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pH and ORP Sensor Installation Tips

This brief article describes some common considerations with sensor installation and removal, as well as best practices for mounting.

pH and ORP Sensor Cleaning

Answers to common questions on how to clean off build-up and coating on pH and ORP sensors.

pH Glass Membrane Types

Hamilton offers several different options for pH membrane glass. This article describes the purpose of each glass type.

pH and ORP Sensor Reference Design

Pre-Pressurized vs. refillable vs. polymer vs. viscous electrolyte? This article discusses basic reference design benefits for each product family.

pH / ORP Sensor Storage and Regeneration

How to store a pH sensor? How long can the sensor sit dry? How can the sensor be regenerated? Learn more in this article.

pH Shelf Life and Expiration

This article discusses common questions about pH sensor shelf life and expiration.

pH Drift From Autoclavation or SIP

This technical article dives into why pH sensor may exhibit drift after autoclave or SIP cycles and glass membranes that limit drift.

pH Basics Video

Ever wonder how pH sensors work? This video discusses basic design and functionality of glass membrane combination pH sensors.

ORP Calibration Basics

This article discusses the basic design or ORP sensors and the need for proper calibration procedures.

Common ORP Applications

ORP (redox) is often mentioned frequently alongside pH measurement. This paper looks as some of the more diverse applications for ORP including wine-making, mining, and water treatment.

What is a Liquid Earth (LEVP) and why would I need it?

Some Hamilton process pH sensors have the option for a liquid earth (LEVP) connection; however many end-users are unfamiliar with its benefits.

Temperature Influence on DuraCal pH Buffers

Temperature has a direct effect on the pH of liquid buffers. This page lists the temperature effects on all Hamilton buffers in one easy to use place.

Connecting Arc pH / ORP Sensors to the Bioreactor

There are several methods for connecting Arc pH and ORP sensors to the bioreactor. This article explores your options.

Stability and Accuracy of DuraCal pH Buffers

Questions often come up regarding pH buffers, their stability (shelf life), and impact on accuracy. This knowledgebase article takes on many of these topics.