Process Control Instruments, Field Devices and Industrial Automation
SKU# (291)

ENDRESS+HAUSER  CPS96D-7BT21




ENDRESS+HAUSER CPS96D-7BT21 (1)
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EH Memosens CPS96D Digital pH and ORP Memosens glass electrode for heavily soiled or fibrous media. Corrosion, moisture and poison resistant. 145psi max pressure. IP68. ATEX, IECEx, FM and CSA approvals.

Part# with Options:        CPS96D-7BT21
Price with Options:        Please Email us your request for quote   

Options:    

Application Range
(1) Application Range for EH CPS96D
Shaft Length
(2) Shaft Length for EH CPS76D & CPS96D
Approval
(3) Approval for EH CPS96D

  Availability 8 Days  ]

Application
  • Chemical processes
  • Pulp and paper industry
  • Contaminated media and suspended solids
    • Dispersions
    • Precipitation reactions
    • Emulsions

With ATEX, IEC, FM and CSA approval for use in hazardous areas.

Your benefits
  • Simultaneous measurement of pH, ORP and rH value (in rH mode)
  • Additional electrode made of platinum, for measuring reference impedance
  • Open aperture diaphragm enables use in processes containing solids
  • Low-maintenance owing to firm, stabilized gel with good chemical resistance
  • properties
  • Not affected by fluctuations in pressure and temperature
  • Fast response time
  • Integrated temperature sensor for effective temperature compensation
  • Long service life thanks to poison-resistant reference with ion trap
  • Glass breakage and blockage detection by measuring:
    • Resistance of glass membrane
    • Reference impedance
Other advantages of Memosens technology
  • Maximum process safety owing to non-contact, inductive signal transmission
  • Data security thanks to digital data transmission
  • Very easy to use as sensor data saved in the sensor
  • Predictive maintenance possible as sensor load data logged in the sensor
Measuring principle pH measurement

The pH value is used as a unit of measurement for the acidity or alkalinity of a liquid medium. The membrane glass of the electrode supplies an electrochemical potential which is dependent upon the pH value of the medium. This potential is generated by the selective penetration of H + ions through the outer layer of the membrane. An electrochemical boundary layer with an electric potential forms at this point. An integrated Ag/AgCl reference system serves as the required reference electrode.

The transmitter converts the measured voltage into the corresponding pH value using the Nernst equation.

ORP measurement

The ORP potential is a unit of measurement for the state of equilibria between oxidizing and reducing components of a medium. The ORP is measured using a platinum or gold electrode instead of the pH-sensitive glass membrane. Analog to the pH measurement, an integrated Ag/AgCl reference system is used as a reference electrode.

rH measurement

The rH value is defined as the negative logarithm of partial pressure of hydrogen in a solution. The pH value and ORP value of a solution must be measured simultaneously to calculate the rH value. The value is calculated using the following equation:

rH = 2 . (mV/S) + 2 pH
pH = measured pH value
mV = measured ORP value in mV + 207 mV (Ag/AgCl system)
S = slope of pH electrode

The rH value is an indicator of the oxidation or reducing ability of a process solution. The measuring range is from 0 to 42. A process medium with rH values between 0 and 9 has a high reducing ability; a low reducing ability with rH 9-17; an indeterminate ability with rH 17-25; a low oxidation ability with rH 25-34, and a high oxidation ability with rH 34-42.

Measuring system

A complete measuring system comprises:

  • pH/ORP combined electrode CPS96D
  • Transmitter, e.g. Liquiline CM44x
  • Measuring cable CYK10
  • Immersion, fixed installation, flow or retractable assembly, e.g. CPA442

Measuring Principle Glass electrode
Application - Process applications - media with high contamination: emulsions, suspensions, precipitation reactions - min. conductivity >500S/cm
Characteristic - Rapid response - new, stabilised gel insensitive to contaminations
Measurement range pH 0-14
Measuring principle - Open aperture - double gel reference with ion trap Pt-disc as additional ORP element. rH measurment and control of the reference impedance.
Design - All shaft lengths with temperature sensor - advanced gel technology - digital electrode with Memosens technology
Material Glass
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 max. 110C
(230F)
Process pressure max. 10 bar
(145 psi)
temperature sensor NTC 30k
Connection Inductive, contactless connection head with Memosens technology
Ingres protection IP68

  • ANALYSIS > MULTIPARAMETER TRANSMITTERS
    CM442-AAM1A1F010A-AA EH Liquiline CM442 1 or 2 channel digital multiparameter (pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity) transmitter. 2 Memosens inputs, Up to 4 current and 2 relay outputs. IP66+IP67. NEMA Type 4X enclos..


  • ANALYSIS > MULTIPARAMETER TRANSMITTERS
    CM444-AAM20A0F010BAA-AA EH Liquiline CM444 4 channel digital multiparameter (pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity) transmitter. 4 Memosens inputs, up to 8 current and 4 relay outputs. Polycarbonate Housing...


  • ANALYSIS > MULTIPARAMETER TRANSMITTERS
    CM448-AA12A61AABAA-AA EH Liquiline CM448 8 channel digital multiparameter (pH, redox, ISFET, conductivity inductive and conductive, dissolved oxygen, nitrate and turbidity) transmitter. 8 Memosens inputs, up to 8 current and 2 relay outputs. IP67. Polycarbonate Housing...


  • PH ANALIZERS > CABLES
    CYK10-A031 EH CYK10 Memosens Measuring Cable for Digital Sensors. IP68. FM, ATEX and CSA Approvals for Ex...


  • PH & ORP ANALIZERS > ASSEMBLY
    CPA111-00A EH Dipfit CPA111 Universal Immersion assembly for the applications in open and closed tanks. DN100 flange connection. Accepts up to 3 pH and ORP sensors...


  • PH & ORP ANALIZERS > ASSEMBLY
    CPA140-231A110 EH Dipfit CPA140 immersion assembly for applications with aggressive media. Includes flange connection and holder with bayonet lock. Accepts up to 3 pH and ORP sensors...


  • PH & ORP ANALIZERS > ASSEMBLY
    CPA871-AACA1ACB1C EH Cleanfit CPA871 Manual or automatic process retractable compact assembly for the water, wastewater and chemical industries. Suitable for vessels and pipes. Accepts standard 12mm pH and ORP sensors. NPT 1 1/2 or DN40/50/80 Process Connection...


  • PH & ORP ANALIZERS > ASSEMBLY
    CPA472D-A4A1C1D1 EH Cleanfit CPA472D Manual or automatic process retractable heavy-duty assembly for chemical and power industries. Accepts pH and ORP electrodes. DN50/80 Process Connection...


  • PH & ORP ANALIZERS > ASSEMBLY
    CPA473-A3A1A1A7 EH Cleanfit CPA473 Manual or automatic process retractable assembly with ball valve for chemical and industrial wastewater applications. Accepts pH and ORP electrodes. DN50/65 Process Connection...


  • PH & ORP ANALIZERS > ASSEMBLY
    CPA474-A3A1A1G7 EH Cleanfit CPA474 Manual or automatic process retractable assembly with ball valve for chemical and industrial wastewater applications. Accepts pH and ORP electrodes. DN50 Process Connection...


  • PH & ORP ANALIZERS > ASSEMBLY
    CPA875-AAC1E1CA1A1A EH Cleanfit CPA875 Manual or automatic process retractable assembly for sterile and hygienic applications. Accepts standard (12mm) pH, ORP, oxygen and NIR sensors. DN25/50/65/100 Process Connection...


  • PH & ORP ANALIZERS > ASSEMBLY
    CPA450-0B110 EH Cleanfit CPA450 Manual retractable assembly for water & wastewater, chemical, pulp & paper and power industries. Accepts 12mm DO, pH and ORP sensors. DN32 Process Connection...



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