Burkert 287139 (00287139)

Mass flow controller

The integrated PI controller ensures excellent control characteristics of the MFC.

SPECIFICATIONS:

• Burkert Type 8626
• Article: 287139 (00287139)
• 8626-80,0M-N2.-E-A -GM84-ALFF-E-06,0

Burkert Type 8626 Mass Flow Controllers (MFC) are succinct devices that inspection the mass flow rate of gases. They control the set flow velocity regardless of hurdle such as drop in pressure or provisional flow resistance. Flow controllers consist of a flow meter, an electronic module, and 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 adjusted to a constant temperature differentiation. Both resistances are directly in the gas stream; three more resistances are outside him. All resistances are united in an electric bridge. The first resistance is gauge the temperature of the fluid. The second, low resistance, is heated continuously to sustain an expressly defined excess temperature relative to the liquid temperature. Due to the fact that the resistances are inclined straight away in the channel, the instrument have splendid dynamics: the time for reaction when altering a given or actual value is hundredths of a millisecond. Additionally, the sensor is practically not contaminated.