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Measuring principle
Potentiometric
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Application
• Drinking water
• Swimming pool water
• pH compensation during the measurement of free chlorine -
Characteristic
Digital pH electrode for standard applications in drinking
water and swimming pool water -
Measurement range
pH 1 to 13
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Measuring principle
Gel filled reference with one or three ceramic junctions with optional salt storage
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Design
All shaft lengths with temperature sensor
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Material
Sensor shaft: Glass to suit process
pH membrane: glass Type A
Metal lead Ag/AgCl
Open aperture: Ceramic junction
O-ring: FKM
Process coupling: PPS fiber-glass reinforced
Nameplate: Ceramic metal oxide -
Dimension
Diameter: 12 mm (0.47 inch)
Shaft length: 120 mm (4.70 inch) -
Process temperature
–15 to 80 °C (5 to 176 °F)
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Process pressure
0.8 to 4 bar (11.6 to 58 psi) (absolute)
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Temperature sensor
NTC 30k
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Ex certification
With ATEX, IECEx, CSA C/US, NEPSI, Japan Ex and INMETRO approvals for use in
hazardous areas Zone 0, Zone 1 and Zone 2. -
Connection
Inductive, contactless connection head with Memosens 2.0 technology
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Ingress protection
IP68
Field of application
Memosens CPS31E is the expert for pH compensation in disinfection processes. It delivers stable measurement results, ensuring safe swimming pool and drinking water. Thanks to Memosens 2.0 digital technology, CPS31E provides the perfect data basis for predictive maintenance, offers easy operation and more process uptime since it can be calibrated in the laboratory and quickly exchanged on site. The sensor resists moisture and its 3 optional junctions make it suitable for minimum conductivity.
Drinking waterSwimming pool waterpH compensation for free chlorine and free bromine measurement
Benefits
Reliable: Ceramic junction ensures reliable measurement at low conductivities. For minimum conductivities, 3 junctions are the best choice. Robust: The optional salt storage provides for extended operating time. Precise: The sensor shows minimum drift thanks to a very low level of ion depletion in electrolyte. Memosens 2.0 offers extended storage of calibration and process data. These data are the ideal basis for predictive maintenance and can also be used to develop and provide enhanced IIoT services. Safe: Non-contact, inductive, digital signal transmission eliminates errors due to moisture. Cost-efficient: Fast sensor exchange in the field increases process uptime and regeneration extends the sensor lifetime.