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    • Main Office
      Burkert Australia Pty Ltd
      15 Columbia Way
      Norwest Business Park
      Baulkham Hills, NSW 2153

      PO Box 6524
      Baulkham Hills NSW 2153
      Phone +61 1300 888 868
      Fax +61 1300 888 076
      E-Mail fnyrf.nh@ohexreg.pbz
      Website http://www.burkert.com.au/
    • Office
      South Australia
      Innovation House
      First Avenue
      Mawson Lakes SA 5095

      E-Mail fnyrf.nh@ohexreg.pbz
      Website http://www.burkert.com.au/
    • Office
      Bürkert Perth
      Unit 8, 1st Floor
      85 Reid Promenade
      Joondalup WA 6027

      E-Mail fnyrf.nh@ohexreg.pbz
      Website http://www.burkert.com.au/
    • Office
      Bürkert Brisbane
      Unit 5a, 88 Brandl Street
      Brisbane Technology Park
      Eight Mile Plains QLD 4113

      E-Mail fnyrf.nh@ohexreg.pbz
      Website http://www.burkert.com.au/
    • Office
      Bürkert Melbourne
      Suite 49, UniPark
      Building 4, 195 Wellington Road
      Clayton VIC 3168

      E-Mail fnyrf.nh@ohexreg.pbz
      Website http://www.burkert.com.au/
    • Office
      Bürkert Sydney
      15 Columbia Way
      Norwest Business Park
      Baulkham Hills NSW 2153

      E-Mail fnyrf.nh@ohexreg.pbz
      Website http://www.burkert.com.au/
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pH measurement

Measuring principle pH value

The hydrogen ion concentration (actually referred to as pH value) in an aqueous solution generates a potential difference at a measuring electrode (pH-sensitive glass diaphragm) with respect to a reference electrode (Ag/AgCl). This voltage is measured by a high-impedance pH measuring instrument and converted to a pH value. The relationship between pH value and voltage is linear, with a slope of 59.16 mV/pH value. The slope is temperature-dependent and is compensated for by an integrated temperature sensor.

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