Burkert 257758 (00257758) Mass flow controller

Burkert 257758 (00257758)
Item Number: 257758 (00257758)
Can optionally be calibrated for two different gases.
Total price: 2189.00
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Can optionally be calibrated for two different gases.


  • Burkert Type 8626
  • Article: 257758 (00257758)
  • 8626-2500N-CH4-E-V -GM84-ALFF-B-02,0

Burkert Type 8626 Mass Flow Controllers are succinct arrangement that inspection the mass flow of gases. They command the set flow velocity nonetheless of hurdle such as pressure loss or provisional resistance to flow. Flow controllers consist of a flow meter, an electronic module, and a proportional valve. Inline sensors operate in the CTA mode (constant temperature anemometers). In that event, the electrical thermal resist and the measuring resistance are set to a constant temperature difference. Both resistances are immediately in the gas stream; three more resistances are outside him. 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 sustain a clearly specified surplus temperature relative to the fluid temperature. Owing to the reality that the resistances are inclined directly in the channel, the apparatus have superb dynamics: the time for reaction when changing a given or actual value is hundredths of a millisecond. In addition, the sensor is almost not polluted.


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