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pH/ORP Preamplifier From Walchem Corporation

USA Toll Free: 1-800-730-0302 Tel: 416-240-1920 -

PH,ORP,Preamplifier,Walchem,CorporationWhat do you do when your favorite pH/ORP electrode isn't available with a built-in preamplifier, but you need to send the signal a few hundred feet? Hook up to this external preamp and you can go 1000 feet if necessary! Compatible with all of Walchem's controllers.

  • NEMA 4X, epoxy coated, die-cast aluminum wall mount enclosure

  • Boost signal for reliable transmission up to 1,000 ft via 22 awg wire

  • No temperature simulation resistor required when used with Walchem controllers


Paddlewheel,Flowmeter,Walchem,Corporation Brochure


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Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


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Dataloggers, sensors, pumps, recorders, hand held instruments, flow instrumentation, level controls, valves, instrumentation, containers, tanks, transmitters, data loggers, digital indicators, mixers and agitators, pressure intrumentation, analyzers and controllers for a variety of industrial applications such as water quality, pH/ORP and more.

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Water Analyzers and Controllers, Wireless Products, Corrosion Monitoring Equipment, Cooling Tower and Boiler Controllers, a wide variety of Pumps, Valves, Dataloggers and Recorders, HVAC, Instrumentation, Skids and Systems, Containers and Tanks from world leading manufacturers are products you will find on this site.

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