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Original E+H CPS71E Digital pH Probe Memosens pH Electrode Industrial Liquid Analysis Sensor

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  • Original E+H CPS71E Digital pH Probe Memosens pH Electrode Industrial Liquid Analysis Sensor
  • Original E+H CPS71E Digital pH Probe Memosens pH Electrode Industrial Liquid Analysis Sensor
  • Original E+H CPS71E Digital pH Probe Memosens pH Electrode Industrial Liquid Analysis Sensor
  • Original E+H CPS71E Digital pH Probe Memosens pH Electrode Industrial Liquid Analysis Sensor

›

Original E+H CPS71E Digital pH Probe Memosens pH Electrode Industrial Liquid Analysis Sensor
Endress+Hauser CPS71E is a high-performance digital pH electrode adopting Memosens 2.0 technology, belonging to the Orbisint sensor series designed for demanding industrial process pH measurement. This pH probe is specially engineered for aggressive, toxic and contaminating media, widely applied in chemical production, wastewater treatment, pharmaceutical manufacturing and petrochemical industries.
Equipped with an anti-poison ion trap reference system, CPS71E effectively blocks sulfide, cyanide and heavy metal ions from damaging the reference electrode, greatly extending its service life in harsh process fluids. Its pressurized liquid reference diaphragm resists clogging under high-viscosity, particle-containing and fluctuating pressure conditions, delivering stable and repeatable measuring signals long-term. Built-in integrated NTC temperature sensor realizes automatic temperature compensation to ensure accurate pH readings across wide temperature ranges.
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Product Description

The Endress+Hauser CPS71E is a premium industrial digital pH electrode from the renowned Orbisint series, equipped with advanced Memosens 2.0 technology, specially developed for precise and stable pH measurement in the harshest industrial process environments. Designed to tackle persistent challenges including medium contamination, electrode poisoning, signal interference and frequent sensor failure, this professional pH probe has become a core analytical component for continuous liquid monitoring in chemical, petrochemical, pharmaceutical, wastewater treatment and energy industries, delivering long-term reliable measuring performance for complex process conditions.
One of the most competitive core features of the CPS71E is its built-in anti-poison ion trap reference system. Unlike conventional pH electrodes that are easily damaged by sulfide, cyanide, heavy metal and corrosive ions in process media, the unique ion trap structure effectively blocks harmful substances from eroding the reference junction and internal electrode system. This innovative design fundamentally prevents sensor poisoning and signal drift, greatly extending the service life of the electrode even in toxic, high-corrosion and heavily polluted media, and significantly reducing frequent replacement costs and production downtime.
To adapt to complex working conditions with high viscosity, particle impurities and pressure fluctuations, the CPS71E supports an optional pressurized reference diaphragm structure. This design effectively resists medium clogging and ensures unobstructed liquid exchange at the measuring interface, maintaining consistent and repeatable pH measurement signals in blocking media such as dispersions and turbid process fluids. It covers a wide pH measuring range of 0 to 14 for standard applications and 0 to 12 for high-demand scenarios, with adaptable process temperatures from 1°C to 140°C and working pressures from 0.8 bar to 14 bar, fully meeting diverse industrial production parameters.
Powered by Memosens 2.0 non-contact inductive digital transmission technology, the CPS71E completely separates the sensor’s wetted measuring part and electronic transmission part. It thoroughly eliminates signal instability and equipment damage caused by moisture, corrosion and cable aging, realizing anti-interference and high-stability signal transmission. The integrated high-precision NTC temperature sensor supports automatic real-time temperature compensation, calibrates pH deviation induced by temperature changes, and guarantees ultra-high measuring accuracy across full temperature and pressure ranges.
In terms of safety and installation flexibility, the CPS71E holds ATEX and IECEx explosion-proof certifications, enabling safe operation in hazardous Zone 0/1/2 flammable and explosive environments. It supports flexible installation including upside-down mounting to adapt to various pipeline and tank installation spaces. Adopting plug-and-play design, the sensor can store calibration data internally, supporting on-site rapid calibration and quick replacement without complicated wiring and debugging. This simplifies daily maintenance, realizes full data traceability, and effectively reduces manual operation costs and system maintenance risks. All wetted parts adopt high-corrosion-resistant glass and PTFE materials, ensuring excellent compatibility with strong acid, strong alkali and organic solvent media, making it a durable and cost-effective solution for industrial online pH analysis.

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