The present invention describes a method for performing a gas analysis measurement, said method comprising directing a gas flow or gas sample to a gas flow measurement device (10), said gas flow measuring device (10) comprising a gas inlet and a gas compartment (1) with a definite and predefined inner geometric physical volume and active volume, the gas compartment (1) having one gas accumulating end and one lifting end and having a pivoting element enabling the gas compartment (1) to pivot upwards to release the gas contained therein and then downwards again to its initial position and operating according to the leverage effect, wherein the gas compartment (1) is arranged in a closed wet space compartment (2), implying that the gas compartment (1) is only connected to the outside via a gas inlet and a gas outlet, the gas compartment (1) also having at least one sensor, for a volumetric measurement of the gas flow, wherein the method is performed for evaluating a batch fermentation and/or in an in-vitro analysis platform.

The present invention describes a method for performing a gas analysis measurement, said method comprising directing a gas flow or gas sample to a gas flow measurement device (10), said gas flow measuring device (10) comprising a gas inlet and a gas compartment (1) with a definite and predefined inner geometric physical volume and active volume, the gas compartment (1) having one gas accumulating end and one lifting end and having a pivoting element enabling the gas compartment (1) to pivot upwards to release the gas contained therein and then downwards again to its initial position and operating according to the leverage effect, wherein the gas compartment (1) is arranged in a closed wet space compartment (2), implying that the gas compartment (1) is only connected to the outside via a gas inlet and a gas outlet, the gas compartment (1) also having at least one sensor, for a volumetric measurement of the gas flow, wherein the method is performed for evaluating a batch fermentation and/or in an in-vitro analysis platform.

The present invention describes a gas volume and flow measurement device 1 comprising a flow cell compartment 2 with a definite and predefined 5 inner geometric volume, the flow cell compartment 2 having one gas accumulating end 3 and one lifting end 4 and having a pivoting element 5 enabling the flow cell compartment 2 to pivot upwards to release the gas contained therein and then downwards again to its initial position and operating by liquid displacement and according to the leverage effect, wherein said gas flow measurement device 1 also comprises a bubble counter unit 6.

The present invention describes a gas volume and flow measurement device 1 comprising a flow cell compartment 2 with a definite and predefined 5 inner geometric volume, the flow cell compartment 2 having one gas accumulating end 3 and one lifting end 4 and having a pivoting element 5 enabling the flow cell compartment 2 to pivot upwards to release the gas contained therein and then downwards again to its initial position and operating by liquid displacement and according to the leverage effect, wherein said gas flow measurement device 1 also comprises a bubble counter unit 6.