GHL Probes & Sensors There are 13 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.

  • PINPOINT® High-Precision Calibration Fluids - pH 7
    Available

    PINPOINT® High-Precision Calibration Fluids - pH 7

    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration (about 30 ml).  All electronic pH instruments should be calibrated monthly.

    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are...

    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration...

    CA $1.45

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  • PINPOINT® High-Precision Calibration Fluids - pH 7
    Available

    PINPOINT® High-Precision Calibration Fluids - pH 10

    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration (about 30 ml).  All electronic pH instruments should be calibrated monthly.

    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are...

    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration...

    CA $1.45

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  • PINPOINT® High-Precision Calibration Fluids - pH 7
    Available

    PINPOINT® High-Precision Calibration Fluids - pH 4

    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration (about 30 ml).  All electronic pH instruments should be calibrated monthly.

    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are...

    PINPOINT® High-Precision pH Calibration Fluids come in plastic envelope packets and are extremely accurate and field portable. Each packet contains ample fluid for calibration...

    CA $1.45

    Add to cart
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  • PINPOINT® High-Precision Calibration Fluids - pH 4
    Available

    PINPOINT® High-Precision Calibration Fluids - ORP (Redox)

    Another American Marine first. ORP/REDOX calibration fluid. With a precise measurement of 400mV this calibration fluid is included with every ORP Monitor and ORP Controller. Occasional retesting with this fluid will keep your readings dead-on accurate. Also very useful to determine if an ORP/REDOX probe is ready for replacement.

    Another American Marine first. ORP/REDOX calibration fluid. With a precise measurement...

    Another American Marine first. ORP/REDOX calibration fluid. With a precise measurement of 400mV this calibration fluid is included with every ORP Monitor and ORP Controller....

    CA $4.45

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  • 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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  • 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 $99.95

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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 $81.95

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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 $49.95

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  • GHL Spare null plug Redox
    CA $5.95

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