
Specs at a glance
-
Measuring range
ORP: –1 500 to 1 500 mV
pH: 0 to 14 -
Process temperature
0 to 110 °C (32 to 230 °F)
-
Process pressure
0.8 to 14 bar (11.6 to 203 psi) absolute
Field of application
Memosens CPS96E is the specialist for media with a high content of suspended solids such as dispersions, precipitations or emulsions. The open aperture prevents fouling and ensures reliable simultaneous pH and ORP measurement. Thanks to Memosens 2.0 digital technology, CPS96E combines maximum process integrity with simple operation. It resists moisture, enables lab calibration and offers extended storage of calibration and process data providing the perfect basis for predictive maintenance.
Chemical processes
Pulp and paper industry
Contaminated media and suspended solids
- Dispersions
- Precipitations
- Emulsions
With ATEX, IECEx, CSA C/US, NEPSI, Japan, INMETRO approvals for use in hazardous areas, zones 0, 1 and 2.
Benefits
Memosens 2.0 offers extended storage of calibration and process data, enabling better trend identification and offering a future-proof basis for predictive maintenance and enhanced IIoT services.
Simultaneous measurement of pH, ORP and rH values (in rH mode) provides a better process overview for tighter process control.
Additional platinum electrode enables constant monitoring of reference impedance and thus sensor quality.
Robust and resistant to poisoning thanks to stabilized gel and reference with ion trap.
Not affected by fluctuations in pressure and temperature: Open aperture prevents build-up of diffusion potential at the junction.
Maximum process safety through non-contact inductive signal transmission.
Minimized process downtime and extended sensor lifetime reduce operating costs.
Videos
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The pH-value of a liquid can be determined using the potentiometric measurement principle. This video shows what it is about and how this measuring principle works.
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Memosens converts the measured value to a digital signal and transfers it to the transmitter without a contacting connection. This video shows how Memosens optimizes process control and maintenance.
Extended selection
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High-end products
- Highly functional and convenient
Technical excellence
Simplicity

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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
-
Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
---|---|---|
Fundamental selection Meet your basic measurement needs |
Technical excellence
|
Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
|
Extended selection Optimize your processes with innovative technologies |
Technical excellence
|
Simplicity
|
Xpert selection Master your most challenging applications |
Technical excellence
|
Simplicity
Variable |
Predecessor
Success stories
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Measuring principle
Potentiometric
-
Application
pH / ORP sensor for heavily contaminated media
and suspended solids
• Chemical processes
• Pulp and paper industry
• Flue gas cleaning
• Contaminated media:
• Solids
• Emulsions
• Precipitation reactions -
Characteristic
Gel pH/ORP electrode with open aperture and double gel reference with ion trap for chemical applications
-
Measuring range
ORP: –1 500 to 1 500 mV
pH: 0 to 14 -
Measuring principle
Pt-disc as additional ORP element
rH measurement and control of the reference impedance -
Design
All shaft lengths with temperature sensor
Advanced gel technology
Hydrolysis stable gel -
Material
Sensor shaft: Glass to suit process
pH membrane glass: Type B
Metal lead: Ag/AgCl
ORP measuring element: Platinum
O-ring: FKM
Process coupling: PPS fiber-glass reinforced
Nameplate: Ceramic metal oxide -
Dimension
Diameter: 12 mm (0.46 inch)
Shaft lengths: 120, 225, 360 and 425 mm
(4.68, 8.77, 14.04 and 16.57 inch) -
Process temperature
0 to 110 °C (32 to 230 °F)
-
Process pressure
0.8 to 14 bar (11.6 to 203 psi) absolute
-
Temperature sensor
NTC 30k
-
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, digital connection head with Memosens 2.0 technology
-
Ingress protection
IP68
-
Measuring principle
Sensor ORP / Redox
-
Application
pH / ORP sensor for heavily contaminated media
and suspended solids
• Chemical processes
• Pulp and paper industry
• Flue gas cleaning
• Contaminated media:
• Solids
• Emulsions
• Precipitation reactions -
Characteristic
Gel pH/ORP electrode with open aperture and double gel reference with ion trap for chemical applications
-
Measuring range
ORP: –1 500 to 1 500 mV
pH: 0 to 14 -
Measuring principle
Pt-disc as additional ORP element
rH measurement and control of the reference impedance -
Design
All shaft lengths with temperature sensor
Advanced gel technology
Hydrolysis stable gel -
Material
Sensor shaft: Glass to suit process
pH membrane glass: Type B
Metal lead: Ag/AgCl
ORP measuring element: Platinum
O-ring: FKM
Process coupling: PPS fiber-glass reinforced
Nameplate: Ceramic metal oxide -
Dimension
Diameter: 12 mm (0.46 inch)
Shaft lengths: 120, 225, 360 and 425 mm
(4.68, 8.77, 14.04 and 16.57 inch) -
Process temperature
0 to 110 °C (32 to 230 °F)
-
Process pressure
0.8 to 14 bar (11.6 to 203 psi) absolute
-
Temperature sensor
NTC 30k
-
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, digital connection head with Memosens 2.0 technology
-
Ingress protection
IP68
-
-
Fields of Activities (FA)
Sensors, transmitters, compact devices and assemblies
English version - 09/2024
New version available in English
Experts in Liquid Analysis
Language:
English
Version:
24/09/2024
File size:
4.2 MB
File name:
FA00007CEN_Analyse_21.24_LowRes.pdf
-
-
-
Competence Brochure (CP)
pH measurement in industrial processes
English version - 12/2021
New version available in English
Selection and engineering guide for different industries and applications
Language:
English
Version:
02/12/2021
File size:
3.2 MB
File name:
CP00010CEN_1621_pH selection guide_2021.pdf
-
-
-
Technical Information (TI)
TI Memosens CPS96E
-
Technical Information (TI)
English version - 04/2025pH/ORP sensor for heavily polluted media and suspended solids
EN 30/04/202527/07/2021Language:
English
Version:
30/04/2025
File size:
759.1 KB
File name:
TI01602CEN_0225-00.pdf
-
-
-
Operating Instruction (BA)
Combined pH/ORP sensors CPS16E, CPS76E and CPS96E
-
Operating Instruction (BA)
English version - 10/2021pH and ORP measurement
EN 14/10/202130/07/2021Language:
English
Version:
14/10/2021
File size:
756.6 KB
File name:
BA02142CEN_0221.pdf
-
-
-
Ex Safety Instruction (XA)
Memosens pH/ORP sensors
-
Ex Safety Instruction (XA)
English version - 11/2021pH and ORP measurement
Supplement to BA01988C, BA02142C
Safety instructions for electrical apparatus in explosion-hazardous
areas
UK Ex II 1 G Ex ia IIC T3/T4/T6 Ga
UK Ex II 1G Ex ia IIC T4/T6 GaLanguage:
English
Version:
26/11/2021
File size:
684.7 KB
File name:
XA02588CEN_0221-00.pdf
-
-
-
Ex Safety Instruction (XA)
XA Memosens pH/ORP sensors
-
Ex Safety Instruction (XA)
English version - 11/2024pH and ORP measurement
Supplement to: BA01988C, BA02142C
Safety instructions for electrical apparatus in explosion-hazardous
areas
NEPSI Ex ia IIC T3/T4/T6 Ga
NEPSI Ex ia IIC T4/T6 GaEN 19/11/2024Language:
English
Version:
19/11/2024
File size:
537 KB
File name:
XA03488CEN_0124-00.pdf
-
-
-
Ex Safety Instruction (XA)
XA Memosens pH/ORP sensors
-
Ex Safety Instruction (XA)
English version - 04/2025pH and ORP measurement
EAC Ex 0Ex ia IIC T3/T4/T6 Ga X
EAC Ex 0Ex ia IIC T4/T6 Ga XEN 24/04/202509/04/202526/01/2022Language:
English
Version:
24/04/2025
File size:
423.7 KB
File name:
XA02817CEN_0325-00.pdf
-
-
-
Ex Safety Instruction (XA)
XA Memosens pH/ORP sensors
-
Ex Safety Instruction (XA)
English version - 01/2025pH and ORP measurement
Supplement to BA01988C, BA02142C
Safety instructions for electrical apparatus for explosion-hazardous areas
ATEX II 1G Ex ia IIC T3/T4/T6 Ga
ATEX II 1G Ex ia IIC T4/T6 Ga
IECEx Ex ia IIC T3/T4/T6 Ga
IECEx Ex ia IIC T4/T6 GaEN 15/01/202523/04/202118/02/202103/07/2020Language:
English
Version:
15/01/2025
File size:
496.1 KB
File name:
XA01991CEN_0424-00.pdf
-
-
-
Ex Safety Instruction (XA)
Memosens pH/ORP sensors
-
Ex Safety Instruction (XA)
English version - 09/2021pH and ORP measurement
Supplement to: BA01988C, BA02142C
Safety instructions for electrical apparatus in explosion-hazardous
areas
NEPSI Ex ia IIC T3/T4/T6 Ga
NEPSI Ex ia IIC T4/T6 GaEN 07/09/202105/08/2020Language:
English
Version:
07/09/2021
File size:
529.3 KB
File name:
XA02113CEN_0221.pdf
-
-
-
Ex Safety Instruction (XA)
Memosens pH/ORP sensors
-
Ex Safety Instruction (XA)
English version - 10/2021pH and ORP measurement
Supplement to BA01988C, BA02142C
Safety instructions for electrical apparatus in explosion-hazardous
areas
KOR Ex ia IIC T3/T4/T6 Ga
KOR Ex ia IIC T4/T6 GaEN 22/10/2021Language:
English
Version:
22/10/2021
File size:
425.6 KB
File name:
XA02739CEN_0121.pdf
-
-
-
Ex Safety Instruction (XA)
XA Memosens pH/ORP sensors
-
Ex Safety Instruction (XA)
English version - 11/2024pH and ORP measurement
Safety instructions for electrical apparatus in explosion-hazardous
areasEN 27/11/202426/08/2024Language:
English
Version:
27/11/2024
File size:
503.3 KB
File name:
XA03347CEN_0224-00.pdf
-
-
-
Ex Safety Instruction (XA)
Memosens pH/ORP sensors
-
Ex Safety Instruction (XA)
English version - 04/2021pH and ORP measurement
Safety instructions for electrical apparatus in explosion-hazardous
areasEN 22/04/202131/07/2020Language:
English
Version:
22/04/2021
File size:
505.2 KB
File name:
XA02082CEN_0221.pdf
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