Burkert 277971 (00277971) Mass flow controller

Burkert 277971 (00277971)
Item Number: 277971 (00277971)
Can optionally be calibrated for two different gases.
Total price: 3102.00
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Can optionally be calibrated for two different gases.


  • Burkert Type 8626
  • Article: 277971 (00277971)
  • 8626-20,0M-NH3-E-U -GM84-VAAA-D-04,0

Mass Flow Controllers Type 8626 are compact arrangement that control the mass flow rate of gases. They regulation the set flow rate regardless of obstruction including pressure loss or interim flow resistance. Flow controllers consist of a flow meter, an electronic module, as well as a proportional valve. Inline sensors operate in the constant temperature anemometers mode. In that event, the electrical thermal resistance and the measuring resistance are adjusted to a constant temperature difference. Both resistances are immediately in the gas stream; three more resistances are outside him. All resistances are combined 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 an expressly specified excess temperature relative to the temperature of theliquid. Due to the reality that the resistances are disposed directly in the channel, the devices have splendid dynamics: the time for reaction when altering a given or actual value is hundredths of a millisecond. In addition, the sensor is practically not polluted.


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