With tens of thousands of these units installed all over the world, the Trides analyzer from SWAN analytical has proven it's quality in a number of water applications.

  • Reagentless free chlorine analyzer using the amperometric method of measurement
  • No membranes or grit to replace. Self maintaining design keeps sensor clean and alarm indicate when reference electrode should be replaced (every 3-4 years)
  • All SWAN units are plumbed, wired and mounted on PVC panel and tested before shipping. Set up is extremely simple!
  • Parameters measure ozone, free chlorine, bromine, and chlorine dioxide
  • Optional pH probe on unit - no need for a separate unit to record pH!
  • Measuring and control transmitter in an aluminum case (IP 66) with overflow cell and sensors,mounted on PVC panel, ready for operation.
  • Two signal outputs for measuring value or continuous control, relays as limit switches or control, alarm relay as summary alarm indication, input for potential-free contact. Input for pH-compensation for the calculation of free chlorine.
  • Measuring range:
    • Ozone: 0.000 to 1.000 mg/l
    • HOCl, free chlorine: 0.00 to 5.00 mg/l
    • Chlorine dioxide, iodine, bromine: 0.00 to 3.00 mg/l
  • Process connections:
    • Sample inlet with adapter for flexible tube Ø 8 x 6 mm
    • Sample outlet with adapter for flexible tube Ø 20 x 15 mm (1/2")

For further information see downloads tab.


  • Brand: Swan
  • Product Code: Trides
  • Availability: In Stock

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