RC67 Chlorine Electrode

The RC67-Series Free Chlorine electrode is an excellent choice for continuous measurement of residual chlorine in swimming pools, spas, industrial applications, or dirty/colored samples where colorimetric methods are inadequate. The electrode will fit many existing flow cells and uses a three-electrode amperometric measurement technology. The measured chlorine concentration is proportional to the output (0-5V or 4-20 mA), which is compensated by an internal temperature sensor. It is primarily intended for free chlorine analysis, but can also be calibrated for use in total chlorine determinations.


1-inch compression fit - fits the ASI Flow Cell or many industry standard flow cells

3-electrode amperometric technology

Choose from 4-20mA output or 0-5V output, this probe requires 12-24VDC power

  • Affordable, complete, free residual and total chlorine sensor system
  • Long life with replaceable membrane cap and refillable gel electrolyte
  • Automatic temperature-compensated output
  • Factory calibrated, no zero calibration required

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