pH/ORP Instrument — Oxidizers/Disinfectants
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What LibertyCES's vendor documentation shows
ATi M-Node explicitly called out as spanning ClO2, all 3 chlorine species, H2O2, and PAA in one modular platform.
Materials documented for this service
- Platinum/Gold electrodes
Products cited for this service
Real Specifications
| ProMinent free chlorine amperometric measuring range | 0.01–100 mg/l | prominent-sensors-controllers.md |
| ATi M-Node covered chemistries | Chlorine Dioxide, Free/Total/Combined Chlorine, Hydrogen Peroxide, Peracetic Acid in one modular platform | badger-meter-water-quality-monitoring.md |
| GF Signet 2630 chlorine electrode range | 0.02-2, 0.05-5, or 0.1-20 ppm free chlorine (3 SKUs) | gf-signet-instrumentation-catalog.md |
| GF Signet 2630 max media temperature | 45°C | gf-signet-instrumentation-catalog.md |
| GF Signet 2630 flow velocity requirement | 15-30 cm/s across membrane | gf-signet-instrumentation-catalog.md |
| GF Signet 4630 panel operating envelope | Inlet 1-8 bar (15-120 psi), flow 8-12 US gal/h ±15%, 0-45°C, NEMA 4X | gf-signet-instrumentation-catalog.md |
GF Signet's own application tip for the 2630 chlorine electrode: do not use it in water containing surfactants, oils, organic chlorine, or cyanuric acid stabilizers, and note that chlorine dioxide, ozone, and bromine all interfere with the reading — a real failure mode when a plant dosing chlorine also uses a surfactant-based cleaner upstream of the sensor.
Amperometric chlorine sensing looks like a commodity spec until you hit the interference list — GF Signet's own 2630 electrode gives an unreliable reading in the presence of ozone, chlorine dioxide, bromine, surfactants, or cyanuric acid stabilizers, which rules it out for pool water even though it's rated for chlorine generally. Badger Meter's ATi M-Node earns its place on a multi-chemical dosing skid because it's one modular platform validated across chlorine dioxide, all three chlorine species, hydrogen peroxide, and peracetic acid — Liberty CES matches the sensor family to the exact interferents in the water, not just the target chemical.
Every material and product claim on this page traces to real, vendor-published documentation on file with LibertyCES. Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm current specifications with the manufacturer and request a spec review before final specification.
FAQ
Is pH/ORP Instrument compatible with Oxidizers/Disinfectants?
ATi M-Node explicitly called out as spanning ClO2, all 3 chlorine species, H2O2, and PAA in one modular platform. This is strong evidence.
What materials are documented for pH/ORP Instrument in Oxidizers/Disinfectants service?
Materials documented for this service: Platinum/Gold electrodes. Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm with a spec review before final specification.
What specific Oxidizers/Disinfectants chemicals does this cover?
Named chemicals in this documentation: Chlorine, Chlorine Dioxide, Ozone, Hydrogen Peroxide, Peracetic Acid, Bromine.
What products are cited for pH/ORP Instrument in Oxidizers/Disinfectants service?
Documented examples include ProMinent amperometric sensors, Badger Meter ATi M-Node, GF Signet 4630 chlorine analyzer.
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