Burkert 254108 (00254108)

Mass flow controller

Nominal flow ranges from 20 lN/min up to 1500 lN/min.

SPECIFICATIONS:

• Burkert Type 8626
• Article: 254108 (00254108)
• 8626-90,0M-LUF-E-A -GM85-ALFF-E-08,0

Burkert Type 8626 Mass Flow Controllers (MFC) are succinct arrangement that monitoring the mass flow of gases. They command the set flow velocity nonetheless of interference for instance pressure loss or temporary resistance to flow. Flow controllers include a flow meter, an electronic module, as well as a proportional valve. Inline sensors work in the CTA mode (constant temperature anemometers). In this case, the electrical heating resistance and the measuring resistance are set to a constant temperature differentiation. Either resistances are immediately in the gas stream; and three resistances are out of it. All resistances are joined in an electric bridge. The first resistance in the fluid flow measures the temperature of the liquid. The second, low resistance, is heated continuously to maintain a clearly defined excess temperature relative to the liquid temperature. Owing to the reality that the resistances are situated straight away in the channel, the devices have excellent dynamics: the time for reaction when altering a given or actual value is hundredths of a millisecond. Additionally, the sensor is practically not polluted.