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Digital pH sensor Memosens CPF81E

Brand: Endress+Hauser Group Services AG

Memosens CPF81E is the digital, robust solution for harsh environments. It measures reliably and accurately even in abrasive media and at high flow rates. With its integrated assembly, the electrode saves installation space. Thanks to Memosens 2.0 digital technology, CPF81E combines maximum process integrity with simple operation. It resists moisture and enables lab calibration. It offers extended storage of calibration and process data providing the perfect basis for predictive maintenance.Features
  • Memosens 2.0 offers extended storage of calibration and process data, enabling better trend identification and providing a future-proof basis for predictive maintenance and enhanced IIoT services.
  • Long time stable: Double junction provides better protection against electrode poisoning ions such as S2-or CN-.
  • Robust polymer housing protects against mechanical damage.
  • Optional flat membrane makes the sensor suitable for high flow rates and abrasive media.
  • Non-contact, inductive signal transmission ensures maximum process safety.
  • Maximum process uptime and extended sensor lifetime reduce operating costs.

Specifications

Measuring principle

  • Potentiometric

Application

  • Flotation, leaching, neutralization, outlet monitoring

Characteristic

  • Resistent against electrolyte poisoning and dirt repellent gel-electrode including process connection NPT 3/4"

Measuring range

  • pH 0 to 14

Design

  • Compact electrode in PPS housing with NPT 3/4" process connection

Material

  • Housing: PPS
  • pH electrode: lead-free membrane glass
  • Double chamber reference system: KNO3 and KCl/AgCl

Dimension

  • Diameter: 22 mm (0.87 inch)
  • Length (protcetion guard, long shaft): 150 mm (5.91 inch)
  • Length (flat membrane): 140 mm (5.51 inch)

Process temperature

  • Version LH: 0 to 110 °C (32 to 230 °F)
  • Version NN: 0 to 80 °C (32 to 170 °F)

Process pressure

  • 1 to 10 bar abs at 80 °C
  • (15 to 145 psi at 176 °F)

Temperature sensor

  • NTC 30K

Ex certification

  • (optional) FM IS NI Cl. I Div.1&2, Groups A-D

Connection

  • Memosens plug

Ingress protection

  • IP68

  • Flotation, Leaching, Neutralization, Outlet Monitoring
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