TecSense TEC002 HSA headspace analyser

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The TecSense TecHSA determines the volume of the headspace in closed, carbonated flasks by analysing the pressure in it.

The instrument determines parameters — foreign gas (FG) content in the head space (mL/L); oxygen (O₂) amount in the head space (mg/L); head space volume (HSV) (mL); CO₂-amount (g/L); filling volume (FV) in the container (mL/L) — for the headspace of beer and carbonated beverages in bottles and cans. These parameters also provide information on the correct setting of the filling system.

Suitable for carbonated beverage and beer applications, the instrument is applied to control beer and carbonised drinks in final packages (bottle or can) with carbon dioxide content greater than 2 g/L.

Control of the filling process and filling device (bottle or can) is achieved by measuring foreign gas and oxygen in the head space, carbon dioxide in the liquid, and the filling volume.

The measurement should be done within 1 hour after filling, before pasteurising the bottle or can. After 1 hour and/or pasteurisation the oxygen content will be lower because of oxidation processes.

The measurement is performed automatically. The sealed container is pierced, and the head space gas enters the measuring head containing an optical oxygen sensor, a pressure sensor and temperature sensors.

Head space oxygen (HSO), foreign gas, head space volume and carbon dioxide are measured simultaneously in the same container.

The carbon dioxide is measured according to Henry’s law by means of measuring the container pressure and liquid temperature.