News | February 28, 2012

Endress+Hauser Releases White Paper Showing How To Maintain pH Sensors

White paper describes when and how to inspect, clean and calibrate pH sensors—including a complete decision tree diagram that outlines all necessary steps.

Endress+Hauser introduces “pH Sensors: Know whether to calibrate the sensor, clean the sensor, perform a calibration check or ...?,“ a non-commercial white paper that outlines the proper procedures for maintaining and calibrating pH sensors.

All pH sensors in a process need to be inspected, cleaned and calibrated on a regular maintenance schedule to ensure accurate readings. In some companies, however, maintenance and quality control directives may not be specific enough when dealing with pH sensors.

For example, they may not describe the exact procedures involved in calibrating a pH sensor, or the proper timing for when to conduct pH calibration and maintenance. On the other hand, the instructions may be too specific, detailing many more procedures and operations than are actually required.

This non-commercial white paper describes

  • Knowing when to do a pH sensor calibration versus a calibration check
  • How to properly clean a pH sensor
  • How to perform a pH sensor calibration


The paper includes a complete decision tree diagram that shows, step by step and in great detail, the proper procedures and operations required to maintain pH sensors.

The white paper can be downloaded at

About Endress+Hauser
Endress+Hauser is one of the world's leading suppliers of measuring devices, services and solutions for industrial process engineering. In 2011, the company group recorded sales of approx. 1.9 billion dollars with more than 8,500 employees. Endress+Hauser supplies sensors, devices, systems and services for level, flow, pressure and temperature measure¬ment as well as liquid analysis and measured value recording. The company supports its customers with automa¬tion, logistical and IT services and solutions.

SOURCE: Endress+Hauser, Inc.