Viscous Liquid-Filled pH and ORP Probes
Viscous liquid gel-filled sensors provide a suitable upgrade for the entry level sensors used in many industries. The added viscosity of the electrolyte helps slow the ingress of process contaminants from poisoning the reference element.
MecoTrode
The Hamilton MecoTrode pH sensor is a great choice for industrial measurement applications that involve HF as well as very high and low pH ranges.
Liq-Glass
The Liq-Glass PG pH Sensor provides an entry level pH sensor that works well in low temperatures and low conductivity applications.
EasyControl
The EasyControl pH sensor provides an entry level pH sensor that works well in low temperatures and low conductivity applications.
OxyTrode
Designed for basic ORP applications chemical industry and for applications in wastewater treatment.
EasyControl ORP
An entry-level sensor for chemical or wastewater applications and low process temperatures. Also suitable for swimming pools and OEM applications.
WHAT MAKES VISCOUS LIQUID-FILLED SENSORS DIFFERENT?
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Proven Technology
Hamilton has been working with this viscous liquid-filled electrolyte technology for over 20 years.
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Approvals
Most Hamilton viscous liquid filled sensors have additional agency approvals and certifications for appropriate usage in a wide variety of industries.
Resources
Hamilton's knowledge base provides a range of explanatory articles, frequently asked questions, and document downloads.
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Guide - pH Measurement
Want to learn more about pH? Look no further than the Hamilton pH measurement guide. This download provides a comprehensive overview of how these sensors work, calibration, handling, and storage. -
Manual - Process pH and ORP - Traditional
General Process pH and ORP sensor manual for EasyFerm, Polilyte Plus, ChemoTrode, FermoTrode, IonoTrode, MecoTrode, Polilyte Pro, Polyplast Pro, Liq-Glass, and EasyControl products.
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What is the expected lifetime of my pH sensor?
Expected pH sensor lifetime is dependent on the application. Exposure to strong chemicals, elevated temperature, fluctuating pressure, and solid build-up can all impact the sensor life. As the sensor ages, a sluggish response may become more apparent, and will require more frequent calibrations to compensate for this change. The overall health of the Arc pH sensors can be seen using the quality indicator in ArcAir software. Click to learn more about sensor lifespan and expiration in the Knowledgebase article. -
What solution should I store my pH or ORP probe in?
Hamilton recommends storing pH and ORP probes wet in either Hamilton Storage Solution (Ref 238931) or in 3M KCl solution. Click to see the pH/ ORP Sensor Storage and Regeneration Knowledgebase for more information. -
How do I clean an ORP sensor?
The platinum band around the tip of the ORP sensor can oxidize over time. Light scrubbing with a mild abrasive such as toothpaste will remove the oxidization. Rinse with potable water and store in storage solution prior to usage
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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 sensors 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.
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