Hach Platinum Series pH probe is a standard combination pH probe with a replaceable gel reference. Probe comes with two electrolyte cartridges and has a fixed cable with a BNC connector. The 5191500 model has a flat end that requires minimal immersion and smaller sample volumes, and can be used for surface measurements in water quality applications.

• The right probe for your application.
• Maximum life through reduced maintenance.
• Accurate
• Easy to Use
• Rugged and Durable

• The right probe for your application.

  The sensION Platinum Series 5191500 pH probe's flat sensor is perfect for measurement on flat surfaces or other applications where minimal sample immersion is possible.

  Maximum life through reduced maintenance.

  sensION Platinum Series probes' replaceable gel reference electrolyte cartridge is a fast and easy maintenance solution that maximizes the life of your electrode.

  Accurate

  You don't just need an answer, but the right one, and fast.

  Easy to Use

  Now, more than ever, you're looking for new ways to stretch your dollar and resources. Skip studying complicated user manuals and spend your time measuring, thanks to Hach's innovative menu designs and simple keypads for truly intuitive operation.

  Rugged and Durable

  Rely on Hach's durable measuring systems designed to withstand the rigors of outdoor testing and frequent use. Choose from the industry's toughest probes or non-glass electrodes for rugged, waterproof systems that deliver day after day.