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Products / Sensing & Control

pH/ORP Instrument

Icon Process Controls R7C ORP sensor instrument
6 sector applications

Where LibertyCES specs pH/ORP Instrument

Municipal Water

Strong evidence
ProMinent PHES · GF Signet 2774-2777

Drinking water explicitly named sector.

Municipal Wastewater

Strong evidence
Icon TB450 · GF Signet 2750-7

Municipal sewage and industrial wastewater treatment explicitly named.

Cooling Towers

Strong evidence
ProMinent cooling tower controller

Cooling Tower explicitly named with Legionella risk context.

Chemical Processing

Strong evidence
GF Signet 2774-2777 · Icon P14 Series

Chemical Processing explicitly named sector.

Plating

Strong evidence
ProMinent PHED

PHED explicitly named for electroplating, chrome reduction, cyanide destruction.

Food & Beverage

Strong evidence
GF Signet pH sensors

Fruit and Vegetable Washing, Poultry and Meat Processing explicitly named applications.

4 chemical compatibility records

Chemical compatibility

Acids

Strong evidence
Hydrofluoric Acid (>4000ppm split)Sulfuric Acid
Materials: PP body (P14H/P14F) · PTFE Teflon NEXUS · dedicated HF-resistant glass electrode
Icon P14H/P14F pH sensors · GF Signet PHEF/PHEF-DJ

Icon's P14 family has a quantified 4000ppm HF concentration breakpoint driving sensor selection; GF Signet PHEF explicitly for low-pH fluoride-containing media.

Caustics/Bases

Strong evidence
Sodium HydroxidePotassium Hydroxide
Materials: Lead-free glass (degrades with NaOH/KOH abrasion)
ProMinent PHE/RHE electrode families · GF Signet 2764-2777

Fourth independent vendor confirmation that pH glass electrodes degrade from strong NaOH/KOH exposure.

Oxidizers/Disinfectants

Strong evidence
ChlorineChlorine DioxideOzoneHydrogen PeroxidePeracetic AcidBromine
Materials: Platinum/Gold electrodes
ProMinent amperometric sensors · Badger Meter ATi M-Node · GF Signet 4630 chlorine analyzer

ATi M-Node explicitly called out as spanning ClO2, all 3 chlorine species, H2O2, and PAA in one modular platform.

Salts/Brines

Moderate evidence
Cyanide (CN-)Hexavalent Chromium (Cr6+)
Materials: Open-ring diaphragm (PHEX/RHEX)
ProMinent PHED/PHEX/RHEX

PHED explicitly named for electroplating media contaminated with Cr6+ and CN-.

FAQ

Frequently Asked Questions

What industries use pH/ORP Instrument?

LibertyCES has documented pH/ORP Instrument specified across 6 sector applications, including Municipal Water, Municipal Wastewater, Cooling Towers and Chemical Processing.

What is a real-world application of pH/ORP Instrument in Municipal Water?

Drinking water explicitly named sector. — examples include ProMinent PHES, GF Signet 2774-2777. This is well-documented in LibertyCES's field data.

Is pH/ORP Instrument compatible with Acids?

Icon's P14 family has a quantified 4000ppm HF concentration breakpoint driving sensor selection; GF Signet PHEF explicitly for low-pH fluoride-containing media. Materials to confirm: PP body (P14H/P14F), PTFE Teflon NEXUS, dedicated HF-resistant glass electrode. Specific chemicals include Hydrofluoric Acid (>4000ppm split), Sulfuric Acid.

What chemical families is pH/ORP Instrument rated for?

LibertyCES has documented chemical compatibility records for pH/ORP Instrument across 4 chemical families, including Acids, Caustics/Bases, Oxidizers/Disinfectants, Salts/Brines.

Spec Review

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