S461 ST
DIGITAL TURBIDITY AND SUSPENDED SOLIDS SENSOR
FEATURES
- Utilises dual sensor scattering measurement method
- Infrared optical measurement process delivers reliable concentration measurement
- Sensor body in AISI316
- No mechanical moving parts
- Pre-processed measurement in the sensor provides high sensitivity in low signal transmission
- Immediate installation and simple maintenance
APPLICATIONS
- Industrial and process waters up to 300 g/l (depending on sludge type)
- Biological purification processes
- Extraction processes including quarries, tunnels and aggregate extraction
MODELS
- S461 ST (immersion)
- S461 ST INS (insertion in combination with S305-INS)
- S461 ST/US with ultrasonic cleaning
- S461 ST/US INS with ultrasonic cleaning (insertion in combination with S305-INS)
TECHNICAL SPECIFICATION
| Feature | DESCRIPTION |
|---|---|
| Measurement Range | SS: 0-300 g/l depending on the type of sludge Turbidity measuring ranges: 0...4000 NTU |
| Measurement Method | Double-angle scattering light |
| Repeatability | ± 0.5g/l for SS; ± 1NTU for Turbidity |
| Accuracy | ± 5% on measured point |
| Response Time (T90) | < 60s |
| Operating Temperature | 0...50°C |
| Maximum Operating Pressure | 4 bar |
| Body Material | SS316 |
| O-Ring | Viton® |
| Optics | Special epoxy |
| Mechanical Protection | IP68 sensor & cable |
| Power Supply | 12...24Vdc |
| Absorption | Max. 3W |
| Cable | 10 m integral with the sensor |
| Signal Interface | RS485 with Modbus RTU protocol |