GHL Probes & Sensors There are 11 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

    Add to cart
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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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  • 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 Spare null plug Redox
    CA $5.95

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  • GHL Calibration Fluid Redox 220 mV
    New! Available

    GHL Calibration Fluid Redox 220 mV

    Calibration fluid Redox 220mV50ml

    Calibration fluid Redox 220mV50ml

    Calibration fluid Redox 220mV50ml

    CA $13.95

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  • GHL Calibration Fluid Conductivity 50 mS
    New! Available

    GHL Calibration Fluid Conductivity 50 mS

    Calibration fluid conductivity 50mS/cm50ml

    Calibration fluid conductivity 50mS/cm50ml

    Calibration fluid conductivity 50mS/cm50ml

    CA $12.95

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