
Specs at a glance
-
Measuring range
ORP: –1 500 to 1 500 mV
Application B
• pH: 0 to 14
Application H
• pH: 0 to 12 -
Process temperature
Application B and H:
0 to 140 ° C (32 to 284 ° F)
Version TB:
0 to 140 ° C (32 to 284 ° F)
Version TU, TP (pressurized reference):
0 to 140 ° C (32 to 284 ° F) (140 ° C (284 ° F) for sterilization only)
maximum 100 ° C (212 ° F) in continuous operation due to increasing
pressure drop at T> 100 ° C (212 ° F) -
Process pressure
Application B: 0.8 to 14 bar (11.6 to 203 psi) absolute
Application H: 0.8 to 7 bar (11.6 to 101,5 psi) absolute
Field of application
Memosens CPS76E is the heavy-duty specialist for simultaneous pH and ORP measurement. Its unique, contamination-resistant reference guarantees stable measurement in polluted, poisoning media and in media with low conductivity. Thanks to Memosens 2.0 digital technology, CPS76E 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.
Processes in chemical industry and monitoring of processes with:
Quickly changing pH or ORP values
High proportion of electrode poisons such as H2S
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 providing 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 and allows for a tighter process control.
Its optional pressurized reference ensures reliable measurement in blocking media, such as dispersions.
Unique ion trap prevents poisoning of the electrode's junction and reference ensuring a long sensor lifetime.
Flexible installation thanks to optional upside-down mounting.
Maximum process safety through non-contact, inductive signal transmission.
Reduced operating costs thanks to minimized process downtime and extended sensor lifetime.
Videos
-
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.
-
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
-
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
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Simplicity
|
Lean selection Handle your core processes easily |
Technical excellence
|
Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
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Xpert selection Master your most challenging applications |
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Predecessor
Success stories
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Measuring principle
Potentiometric
-
Application
Process technology and monitoring of processes with:
- Rapidly changing pH values
- High levels of electrode poisons, such as H2S -
Characteristic
Digital pH/ORP electrode for chemical process with an ion trap for poison-resistant reference
-
Measuring range
ORP: –1 500 to 1 500 mV
Application B
• pH: 0 to 14
Application H
• pH: 0 to 12 -
Measuring principle
Gel compact electrode with ceramic junction and ion trap for simultaneous measurement of pH, ORP and rH value (in rH mode)
-
Design
All shaft lengths with temperature sensor
Advanced gel technology -
Material
Sensor shaft: Glass to suit process
pH membrane glass: Type B, Type N
Metal lead: Ag/AgCl
Open aperture: Ceramic junction,
zirconium dioxide
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
Application B and H:
0 to 140 ° C (32 to 284 ° F)
Version TB:
0 to 140 ° C (32 to 284 ° F)
Version TU, TP (pressurized reference):
0 to 140 ° C (32 to 284 ° F) (140 ° C (284 ° F) for sterilization only)
maximum 100 ° C (212 ° F) in continuous operation due to increasing
pressure drop at T> 100 ° C (212 ° F) -
Process pressure
Application B: 0.8 to 14 bar (11.6 to 203 psi) absolute
Application H: 0.8 to 7 bar (11.6 to 101,5 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
Process technology and monitoring of processes with:
- Rapidly changing pH values
- High levels of electrode poisons, such as H2S -
Characteristic
Digital pH/ORP electrode for chemical process with an ion trap for poison-resistant reference
-
Measuring range
ORP: –1 500 to 1 500 mV
Application B
• pH: 0 to 14
Application H
• pH: 0 to 12 -
Measuring principle
Gel compact electrode with ceramic junction and ion trap for simultaneous measurement of pH, ORP and rH value (in rH mode)
-
Design
All shaft lengths with temperature sensor
Advanced gel technology -
Material
Sensor shaft: Glass to suit process
pH membrane glass: Type B, Type N
Metal lead: Ag/AgCl
Open aperture: Ceramic junction,
zirconium dioxide
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
Application B and H:
0 to 140 ° C (32 to 284 ° F)
Version TB:
0 to 140 ° C (32 to 284 ° F)
Version TU, TP (pressurized reference):
0 to 140 ° C (32 to 284 ° F) (140 ° C (284 ° F) for sterilization only)
maximum 100 ° C (212 ° F) in continuous operation due to increasing
pressure drop at T> 100 ° C (212 ° F) -
Process pressure
Application B: 0.8 to 14 bar (11.6 to 203 psi) absolute
Application H: 0.8 to 7 bar (11.6 to 101,5 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
-
-
Manufacturer Declaration
Product family: Memosens
Chinese version - 10/2021
New version available in English
Product root: CPS16E-, CPS76E-, CPS96E- Declaration number: HE_01506_01.21 Manufacturer specification: RoHS Additional information: China-RoHS
Language:
Chinese
Version:
20/10/2021
File size:
416.6 KB
File name:
HE_01506_01.21_CPSx6E_China-RoH_orange50.pdf
-
-
-
EU Declaration
Product family: Memosens
English version - 10/2024
New version available in English
Product root: CPS11E-, CPS12E-, CPS16E-, CPS31E-, CPS41E-, CPS42E-, CPS61E-, CPS62E-, CPS71E-, CPS72E-, CPS76E-, CPS91E-, CPS92E-, C PS96E- Declaration number: EC_00832_04.24
EN 18/10/2024Language:
English
Version:
18/10/2024
File size:
228.2 KB
File name:
EC_00832_04.24 CPSxxE Ex_.pdf
-
-
-
Technical Information (TI)
TI Memosens CPS76E
-
Technical Information (TI)
English version - 04/2025pH/ORP sensor for process technology
EN 30/04/202527/07/2021Language:
English
Version:
30/04/2025
File size:
856.7 KB
File name:
TI01601CEN_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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