Scientific Analytical Calorimeter Solutions

Calibration Management

Each vessel can have 15 calibrations per mode.

Each calibration contains Bomb factor, Environmental conditions, Drift, Stability and more data.

The objective of the calibration management is restricting the number of entries, grade them, delete the bad ones and avoid duplication.

This is performed automatically without any operator intervention.

The process starts when 4 calibrations are saved and continues from then on with every new calibration.

Each calibration is graded and compared to all other calibrations. If a calibration is not acceptable it is flagged for deletion.

If sample is determination is performed then the best fitting (Conditions) calibration is used. This could be any of the 15 calibrations for this vessel.

Once 4 calibrations are saved the calorimeter performs a calibration assessment and computes the heat loss, environmental and equipment characteristics. This is a ‘sort off’ averaging and grading of the calibration data. This operation is performed at every following calibration.

Above 8 saved calibrations any new calibration is compared to all the others and if the same (conditions) are found then the oldest one is deleted.

If more than 15 calibrations are saved then worst one is deleted. If this is not possible then the oldest one is deleted.

The number of vessels per calorimeter differs per unit and is restricted. The calibration data can be printed.


The calibration of the CAL3K is a process in which a substance (Benzoic Acid, BA) of known calorific value is burned so that future burning of unknown substances can be compared to it. In other words the calibration records all the system variables such as temperature rise and heat loss in memory. All this data is called a calibration field. The calibrations are stored in the vessel.

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To perform a standard calibration using Benzoic Acid Tablets you will need : A working oxygen bomb calorimeter system connected to a power source, A CAL3K Manual Oxygen Filing Station connected to an oxygen supply (not needed when using the CAL3K-AP Calorimeter)...

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The CAL3K system uses two calibrations: Keyboard calibration, in real time, one sample, average with last ‘n’ calibrations, PC calibration, in retrospect, multiple samples. The PC calibration is called ‘IntelCal’ because of its complexity and system effectiveness.

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