Burkert 271638 (00271638)

Mass flow controller

Can optionally be calibrated for two different gases.

SPECIFICATIONS:

• Burkert Type 8626
• Article: 271638 (00271638)
• 8626-50,0L-N2.-E-A -GM82-ALFF-D-04,0PC64

Burkert Type 8626 Mass Flow Controllers are compact devices that inspection the mass flow of gases. They control the set flow velocity nonetheless of obstruction for instance drop in pressure or interim flow resistance. Flow regulator consist of a flow meter, an electronic module, and a proportional valve. Inline sensors function in the CTA mode (constant temperature anemometers). In that event, the electrical heating resistance and the measuring resistance are adjusted to a constant temperature differentiation. Both resistances are immediately in the gas stream; and three resistances are out of it. All resistances are joined in an electrical bridge. The first resistance in the fluid flow measures the temperature of the liquid. The second, low resistance, is constantly heated to sustain a clearly specified excess temperature relative to the liquid temperature. Due to the fact that the resistances are inclined straight away in the channel, the instrument have excellent dynamics: the time for reaction when changing a given or actual value is hundredths of a millisecond. Additionally, the sensor is practically not contaminated.