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Reflex Level Gauge

RLG201

The principle of Reflex Level Gauges is based on the difference in the refractive indices of liquid and vapor. The liquid column is contained within the recess of the liquid chamber behind the sight glass, which is clamped to the gauge body. The sight glass has prismatic right-angled grooves on the side facing the liquid and vapor space. Light rays entering from outside the gauge are either absorbed or reflected depending upon whether they enter the liquid or vapor space. When the ray of light encounters the surface of one of the grooves in the vapor space, it is reflected to the opposite surface of the grooves and from there, totally reflected back to the direction of observation.

  • Process connection orientation : Side/side, top/bottom with back/back
  • Process connection type : Flanged, Threaded Unions, Butt Weld Ends
  • Vent / drain connection : Valve - Gate, Needle, Globe or Ball type or Plug or Flange
  • Gauge cocks : Auto- shut-off ball check, off-set pattern, Bolted or Screwed Bonnet

Applications

  • Level

Industries

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