Endress+hauser CPS72E Digital ORP sensor Memosens
- Sensor: Digital ORP Electrode
- Media: Poisoning, low conductivity
- Reference: Ion trap design
- Certifications: ATEX, IECEx, CSA
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Description
Endress+Hauser CPS72E: Specialist for Demanding Processes
Digital ORP Sensor for Tough Applications
The Memosens CPS72E is presented as the digital specialist designed for the most demanding industrial processes. Its standout feature is a unique, contamination-resistant reference system that guarantees stable and reliable ORP (Oxidation-Reduction Potential) measurements, even in poisoning media or those with low conductivity. Leveraging Memosens 2.0 digital technology, the CPS72E seamlessly combines maximum process integrity with simplified operation, offering robust moisture resistance and enabling convenient laboratory calibration for advanced predictive maintenance.
Ideal for Chemical Industry Processes
This state-of-the-art sensor is particularly well-suited for a wide array of applications within the chemical industry. Its specialized design allows it to perform exceptionally well in processes characterized by rapidly changing ORP values, a common challenge in complex chemical reactions and formulations. Furthermore, it excels in environments containing a high proportion of electrode poisons, such as hydrogen sulfide (H2S), which can rapidly degrade standard sensors. This makes the CPS72E a reliable choice for maintaining process stability and accuracy.
Stable Measurement in Poisoning Media Guaranteed
A key benefit of the Memosens CPS72E is its exceptional resistance to media that can poison conventional sensors. The unique ion trap integrated into its design effectively prevents the contamination of both the junction and the reference system. This protective feature ensures a significantly longer sensor lifetime, reducing the frequency of replacements and maintenance in harsh chemical environments. The sensor also demonstrates resilience against strong acids, bases, and high organic loads, further broadening its application scope.
Memosens 2.0 for Predictive Maintenance Insights
The CPS72E fully benefits from Memosens 2.0 digital technology, which offers extended storage of calibration and process data directly within the sensor. This advanced capability provides a solid foundation for identifying crucial trends, enabling effective predictive maintenance strategies, and integrating seamlessly with future Industrial Internet of Things (IIoT) services. By offering deeper insights into sensor performance and process conditions, it empowers users to optimize operations and minimize unexpected downtime.
Ensuring Process Safety with Inductive Transmission
Process safety is significantly enhanced by the CPS72E’s non-contact, inductive signal transmission. This method of data transfer eliminates the physical connection between the sensor and the transmitter, greatly reducing the risk of electrical arcing or signal interruption, especially in potentially hazardous or wet environments. This intrinsic safety feature maximizes process integrity and reliability, providing users with greater confidence in the sensor’s performance, particularly in Zone 0, 1, and 2 hazardous areas.
Reduced Costs Through Extended Sensor Lifetime
The combination of reduced process downtime and an extended sensor lifetime directly translates to lower operating costs for users of the Memosens CPS72E. The sensor’s inherent resistance to poisoning and its advanced design minimize the need for frequent maintenance or replacement. This increased durability, coupled with the efficiency of Memosens 2.0 for simplified calibration and data management, ensures a more economical and reliable solution for continuous ORP monitoring in critical industrial applications.
Global Approvals for Hazardous Area Deployment
The Memosens CPS72E is equipped with comprehensive international certifications, including ATEX, IECEx, CSA C/US, NEPSI, Japan, and INMETRO approvals. These accreditations confirm its suitability and safety for operation in hazardous areas, specifically designated as zones 0, 1, and 2. This extensive range of approvals makes the CPS72E a versatile and compliant choice for deployment across diverse global industries operating under stringent safety regulations in potentially explosive environments.
Specifications
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Measuring principle
Sensor ORP / Redox
-
Application
Process technology and monitoring of processes with:
• Rapidly changing ORP values
• High proportion of electrode poisons, such as H2S -
Characteristic
Digital ORP electrode for chemical process with an ion trap for poison-resistant reference
-
Measuring range
–1 500 to 1 500 mV
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Measuring principle
Gel compact electrode with ceramic junction
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Design
All shaft lengths with temperature sensor
Advanced gel technology -
Material
Sensor shaft: Glass to suit process
ORP measuring element: Platinum
Metal lead: Ag/AgCl
Open aperture: Ceramic junction, zirconium dioxide
O-ring: FKM
Process coupling: PPS fiber-glass reinforced
Nameplate: Ceramic metal oxide -
Dimension
Diameter: 12 mm (0.47 inch)
Shaft lengths: 120, 225, 360 and 425 mm
(4.72, 8.86, 14.2 and 16.7 inch) -
Process temperature
0 to 140 °C (32 to 284 °F)
-
Process pressure
0.8 to 14 bar (11.6 to 203 psi) (absolute)
-
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
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Additional certifications
Additional certifications










