SE554 pH/ORP Sensor | Memosens | 225 mm | Ex | For very high ionic strength media
Description
Low-Maintenance pH/ORP Sensor for Simultaneous Measurement in Demanding Chemical Industry Processes
- Simultaneous measurement of pH and ORP value possible
- Solid electrolyte
- Integrated temperature detector
- Low maintenance, no electrolyte refilling
- 2 open hole junctions, no blockage due to solids in the medium
- Perfect galvanic isolation thanks to Memosens technology
- No influence of humidity in the connector
- Precalibration in the lab
- Digital data transfer
The special design allows for high accuracy, stability and durability. The reference system is in direct contact with the measured medium via two open connections, which minimizes the risk of a junction becoming blocked when there are solids in the medium. The high potassium chloride content and its distribution in the solid electrolyte reduce interference from diffusion potentials at the junction. The sensor with the advanced Memosens II technology by Knick is designed for higher ambient temperatures.
Memosens II by Knick:
- Ambient temperature up to 100 °C
- Ex approval for gas and dust
- Diagnostics with load matrix and statistics on transmitters with graphical display
Applications
Measurement in media of extremely high ionic strength, salt brines, strongly oxidizing media, acidic and alkaline media
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| Measurement Parameter: | pH, ORP |
|---|---|
| Connector: | Memosens |
| Measuring Range: | 0 … 14 pH, ± 1500 mV |
| Explosion protection: | Yes |
| Length: | 225 mm |
| Process Connection: | PG 13.5 |
| Temperature Detector: | NTC 30 kΩ |
| Junction: | Hole (2×) |
| Reference System: | Ag/AgCl/Cl solid electrolyte |
| Sensor Material: | Alpha glass, Platinum |
| Relative process pressure: | 0 … 10 bar (0 … 145 psi) |
| Wetted materials: | Body → Glass, Electrode (ORP) → Platinum, Junction → 2× hole, Sensor tip → Alpha glass |
| Process Temperature: | 0 … 130 °C (32 … 266 °F) |
| Tightening torque: | 1 ... 3 Nm |
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