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New Hamilton Polilyte™ ORP Arc Sensor Provides Transmitter-Free Measurement in Harsh Environments

RENO, Nev., (May 17, 2012) -- Hamilton Company announces an addition to its Arc ARC Sensorfamily of transmitter-free sensors – the Polylite Plus ORP (oxidation-reduction potential). The new ORP sensor expands Hamilton’s successful Arc line, which has revolutionized process measurement by eliminating the need for transmitters. The Polilyte sensors feature Hamilton’s proprietary Polisolve electrolyte, which is stable to most organic solvents, even in harsh environments. These robust sensors deliver reproducible measurements and are ideal for high-pressure water, wastewater and chemical applications. They can be steam-sterilized, autoclaved or cleaned in place (CIP). 

Arc sensors communicate directly with the process control system, with both analog (4 – 20mA) and digital Modbus interfaces, delivering high-quality signals for reliable readings. The Arc technology also enables in-lab precalibration and configuration, reducing costs associated with installation and downtime. 

 “We are pleased to extend our Arc technology to ORP measurement in harsh environments,” explains Amber Ratcliff, market segment manager for Hamilton. “The ARC line eliminates costly transmitters and interference issues while delivering reliable and robust signals.”

Hamilton Company is a global leader in the design and manufacture of liquid handling, process measurement, robotics and storage solutions, serving customers in academic and private research laboratories, pharmaceutical and clinical diagnostic companies and government institutions. Hamilton maintains headquarters in Reno, Nevada; Hopkinton, Massachusetts; and Bonaduz, Switzerland, along with subsidiary offices throughout the world. For over 50 years the company has maintained its commitment to building precision and quality into every product. Hamilton is a privately held company with ISO 9001 certification. For more information, visit

Hamilton Company US

Media Contact
Jason March

+1-775-858-3000 Email

Hamilton Bonaduz AG

Media Contact
Marlies Nipius

+41 58 610 10 10 Email