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Reflective pH Sensors
    Reflective pH Sensors
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    • Reflective pH Sensors

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      Product Code: REFLECTIVEPHSENSORS
      Vendor: Ocean Optics
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    Ocean Optics Non-Intrusive Reflective pH Sensors

    Ocean Optics’ new non-intrusive reflective pH technology comes as the next evolution of their pH sensing product line. Previous pH sensor products have been based on colorimetric transmissive measurements, and have therefore fallen susceptible to ambient light interferences and sample color or turbidity effects.

    Ocean Optics new approach uses electroformed mesh to metallize the pH sensor material, providing an optically reflective yet ion permeable membrane between the sensor and the environment.

    The electroforming process creates highly precise mesh sheets through atom-by-atom electrodeposition in a plating bath. The hole and wire sizes that can be achieved are on the order of a few microns, with sub-micron repeatability.

    This novel technique is ideal for our colorimetric sensor applications.

    This new form factor allows for non-intrusive pH measurement through the optically clear wall of a container using one of several available reflection probes. The patches are self-adhesive, and will firmly hold to both glass and plastic during long-term exposure in aqueous environments. A schematic is shown below of how the multi-layer patches are assembled.

     

    Electronics:
    • NeoFox Oxygen Sensors System
    • Neofox Sport Oxygen Sensors System
    Probes:
    • O2 Probes
    • O2 Patches
    • pH Patches
    • Smart pH Cuvettes
    • pH Probes
    O2 Formulations:
    • HIOXY
    • FOSPOR
    • FOXY
    Kits:
    • FoxyKit Oxygen Sensor Patch Kit
    • FoxyKit Oxygen Sensor Probe Kit
    Software:
    • NeoFox Viewer
    Technical:
    • Fiber Optic Oxygen Sensors Versus Commercial Electrodes
     
    Applications:
    • Environmental research
    • Food and beverage processing
    • Pharmaceutical and chemical processing
     
    Specifications:
    pH Range: 5 - 9
    Temperature Range: -6 - 60 °C
    Analytical Wavelength: 617 nm
    Baseline Correction Wavelengths: 509 nm (isosbestic) or 800 nm
    User Calibration Accuracy: Up to 2% of reading
    Factory Reset Accuracy: 0% at reset point
    1% within 1 pH unit of reset
    Up to 4% at 3 pH units from reset
    Resolution: ~0.03 pH unit in most cases
    Response Time (t90): 30 seconds
    Calibration Requirements (minimum): Factory Calibration: 3 buffers
    User Calibration: 5 or 6 buffers
    Sterilization: Gamma, EtO
    Acceptable Probes: 3-Around-1 Angled
    RE-CIFBORO
    R200/400/600-7

     

     
    SetUp :
    • USB4000-FL
    • Light Source (350-1000 nm)
    • Probes (R1000-4- Reflection Probes)
    • pH Patches (PH-BCG-REFLECT) pack of 5
    Sample Spectra :

    Demonstration of color immunity of reflective patch