HI 9124 and HI 9125 are rugged, high specification portable meters. Both measure pH but the HI 9125 offers the additional advantage of being able to measure ORP/Redox.

Heavy-duty waterproof casing combined with latest microprocessor technology makes these meters ideal for delivering laboratory grade results and accuracy under harsh industrial conditions.

  Automatic temperature compensation
  Extended pH and temperature range clearly displayed on large LCD display
  Fully automatic buffer recognition
  Memorises pH reading and recall on display
  User-friendly text and graphics support calibration procedure without constant reference to a manual
  User-selectable calibration time-out
  Rubberised keyboard
  Automatic pH calibration with five memorised pH buffer values and buffer recognition to simplify calibration
  Battery error prevention system (BEPS)
  Battery % remaining displayed on start up

For pH: select HI 9124. HI 9124 offers high specification pH testing in a strong portable casing.

For pH & ORP: select HI 9125. HI 9125 measures pH plus ORP in one rugged, high specification meter using optional HI 3230B ORP/Redox electrode

HI 9124 and HI 9125 are each supplied with:

  HI 1230B pH electrode
  HI 7662 temperature probe
  Starter pack of buffer solutions
  100 ml plastic beaker
  Batteries and instructions
Electrodes - For spare and alternative electrodes order using the following part numbers:

  pH: HI 1230B
  ORP: HI 3230B
  temperature: HI 7662

Datasheet

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