Overview
This article summarizes installation requirements and operating notes for Argon Stabiflow® and STABIFLOW® ONE systems.
Correct installation conditions are essential to maintain stable flow and accurate disinfectant measurement.
Installation Conditions
- Keep the water supply line short (max. 3 m).
- Use representative sample water.
- Install a backwashing filter when suspended solids are high.
- Operating temperature: 0...50°C.
- Required flow: > 35 l/h.
General Pressure Limits
- Minimum inlet pressure: 0.5 bar.
- Maximum operating pressure: 6 bar at 20°C.
- Maintain a positive pressure differential from inlet to outlet (minimum 0.5 bar).
- Do not exceed the specified pressure limits during operation or commissioning.
System and Sensor Considerations
DIS measurement is influenced by flow, temperature, pH, and conductivity. During installation and commissioning, verify that these conditions are within the valid operating range for the selected sensor and application.
| Variable | Typical Range / Note | Practical Relevance |
|---|---|---|
| Flow | 30...400 l/h | Defines response behavior and value stability |
| Temperature | 0...50°C | Used for compensation and value correction |
| pH |
Depends on disinfectant chemistry Cl2 pH 6..8 ClO2, O3, H2O2, SO2 pH 6..9 TCl pH 6..10 |
Affects measurement interpretation and compensation |
| Conductivity | Typically 50 µS...6 mS | May require special sensor selection in high salinity |
Commissioning Checklist
- Confirm inlet and outlet orientation.
- Verify all fittings and seals are leak-tight.
- Set and verify stable flow above minimum requirement.
- Confirm inlet pressure is within limits and higher than outlet pressure.
- Check that temperature and flow monitoring are active.
- Record baseline measurement values after stabilization.
Operational Notes
- Re-check flow stability after any maintenance or filter change.
- Clean screens and wetted parts regularly to avoid flow restrictions.
- If values fluctuate, first verify flow, pressure differential, and sampling quality.
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