Process Control Instruments, Field Devices and Industrial Automation
ENDRESS+HAUSER COS51D-AS800 (1)
  • Overview
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EH Oxymax COS51D digital memosens amperometric sensor for the measurment of Oxygen (O2) in water, wastewater and utilities applications. Corrosion and moisture resistant. 0 to 2000 hPa measuring range. Thread NPT 3/4 Head. POM sensor body and membrane cap.

Part# with Options:        COS51D-AS800
Price with Options:        Please Email us your request for quote   

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Approval
(1) Approval for EH Oxymax COS51D
Membrane Cap
(2) Membrane Cap for EH Oxymax COS51D

  Availability 5 Days  ]

Application

The continuous measurement of the dissolved oxygen concentration is very important in many areas of water management:

  • Sewage treatment plants:Oxygen measurement and regulation in the activated sludge basin for a highly efficient biological cleaning process
  • Water monitoring: Oxygen measurement in rivers, lakes or seas as an indicator of the water quality
  • Water treatment: Oxygen measurement for status monitoring of drinking water for example (oxygen enrichment, corrosion protection etc.)
  • Fish farming: Oxygen measurement and regulation for optimum living and growth conditions
Your benefits
  • Sensor with digital data transmission:
    • Storage of calibration data in sensor
    • Insensitive to electromagnetic interferences thanks to digital communication to the transmitter
  • Maximum measurement accuracy:
    • Longterm-stable measurement thanks to potentiostatic amperometric three-electrode system
    • Long maintenance intervals
    • Intelligent sensor self monitoring
  • Membrane covered sensor, i.e.:
    • high O 2 selectivity
    • Minimum maintenance effort
    • Minimum calibration effort thanks to simple calibration in air
Further benefits offered by Memosens technology
  • Maximum process safety through contactless inductive signal transmission
  • Data safety through digital data transmission
  • Easy handling thanks to storage of sensor-specific data in the sensor
  • Predictive maintenance possible
Measuring principle

The oxygen molecules diffused through the membrane are reduced to hydroxide ions (OH-) at the cathode. Silver is oxidized to silver ions (Ag+) at the anode (this forms a silver halogenide layer).

A current flows due to the electron donation at the cathode and the electron acceptance at the anode. Under constant conditions, this flow is proportional to the oxygen content of the medium.

This current is converted in the transmitter and indicated on the display as an oxygen concentration in mg/l, μg/l, ppm, ppb or Vol%, as a saturation index in % SAT or as an oxygen partial pressure in hPa.

Measuring Principle Sensor Oxygen
Application Aeration tank, river monitoring, water treatment, fish farming.
Characteristic Amperometric 3-electrode sensor to measure dissolved oxygen.
Measurement range 0,01 - 100mg/l
Measuring principle Closed membrane covered amperometric 3-electrode system.
Design digital signal transmission
Storage of the calibration datas in the sensor.
Material Sensor body : POM
Membrane cap : POM
Dimension Diameter : 40mm
(1.56inch)Length : 220mm
(8.58inch)
Process temperature max. 50C
(max.122F)
Process pressure max. 10bar
(max.145psi)
Connection - Memosens connector- Process : G1" , NPT3/4

  • 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. ..

  • ANALYSIS > TRANSMITTERS
    CM42-CAA000EAE00 EH Liquiline M CM42 Two-wire transmitter for Ex and non-Ex areas. One or two analog outputs. FOUNDATION Fieldbus, PROFIBUS PA and HART protocols. ATEX, FM, CSA, NEPSI and TIIS Approvals. ..

  • OXYGEN ANALIZERS > ASSEMBLY
    COA250-A EH Cleanfit COA250 flow assembly for Dissolved Oxygen sensors. Wall mounting or unsupported installation in pipes. PVC Material. 871 psi max pressure. ..

  • OXYGEN ANALIZERS > ASSEMBLY
    COA451-A1A EH Cleanfit COA451 manually operated retractable assembly for Dissolved Oxygen sensors. Includes stop bolt, O-ring seals and a ball valve. Stainless Steel Holder. ..


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