Property value and the Standard Deviation from the Certificate of Analysis
  • The Charts Y-axis has been filled in automatically.
Go to Menu: Chart Setup > Batch limits > Select + New. Fill in the empty fields. Click on the save button to save the settings.
Go to Menu: Chart Setup > Batch limits > Select + New. Fill in the empty fields. Click on the save button to save the settings.
ItemKind of information
Created byCompany name
BatchBatch number
StrainName of the strain or total count in case of a multi-strain
MethodAnalyse Method
Method SummaryInformation about uses of media and incubation circumstances
Property value (cfu/ml)The concentration per cfu/ml
Standard deviation (cfu/ml)The standard deviation per cfu/ml
ActiveIf the box is ticked, then the Chart is active
CTotal of Charts that are active
UncertaintyThe Uc, expanded standard uncertainty, is based upon at least one batch of the same product with two years of storage
Log transformationTick the box if you want to display your controlchart in log
Chart Y-axis minimum The minimum value of the Y-axis. It is filled in automatically after the Property value, Standard deviation, and, if available, the Uncertainty is filled in
Chart Y-axis maximumThe maximum value of the Y-axis. It is filled in automatically after the Property value, Standard deviation, and, if available, the Uncertainty is filled in
Chart Y-axis incrementThe increment of the Y-axis. It is filled in automatically after the Property value, Standard deviation, and, if available, the Uncertainty is filled in
Biosisto OnlyOnly used by Biosisto

Biosisto - Quality in Control

Microbiological laboratories should be able to receive reliable analysis without much overhead. A microbiological analyst must be able to focus on the primary activities, for example analysis of the sample material. Quality control should support the analyst in a logical and simple manner. By using modern information technology, process control and quality assurance are designed smarter and more effective.

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