pH/ORP Instrument — Oxidizers/Disinfectants
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LibertyCES has documented pH/ORP Instrument in Oxidizers/Disinfectants service, including Chlorine, Chlorine Dioxide and Ozone. Wetted materials to confirm: Platinum/Gold electrodes. Documented models include ProMinent amperometric sensors and Badger Meter ATi M-Node. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a free spec review.
Notes from the vendor documentation
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
| Spec | Value | Source document |
|---|---|---|
| ProMinent free chlorine amperometric measuring range | 0.01–100 mg/l | ProMinent — Measuring, Control and Sensor Technology |
| ATi M-Node covered chemistries | Chlorine Dioxide, Free/Total/Combined Chlorine, Hydrogen Peroxide, Peracetic Acid in one modular platform | Badger Meter — Water Quality Monitoring (s::can + ATi) and RADAR |
| GF Signet 2630 chlorine electrode range | 0.02-2, 0.05-5, or 0.1-20 ppm free chlorine (3 SKUs) | GF Signet — Instrumentation Product Range Brochure |
| GF Signet 2630 max media temperature | 45°C | GF Signet — Instrumentation Product Range Brochure |
| GF Signet 2630 flow velocity requirement | 15-30 cm/s across membrane | GF Signet — Instrumentation Product Range Brochure |
| 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 Product Range Brochure |
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.
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
Can pH/ORP Instrument handle Oxidizers/Disinfectants?
ATi M-Node explicitly called out as spanning ClO2, all 3 chlorine species, H2O2, and PAA in one modular platform.
What wetted materials should pH/ORP Instrument use in Oxidizers/Disinfectants service?
Materials documented for this service: Platinum/Gold electrodes. Compatibility depends on exact concentration, temperature and duty cycle, so confirm with a spec review before final specification.
Which Oxidizers/Disinfectants chemicals does this cover?
Named chemicals in this documentation: Chlorine, Chlorine Dioxide, Ozone, Hydrogen Peroxide, Peracetic Acid, Bromine.
Which pH/ORP Instrument models are documented for Oxidizers/Disinfectants?
Documented examples include ProMinent amperometric sensors, Badger Meter ATi M-Node, GF Signet 4630 chlorine analyzer.
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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated