Aquametrix Products


pH and ORP Probes

pH and ORP Probes






Combination Probes



P/R575 Fixed Insertion Combination Style pH/ORP Sensors

P/R575 Fixed Insertion, Combination Style pH/ORP Sensors

These industrial combination pH or ORP probes use the conventional measurement technique employing a process pH glass electrode (platinum for ORP) which is compared to a reference electrode in KCl solution.

These combination probes provide an economical alternative to higher cost models. The durable materials wetted by the process provide excellent chemical
resistance. The convertible design of these probes allows them to be used in flow-through and submersion applications thus minimizing inventory requirements. The probes are offered with or without temperature compensation.

CPVC mounting hardware is available for submersion and flow-through. These industrial combination probes are available with an optional screw-on protector for submersion mount use. It is easily removed for flow-through installations when the probe is mounted to a tee.

The 575 can be directly connected to the Shark, SharkTX/P and 2200P/R analyzers, provided the instrument is within reach of the 3 meter sensor cable. For longer transmission distances, a preamplifier with automatic or fixed temperature compensation are available. Refer to other side for more details.

An alternative model is installed with a 3/4” MNPT compression fitting. With this design the probe does not screw into the process line but is simply inserted through the compression fitting. Probe cleaning and system calibration is greatly facilitated.


  • 1" NPT fixed threads on both ends of the sensor

  • CPVC body material

  • Inexpensive, combination style electrode

  • Single junction

  • 10 ft (3.3m) cable length

  • Flow thru or submersion mounting

  • Industrial strength

  • Tinned wire leads or with BNC connector

  • Optional temperature compensation device

  • 1 year limited warranty


  • Process Control

  • Industrial and Municipal Water Treatment

  • Industrial and Municipal Waste Treatment and Neutralization

  • Fume Scrubbers

  • Plating

  • Circuit Board Manufacturing

  • Food and Beverage

  • Chemical Processing

  • Pulp and Paper

  • Mining

  • Power Generation

  • Pharmaceutical Industry

PR575 Datasheet
User Manual


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