S495
PT-PT OPEN AMPEROMETRIC SENSOR FOR FREE CHLORINE MEASUREMENT
FEATURES
- Three electrodes for chlorine measurement
- Immediate installation and easy maintenance
- Absence of moving mechanical parts
- Programmable self-cleaning of the electrodes
- Modbus 485 RTU output
- No spare parts needed
APPLICATIONS
- Drinking water
- Service and process waters
TECHNICAL SPECIFICATION
| Feature | DESCRIPTION |
|---|---|
| Materials | Probe body in Ryton®; measuring stem in glass; electrodes in platinum; porous septum in ceramic; o-ring in NBR |
| Measurement System | Three-electrode ammeter |
| Measurement Range | 0-10ppm Cl2 |
| Measurement Error | ±10% of reading but not less than ±0.05ppm |
| Sensor Cleaning | Automatic and programmable in-situ cleaning |
| Process Connection | PG13,5 |
| Length | 215 mm (glass stem: 123 mm) |
| Glass Stem Diameter | 12 mm |
| Interfering | ClO2, O3 |
| Operating Flow | 30-70 l/h constant |
| First Stabilisation Time | Approx. 30 min |
| Response Time T90 | Approx. 30s |
| pH Range | 6-8 |
| Operating Temperature | 5-75°C |
| Maximum Operating Pressure | 6 bar |
| Mechanical Protection | IP68 |
| Cable | PUR 10m with M12 4-pole male connector |
| Power Supply | 9-36 Vdc |
| Maximum Absorption | 500 mW |