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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EU Declaration of Conformity - Analog Sensors and Armatures
EU Declaration of Conformity to the RoHS 2 directive 2011/65/EU and ATEX Directive 2014/34/EU. The declaration applies to the product families: pH sensors, dissolved oxygen sensors, conductivity sensors, armatures and fittings. -
EU Declaration of Conformity - Analog Sensors and Accessories (non ATEX)
EU Declaration of Conformity to the RoHS 2 directive 2011/65/EU. It applies to all "non ATEX" products or product families such as: laboratory electrodes and cables, process sensors and cables, housings and accessories. -
Material Specification - O-ring EPDM
Material specification of O-ring EPDM
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What is viscous electrolyte?
Viscous electrolyte helps slow the ingress of contaminants that could poison the sensor. These sensors offer a good compromise between long life and good value. They are well suited for applications found in water treatment, swimming pools, fish farming, algae cultivation and many other industries. -
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 -
What is the difference between ORP and Redox?
They are the same. Redox is a shortened word for “Reduction Potential”. ORP is shortened for “Oxidation Reduction Potential”. The sensor and measurement is the same.
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How to Measure Sensor A-length
Sensor A-length determines the insertion depth of the sensor. This article shows how this measurement is made for various styles of sensors. -
Powered vs. non-powered cables
Some sensors require standard cables while other sensors require power. Which cable should you use? This quick guide helps better answer these questions. -
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.
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