Digital pH sensor Memosens CPS91E
Memosens 2.0 pH electrode for chemical processes and poisoning media
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Field of application
Memosens CPS71E is specially designed for demanding processes. Its unique, contamination-resistant reference and its resistance to moisture ensure reliable measurement even in heavily polluted, aggressive media such as strong acids and bases. Thanks to Memosens 2.0 digital technology, CPS71E offers extended storage of calibration and process data providing the perfect basis for predictive maintenance. Pre-calibration in the lab and quick sensor exchange on site maximize process uptime.
Processes in chemical industry and monitoring of processes with:
With ATEX, IECEx, CSA C/US, NEPSI, Japan, INMETRO approvals for use in hazardous areas, zones 0, 1 and 2.
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Benefits
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The electrode's unique ion trap prevents poisoning of the junction and reference, making it resistant to strong acids and bases and ensuring a long sensor lifetime.
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The optional pressurized reference allows for reliable measurement in blocking media such as dispersions.
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Flexible installation thanks to optional upside-down mounting
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Inductive cable connection and non-contact signal transmission eliminate any problems due to moisture or corrosion and increase process integrity.
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Fast sensor exchange on site reduces process downtime and operating costs.
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Memosens 2.0 digital technology makes trend identification and predictive maintenance possible thanks to its extended storage of calibration and process data. The technology paves the way for advanced IIoT services.
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Application
Process technology and monitoring of processes with:
• Rapidly changing pH values
• High proportion of electrode poisons such as H2S
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Characteristic
Digital pH electrode for chemical process with an ion trap for poison-resistant reference
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Measurement range
Application B:
• pH: 0 to 14
Application H:
• pH: 0 to 12
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Measuring principle
Gel compact electrode with ceramic junction and ion trap
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Design
All shaft lengths with temperature sensor
Advanced gel technology
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Material
Sensor shaft: Glass to suit process
pH membrane glass: Type B, Type N
Metal lead: Ag/AgCl
Open aperture: Ceramic junction, zirconium dioxide
O-ring: FKM
Process coupling: PPS fiber-glass reinforced
Nameplate: Ceramic metal oxide
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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)
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Process temperature
1 to 140 °C (32 to 284 °F)
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Process pressure
0,8 to 14 bar (11,6 to 203 psi) (absolute)
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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.
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Connection
Inductive, contactless connection head with Memosens 2.0 technology
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Additional certifications
Additional certifications
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CPS91D-7BT21 replaced by CPS91E-AA7BTH2
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Basic model
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Orbipore CPS91D Memosens
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Version:
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7
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basic version
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Application Range:
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BT
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0-14pH; 0-110oC; 13 bar; with ion trap
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Shaft Length:
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2
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120mm
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Approval:
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1
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Non-hazardous area
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CPS91E-AA7BTH2
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Approval
AA
Non-hazardous area
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Electrode Type
7
Basic version, zero point pH 7,0,temperature sensor NTC 30k
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Application Range
B
0-14 pH, 0...110oC, 0,8...14 bar (abs)
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Reference System
TH
Open junction, ion trap,3 M KCl, Ag/AgCl
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CPS91D-7BO21 replaced by CPS91E-AA7BHH2
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Basic model
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Orbipore CPS91D Memosens
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Version:
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7
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basic version
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Application Range:
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BO
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0-14pH; 0-110oC.
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Shaft Length:
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2
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120mm
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Approval:
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1
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Non-hazardous area
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CPS91E-AA7BHH2
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Approval
AA
Non-hazardous area
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Electrode Type
7
Basic version, zero point pH 7,0,temperature sensor NTC 30k
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Application Range
B
0-14 pH, 0...110oC, 0,8...14 bar (abs)
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Reference System
HH
Open junction, 3 M KCl, Ag/AgCl
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