GHL Probes & Sensors There are 16 products.

GHL Probes & Sensors

The “Electrodes and sensors” family offers a range of probes/sensors for measuring the most important chemical and physical properties of freshwater and saltwater aquariums.

  • AquaMaxx Magnetic Probe Holder
    Available

    AquaMaxx Magnetic Probe Holder

    Probe Holder is constructed of high quality cell-cast acrylic and utilizes powerful rare-earth magnets that work on aquariums as thick as 1/2". Features two smaller holes for pH/ORP probes and two larger holes for larger-diameter probes; such as the Neptune Apex Temperature Probe. The unique box design with 3 contact points also ensure that the probes are ultra secure and upright when installed.

    Probe Holder is constructed of high quality cell-cast acrylic and utilizes powerful...

    Probe Holder is constructed of high quality cell-cast acrylic and utilizes powerful rare-earth magnets that work on aquariums as thick as 1/2". Features two smaller holes for...

    CA $34.95

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  • GHL pH Electrode
    New! Available

    GHL Redox Electrode

    Redox-electrode, 3 m cable, BNC-plug.

    Redox-electrode, 3 m cable, BNC-plug.

    Redox-electrode, 3 m cable, BNC-plug.

    CA $119.95

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  • pH Electrode
    Available

    GHL pH Electrode

    The pH electrodes are equipped with a gel electrolyte and a ceramic diaphragm, 3 m cable, BNC-plug.

    The pH electrodes are equipped with a gel electrolyte and a ceramic diaphragm, 3 m...

    The pH electrodes are equipped with a gel electrolyte and a ceramic diaphragm, 3 m cable, BNC-plug.

    CA $109.95

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  • GHL Temp Sensor
    Available

    GHL Temp Sensor

    Temperature sensor with Mini-DIN-plug and 3 m cable.

    Temperature sensor with Mini-DIN-plug and 3 m cable.

    Temperature sensor with Mini-DIN-plug and 3 m cable.

    CA $89.95

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  • GHL Conductivity Electrode Platinum
    New! Available

    GHL Conductivity Electrode Platinum

    Conductivity electrode platinum, BNC, 3m cable, for fresh water + salt water.Longlife platinum electrode, suitable for fresh water and marine water, 3 m cable, BNC-plug. 

    Conductivity electrode platinum, BNC, 3m cable, for fresh water + salt water.Longlife...

    Conductivity electrode platinum, BNC, 3m cable, for fresh water + salt water.Longlife platinum electrode, suitable for fresh water and marine water, 3 m cable, BNC-plug. 

    CA $279.95

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  • GHL Level Sensor Floater
    Available

    GHL Level Sensor Floater

    Level sensor, Floater with PS/2-plug and 3 m cable. For vertical mounting only (sensor fastener PL-LF-S8).

    Level sensor, Floater with PS/2-plug and 3 m cable. For vertical mounting only (sensor...

    Level sensor, Floater with PS/2-plug and 3 m cable. For vertical mounting only (sensor fastener PL-LF-S8).

    CA $54.95

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  • GHL Spare null plug Redox
    CA $5.95

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  • GHL Calibration Fluid Redox 220 mV
    Available

    GHL Calibration Fluid Redox 220 mV

    Calibration fluid Redox 220mV50ml

    Calibration fluid Redox 220mV50ml

    Calibration fluid Redox 220mV50ml

    CA $15.95

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  • GHL Calibration Fluid Conductivity 50 mS
    Available

    GHL Calibration Fluid Conductivity 50 mS

    Calibration fluid conductivity 50mS/cm50ml

    Calibration fluid conductivity 50mS/cm50ml

    Calibration fluid conductivity 50mS/cm50ml

    CA $14.95

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