pH/ORP, conductivity, dissolved oxygen, residual chlorine, turbidity, ion-selective and process-control sensors — plus dedicated liquid-cooling and drainage network terminals. Every model ships with standard signal output and full integration documents.
Start from the scenario — each card lists the recommended parameter combination and what it is used to control. Tell us your application and we will confirm the model list within 24 hours.
Aeration DO control, dosing pH adjustment, effluent chlorine & turbidity compliance monitoring.
Full-process water quality barrier and network-endpoint residual monitoring for safe drinking water.
Hypoxia early warning and online pH / ammonia monitoring to protect stock density and growth.
Cycles-of-concentration control, dosing interlock and corrosion early warning for plant utilities.
Real-time coolant monitoring to prevent corrosion and precipitation — RS485 direct to DCIM.
Illegal-discharge alerts via conductivity spikes, level/flow monitoring and online outfall stations.
Disinfectant residual control and water clarity monitoring for pools, spas and landscape water.
District rainfall monitoring and river / lake buoy patrols for surface water programs.
All models support RS485 (Modbus-RTU) / 4-20 mA output and integrate with mainstream PLCs, DTUs, SCADA software and IoT platforms. Below are representative models — the full 77-model catalog with complete specifications is in the selection guide.
pH/ORP · conductivity · dissolved oxygen · residual chlorine · turbidity · ion-selective · process control · turnkey monitoring stations.
pH, conductivity (K=0.01), copper ion and turbidity — purpose-built for coolant quality monitoring in liquid-cooling loops.
Level, flow, outfall, water quality and auxiliary terminals — ultra-low-power wireless, IP68, 3+ year battery life.
| Model | Description & Key Specs | Typical Applications | |
|---|---|---|---|
| AF-CTRL-01Smart pH Controller — pH 0~14 · ±0.02 pH · PT1000 ATC · 4-20mA/RS485 · dual-channel input | WWTPs · industrial discharge · circulating water · aquaculture | Get Quote | |
| AF-PH-01pH Sensor — ABS body · anti-fouling flat tip · 0-14 pH · socket / flow-cell | Industrial wastewater · online outfalls · process water | Get Quote | |
| AF-PH-02pH Sensor (Submersible) — 5 m cable · open-tank installation · PT1000 | Sewage tanks · oxidation ditches · sedimentation tanks | Get Quote | |
| AF-PH-07ORP Sensor — platinum ring electrode · PPS body · dosing interlock | ORP monitoring · disinfection · pool water treatment | Get Quote | |
| AF-PH-08Smart pH Electrode — built-in transmitter · RS485 direct · IP68 · controller-free | Smart water · unattended stations · online outfalls | Get Quote | |
| AF-PH-10Smart ORP Sensor — digital output · maintenance-free · plug & play · IP68 | Disinfection processes · ORP monitoring · WWTPs | Get Quote | |
| AF-CTRL-02Smart Conductivity Controller — multi-range electrodes · NTC10K ATC · RS485 | Pure / ultrapure water · boiler water · RO systems | Get Quote | |
| AF-EC-01EC Sensor — graphite / platinum sheets · K=1.0 · cost-effective general purpose | Industrial water · cooling water · wastewater | Get Quote | |
| AF-EC-07EC Sensor (4-Electrode) — anti-fouling · wide range · harsh high-conductivity duty | High-concentration wastewater · plating · seawater | Get Quote | |
| AF-EC-08Smart EC Sensor — digital RS485 output · IP68 · direct to PLC/DTU | Smart water · online monitoring · unattended sites | Get Quote | |
| AF-CTRL-03Smart DO Controller — 0-40 mg/L · fluorescence / polarographic dual mode | Wastewater treatment · aquaculture · river monitoring | Get Quote | |
| AF-DO-01DO Sensor (H2010 membrane) — polarographic · long maintenance interval | Biochemical tanks · aeration tanks · industrial wastewater | Get Quote | |
| AF-DO-04DO Sensor (H2040 aeration) — tempered membrane for high-velocity aeration | Deep aeration tanks · oxidation ditches · SBR | Get Quote | |
| AF-DO-07Smart DO Sensor — fluorescence method · no membrane / electrolyte · RS485 · low maintenance | Smart water · online monitoring · unattended sites | Get Quote | |
| AF-CTRL-04Smart Chlorine Controller — 0-20 mg/L · free / total chlorine · PID dosing interlock | Tap water plants · pools · secondary supply · hospital wastewater | Get Quote | |
| AF-CL-01Chlorine Sensor (sensitive membrane) — amperometric · H320 membrane · easy maintenance | Tap water · pools · circulating water disinfection | Get Quote | |
| AF-CL-02Chlorine Sensor (tempered membrane) — fouling-resistant · durable online duty | Tap water plants · secondary supply · hospital wastewater | Get Quote | |
| AF-CL-04Smart Chlorine Electrode — built-in transmitter · RS485 · maintenance-free | Smart water · unattended stations | Get Quote | |
| AF-CTRL-05Smart Turbidity Controller — 0-4000 NTU · 90° scattered light · automatic cleaning | Tap water plants · wastewater discharge · rivers | Get Quote | |
| AF-TU-01Turbidity Sensor — submersible · scattered light · continuous online | WWTP effluent · rivers · industrial water | Get Quote | |
| AF-TU-02Turbidity Sensor (High Accuracy) — low-turbidity specialty for strict outlet control | Tap water · finished water · purified water | Get Quote | |
| AF-TU-03Smart Turbidity Sensor (Submersible) — RS485 · IP68 · direct immersion | Smart water · online monitoring · unattended sites | Get Quote | |
| AF-ION-04Smart Copper Ion Sensor — ion-selective electrode · RS485 · ppm-level accuracy | Electroplating wastewater · PCB · heavy-metal monitoring | Get Quote | |
| AF-ION-05Smart Fluoride Ion Sensor — high accuracy at low concentrations | Fluorochemical wastewater · aluminum industry · drinking water | Get Quote | |
| AF-ION-07Smart Chloride Ion Sensor — chloride monitoring to prevent corrosion | Desalination · municipal water · boiler water | Get Quote | |
| AF-PC-01Sludge Concentration Sensor — infrared scattering · 0-30 g/L · automatic cleaning | Sludge thickeners · dewatering rooms · secondary clarifiers | Get Quote | |
| AF-PC-03Corrosion Rate Monitor — linear polarization resistance · multi-point · 4-20mA | Circulating water systems · pipeline corrosion · thermal systems | Get Quote | |
| AF-PC-07Level Sensor — submersible static pressure · 0-5~100 m · 4-20 mA | Tank levels · reservoirs · sewage tanks | Get Quote | |
| AF-ST-01Water Quality Monitoring Station (Turnkey) — multi-parameter · auto cleaning · 4G/RS485 · optional solar | River sections · outfalls · drinking-water sources · lakes | Get Quote |
Drainage network terminals (20 models: level, flow, outfall, water quality, rainfall, buoy, auto-sampler, camera) are listed in the selection guide — download the PDF or ask us on WhatsApp.
The spec pages below are excerpted from the AIFEO Water Quality Sensor Product Catalog (118 pages) and mapped one-to-one to the model codes on this site. Click to view the original page, or download the full catalog.
AF-CTRL-01 · AF-PH-01 · AF-PH-02 · AF-PH-07 · AF-PH-08 · AF-PH-10
800×600×200 mm stainless cabinet monitoring pH, ORP, DO, EC, TDS, residual chlorine, turbidity, sludge and temperature in one system — reagent-free, any sensor combination.
630×420×330 mm wall-mounted unit with pH / turbidity / residual chlorine standard, expandable with ORP, DO, EC, COD and ammonia; AC220V mains or 24V solar — ideal for unattended stations.
Titration colorimetric principle, 0.53–6600 ppm CaCO₃ range with auto cleaning and calibration for long unattended operation — the top choice for softener and RO protection systems.
Coolant chemistry decides the life of your cold plates and piping. AIFEO monitors pH, conductivity, copper ion and turbidity in real time to catch corrosion and precipitation before they become downtime — with RS485 Modbus-RTU feeding your DCIM directly, no controller needed.
Stainless body · PTFE junction · 0-6 bar · RS485 + 4-20 mA · IP68. Built for coolant circuits and cooling-tower water.
0-20 µS/cm · ±2% FS · for coolants, ultrapure water and RO permeate. Digital output, controller-free.
0-100 NTU (0-20 optional) · 90° scattered light · light-shielded submersible · POM + 316 SS.
0.064-6400 ppm · solid-state ISE membrane · resists Hg⁺/Ag⁺/Br⁻/Cl⁻/Fe²⁺ interference · G3/4 thread.
AIFEO is a factory, not a trading company. We build sensors to your specification and support system integrators, water-engineering contractors and instrument brands worldwide.
Measurement range, thread (G/PG/NPT), cable length and output signal (RS485 / 4-20 mA / relay) tailored to your project.
Your logo, housing color, packaging and manuals. Fast sampling for small batches before volume orders.
RS485 Modbus-RTU register maps and integration documents provided so your PLC / DTU / SCADA talks to our sensors on day one.
Regular models shipped within 3 working days; sample quantities welcome for evaluation and pilot projects.
Selection, installation and commissioning support comes from the people who build the sensors — not a call center.
12-month whole-unit warranty, 6 months for consumable electrodes, with advance replacement for quality issues.
Full guidance on selection, installation and commissioning. RS485 protocol and integration documents provided.
Range, thread, cable length and output customization with fast small-batch sampling for pilot projects.
Regular models ship within 3 working days. Lifetime maintenance and consumables at preferential prices.
From aeration tanks to server-room coolant loops — the same engineering discipline across every drop.
The complete catalog: every model with specifications, applications and selection tables by scenario — wastewater, tap water, aquaculture, industrial water, liquid cooling and drainage networks.
Sample orders are welcome for evaluation — many customers start with 1-2 units. Volume pricing applies from small batches onward, and regular models can ship within 3 working days.
Every model supports RS485 (Modbus-RTU) and 4-20 mA as standard. They are compatible with mainstream PLCs, DTUs, SCADA software and IoT platforms, and we provide protocol/register documentation for integration.
Yes. Measurement range, thread type, cable length, output signal, logo, housing color and packaging can all be customized. ODM projects start with fast small-batch sampling.
We ship worldwide via international express (DHL/FedEx), air or sea freight. Trade terms such as EXW / FOB / CIF are arranged per order — tell us your destination port and we will quote accordingly.
Bank transfer (T/T) is standard; other arrangements can be discussed with our sales team for project orders. Formal quotations are always provided before payment.
Whole-unit warranty is 12 months (6 months for consumable electrodes). For confirmed quality issues we provide advance replacement, and all products receive lifetime maintenance support with preferential consumable pricing.
Four fields only. Your inquiry goes straight to our engineering sales team — we reply with model selection, pricing and lead time.