Burkert 257954 (00257954) Mass flow controller
- Alternative numbers
Suitable for controlling the mass flow of high gas quantities.
- Burkert Type 8626
- Article: 257954 (00257954)
- 8626-60,0M-LUF-E-A -GM84-VDFF-E-10,0
Burkert Type 8626 Mass Flow Controllers are compact arrangement that monitoring the mass flow of gases. They control the set flow rate oblivious of obstruction such as pressure drops or provisional flow resistance. Flow regulator include a flow meter, an electronic module, as well as a proportional valve. Inline sensors operate in the CTA mode (constant temperature anemometers). In that event, the electrical heating resistance and the measuring resistance are set to a constant temperature differentiation. Both resistances are immediately in the gas stream; and three resistances are out of it. All resistances are united 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 surplus temperature relative to the fluid temperature. Owing to the reality that the resistances are disposed directly in the channel, the devices have superb dynamics: the time for reaction when altering a given or actual value is hundredths of a millisecond. In addition, the sensor is almost not contaminated.