Multi-Ion Selective Electrode Sensor
HydroMetric multi-ion selective electrode sensor supports one or two configurable ion-selective electrodes together with integrated pH and temperature measurement. It can monitor up to four parameters simultaneously and is intended for real-time nutrient and ion monitoring in wastewater, environmental and process-water applications.
Technical Specifications
| Optional ion parameters | NH4-N, NO3-N, K+, Cl-, F- |
|---|---|
| NH4-N range | 0.1–3000 mg/L |
| NO3-N range | 0.5–3000 mg/L |
| K+ range | 0.5–5000 mg/L |
| Cl- range | 3–3500 mg/L |
| F- range | 0.5–10,000 mg/L |
| pH range | 5–10 |
| Temperature range | 0–40°C |
| Resolution | Ions: 0.01 mg/L; pH: 0.01; temperature: 0.1°C |
| NH4-N accuracy | ±5% or ±0.2 mg/L, whichever is greater |
| Other ion accuracy | ±10% or ±0.2 mg/L, whichever is greater |
| pH accuracy | ±0.1 pH |
| Temperature accuracy | ±0.5°C |
| Repeatability | ±5% or 0.2 mg/L, whichever is greater |
| Communication | Modbus RS485 |
| Optional controller outputs | 3 × 4–20 mA and 3 programmable relays |
| Probe dimensions | Ø55 × 342 mm |
| Weight | <1 kg |
| Protection | IP68 / NEMA 6P |
| Cable | 10 m standard; up to 100 m |
Applications
- Nitrification and aeration-tank monitoring
- Wastewater nutrient control
- River and surface-water ion monitoring
- Industrial process-water ion measurement
- Multi-parameter field and online water-quality systems
Installation & Integration
Specify the required one- or two-ion electrode combination when requesting a quote. The integrated pH and temperature channels support compensation and multi-parameter deployment. For plant integration, provide required RS485 addressing and any analog/relay controller outputs.
Request a Quote
Send your water matrix, expected measuring range, installation conditions, cable length and controller/PLC requirements to sales@waterqualityanalyzer.com for configuration support.






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