S401 DIFF/N & S406 DIFF/N
DIFFERENTIAL DIGITAL PH AND ORP SENSORS
FEATURES
- Extensive lifespan
- Ryton® body
- Reference electrode with salt bridge and KCL reserve guarantees high stability of reference signal
- Operates in varying environmental conditions
- The measurement and reference electrode are connected to a ground reference for excellent measurement accuracy even in extreme conditions
- Replaceable reference electrode
APPLICATIONS
- Heavy-duty processes
- Entry and exit from biological wastewater treatment
- Aggressive industrial applications
TECHNICAL SPECIFICATION
| Feature | S401 DIFF/N | S406 DIFF/N |
|---|---|---|
| Measuring Range | 0...14 pH, -1500...+1500 mV | 0...14 pH, -1500...+1500 mV |
| Measurement Methods | Potentiostatic differential | Potentiostatic differential |
| Accuracy | ± 0.01 pH ± 5 mV | ± 0.01 pH ± 5 mV |
| Response Time (T90) | < 60s | < 60s |
| Operating Temperature | Immersion: -5...70°C (21...158°F) Insertion: -5...95°C (21...203°F) |
Immersion: -5...70°C (21...158°F) Insertion: -5...95°C (21...203°F) |
| Maximum Operating Pressure | 6.9 bar (100 psig) | 6.9 bar (100 psig) |
| Body Material | Ryton® | Ryton® |
| Measuring Electrode | Hemispherical glass membrane | Platinum wire |
| Other Materials | PVDF, ceramic junction, Viton® o-rings, titanium (ground ref) | PVDF, ceramic junction, Viton® o-rings, titanium (ground ref) |
| Mechanical Protection | IP68 sensor + cable | IP68 sensor + cable |
| Power Supply | 12...24Vdc | 12...24Vdc |
| Absorption | Max. 1W | Max. 1W |
| Cable | PUR, integral with the sensor, 10m | PUR, integral with the sensor, 10m |
| Signal Interface | Standard Modbus RTU protocol | Standard Modbus RTU protocol |