Measuring principles: amperometric and optical. Measuring ranges from traces to pure oxygen. Preventive diagnostics with intelligent sensors. Also for hygienic applications. Suitable for a large selection of Knick fittings, such as SensoGate and Ceramat as well as inline, flow-through and immersion fittings.
 |  |  |  |  |  |  |  |  |  |  | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SE 503 | SE 515 | SE 554 | SE 555 | SE 557 | SE 558 | SE 559 | SE 560 | SE 571 | SE 564 | SE 565 | |
| Measurement parameters | pH | pH | pH / ORP | pH / ORP | pH | pH | pH | pH | pH | ORP | ORP |
| pH / ORP Range | 0 … 14 | 0 … 14 | 0 … 14 / ± 1500 mV | 0 … 14 / ± 1500 mV | 0 … 14 | 0 … 14 | 0 … 14 | 0 … 14 | 0 … 14 | ± 1500 mV | ± 1500 mV |
| Medium | Water | Water | strongly oxidizing media, polluted media | aggressive media, extreme pH values | Water, Boiler feed water | water for injection (WFI), ultrapure water | Water | cooling brine, low-conductivity media | media of extremely high ionic strength, strongly oxidizing media | Dyes, polluted media | heavily polluted media |
| Temperature | -5 … 80 °C | -5 … 80 °C | 0 … 130 °C | 0 … 135 °C | -20 … 100 °C / 0 … 135 °C | -5 … 100 °C | -5 … 100 °C | -20 … 80 °C (100°C) | 0 … 130 °C | 0 … 130 °C | 0 … 135 °C |
| Pressure, Relative | 0 … 2 bar | 0 … 4 bar | 0 … 10 bar | -1 … 6 bar | -1 … 6 bar | -1 … 3 bar | 0 … 6 bar | -1 … 0,5 (3) bar | 0 … 12 bar | 0 … 10 bar | -1 … 6 bar |
| Temperature Detector | Pt1000 | NTC 30 kΩ | NTC 30 kΩ / Pt1000 | NTC 30 kΩ / Pt1000 | NTC 30 kΩ / Pt1000 | NTC 30 kΩ / Pt1000 | NTC 30 kΩ | Pt1000 | NTC 30 kΩ | NTC 30 kΩ | NTC 30 kΩ |
| pH Glass / Electrode Material | Universal | Universal | Universal | High temperatures, high pH values | Low / high temperatures, universal, high pH values | Universal | Universal | Low temperatures, universal | Universal | Platinum | Platinum |
| Junction | Ceramic, 2x | Ground glass sleeve | Hole | Ceramic | Ceramic | Ceramic, 3x | Annular junction | Platinum (3x) | PTFE ring | Hole | Ceramic |
| Reference Electrolyte | Gel | Gel | Polymer | Gel, pressurized | Liquid, refillable | Gel with KCl reservoir | Polymer | Liquid, refillable | Gel with KCl reservoir | Polymer | Gel, pressurized |
| Connector | VP | Memosens | Memosens / VP | Memosens / VP / S8 | Memosens / VP | Memosens / VP | Memosens | VP / Memosens | Memosens | Memosens / S8 | Memosens |
| Mounting | Pg 13.5 | Pg 13.5 | Pg 13.5 | Pg 13.5 | Fitting | Pg 13.5 | Pg 13.5 | Pg 13.5 | Pg 13.5 | Pg 13.5 | Pg 13.5 |
| Certification | ATEX | ATEX | ATEX | ATEX | ATEX | ATEX | ATEX | ATEX | ATEX |
 |  |  |  |  |  |  |  |  |  |  |  |  | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Conductivity Sensors | SE 600 | SE 603 | SE 604 | SE 605 (H) | SE 610 | SE 615 | SE 620 | SE625 | SE 630 | SE 655 | SE 656 | SE 670 | SE 680 |
| Measurement Parameters | Cond | Cond | Cond | Cond | Cond | Cond | Cond | Cond | Cond | CondI | CondI | CondI | CondI |
| Measuring Range | 0.5 µS/cm … 600 mS/cm | 0.5 µS/cm … 600 mS/cm | 0 … 500 (1000) µS/cm | 0 ... 600 µS/cm ± 2 %600 ... 1000 µS/cm ± 4 % | 0.1 … 1000 µS/cm | 10 µS/cm … 20 mS/cm | 0.05 … 50 µS/cm | 0 … 1000 µS/cm | 10 (5) µS/cm … 20 (50) mS/cm | 0.001 … 2000 mS/cm | 0.001 … 2000 mS/cm | 0.02 … 2000 mS/cm | 0,02 … 2000 mS/cm |
| Measuring Principle | 4 electrodes | 4 electrodes | 2 electrodes | 2 electrodes | 2 electrodes | 2 electrodes | 2 electrodes | 2 electrodes | 2 electrodes | Inductive | Inductive | Inductive | Inductive |
| Temperature | 0 … 210 °C | 0 … 120 °C | -20 … 120 °C | -20 … 135 °C | 10 … 90 °C | -5 … 80 °C | 0 … 135 °C | -10 … 120 °C | -20 … 135 °C | -20 … 125 °C | -20 … 125 °C | 0 … 60 °C | -10 … 125 °C |
| Pressure, Relative | 0 … 25 bar | 0 … 12 bar | 0 … 25 bar | 0 … 25 bar | 0 … 6 bar | 0 … 4 bar | 0 … 16 bar | -1 ... 16 bar | 0 … 16 bar | 0 … 20 bar | 0 … 16 bar | 0 … 10 bar | 0 … 10 bar |
| Temperature Detector | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Electrode Material | Stainless steel 316 L | Platinum | 1.4571 stainless steel | Stainless steel 1.4435 | 1.4571 stainless steel | Graphite | Stainless steel 1.4435 | 3.7035 (Titan Grade 2) | Graphite | --- | --- | --- | --- |
| Body Material | PTFE / stainless steel 316 L | PTFE | 1.4571 stainless steel | Stainless steel 1.4435 | PEI | Polysulfone | Stainless steel 1.4435 | Stainless steel 1.4404 | PES | PEEK | PFA | PP | PEEK virgin FDA |
| Connection | Fixed cable | Fixed cable | Memosens / 7-pin connector | Memosens | Fixed cable | Memosens | VP | Memosens | Memosens / 5 m cable | 5 m fixed cable | 5 m fixed cable | M12 | M12 |
| Mounting | 1“ weld nipple | Special flange | G 1“ thread | Ingold socket | G 1/2" thread | Pg 13.5 | Clamp DN 25 | NPT 3/4" thread | G 1" thread | G 3/4" thread | G 3/4" thread | Various | Various |
| Certification | ATEX | ATEX | ATEX | ATEX | ATEX | ATEX |
 |  |  |  | |
|---|---|---|---|---|
| Oxygen Sensors | SE 706 | SE 707 | SE 715 | SE 740 |
| Measurement Parameters | Oxy | Oxy | Oxy | Oxy |
| Measuring Range | 6 ppb ... saturation | 1 ppb ... saturation | 10 ppb … 20 ppm | 4 ppb … 25 ppm |
| Measuring Principle | Amperometric | Amperometric | Amperometric | Optical |
| Temperature Range, Oxy Measurement | 0 … 80 °C | 0 … 80 °C | -5 … 45 °C | -10 … 85 °C |
| Pressure, Relative | -0.8 … 5 bar | -0.8 … 5 bar | 0 … 2 bar | -1 … 12 bar |
| Body Material | 1.4404 stainless steel | 1.4404 stainless steel | Polysulfone / stainless steel | Stainless steel 1.4435 |
| Sterilization Capability | Steam max 135 °C | Steam max 121 °C | Steam max 140 °C | |
| Connection | Memosens / VP | Memosens / VP | Memosens | M12 |
| Mounting | Pg 13.5 | Pg 13.5 | Pg 13.5 | Pg 13.5 |
| Approval | ATEX | ATEX |
