SE 555 pH Sensor Product Highlight

pH Sensor for Aggressive Media & High Temperatures

The SE 555 Memosens pH sensor is ideal for use in a wide range of applications. The sensor is designed to withstand extreme pH ranges, aggressive media, and applications requiring frequent CIP or SIP cleaning. An integrated NTC 30K temperature element assures that all pH measurements are accurately compensated for the temperature of the process media. The pressurized reference system, along with the Silamid reference electrode, help to extend the time between calibrations and reduce sensor replacement frequency. With the integration of Memosens technology, the SE 555 provides for a significant reduction in the overall cost of ownership.

The SE 555 is suitable for use with any Memosens transmitter. When paired with the Stratos Pro transmitter, it provides for a robust solution in Class 1, Division 1 rated areas.


QUICK SPECS

Range: 0 … 14 pH
Temperature:  32 … 284°F (0 … 140°C)
Pressure:  -14 … 87 psig (-1 … 6 bar)
Sensor Material: Special pH glass for high temperatures & pH values
Diaphragm/Junction: Ceramic
Electrolyte: Gel
Reference Electrode: Ag/Ag Cl – Silamid®

TYPICAL APPLICATIONS

  • Extreme pH values
  • Aggressive media
  • Processes requiring cleaning & sterilization (CIP & SIP)
  • Scrubbers
  • Fermentation
  • Food and Beverage
  • Chemical
  • BioPharma

SE 555 pH Sensor Anatomy

1 – SENSOR HEAD: Memosens Digital Sensing Technology

Memosens sensors provide several benefits with regard to ease of use and reduction of operating costs:

  • Submersible inductive connection removes measurement influence from moisture and humidity that are commonly present in process applications.
  • Galvanically isolated so there is no measurement influence from noise or ground loops. This is especially beneficial when using plastic holders.
  • Calibration and diagnostics can be performed in the shop or lab. This reduces field maintenance time and process downtime.
SE 555 Anatomy

2 – ELECTROLYTE: Gel

Gel electrolyte does not require refilling, making this sensor a low-maintenance solution.

3 – REFERENCE ELECTRODE: Ag/Ag Cl – Silamid®

The Silamid reference electrode is constructed using a glass tube internally lined with silver and packed with silver chloride powder. A polyester fiber plug is added as an additional barrier to prevent poisoning and extend sensor life.

4 – DIAPHRAGM/JUNCTION: Ceramic

Robust and corrosion-resistant design. The density of a ceramic junction allows for the reference system to be pressurized. This slows the fouling/poisoning of the reference system, extending the time between calibrations and reducing sensor replacement frequency.

5 – SENSOR MATERIAL: Omega pH glass

Omega hydrogen sensitive glass is designed for use in applications requiring fast response time in high temperature and high pH environments.

Stay in the loop and join our newsletter

Join the Loop, M4 Knick’s exclusive newsletter, for access to content regarding industry trends, product highlights, and more!

SE 555 pH Sensor Product Highlight