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Industrial Refrigeration Parts - In-Stock & Ready to Ship Across Canada & the US
Industrial Refrigeration Parts - In-Stock & Ready to Ship Across Canada & the US

Gas Detector Replacement Sensors & Cells

Shop gas detector replacement sensors and cells from top brands like CTi, designed for a wide range of industrial applications. Whether you need electrochemical, catalytic, or explosion-proof sensors, our products ensure precise gas detection for gases like ammonia, carbon monoxide, and nitrogen dioxide. These high-performance replacements are engineered to maintain the safety and reliability of your gas detection systems.

  • CTI GG-LEL2-NH3-RS Replacement Sensor Element, Ammonia (NH3), for GG-LEL2

    Calibration Technologies (CTI)
    Original price $772.17 - Original price $772.17
    Original price
    $772.17
    $772.17 - $772.17
    Current price $772.17
    In stock

    The CTI GG-LEL2-NH3-RS Replacement Sensor Element is designed for ammonia (NH3) detection in the GG-LEL2 gas sensor. It ensures continued accurate ...

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  • CTI GG-LEL-RS Replacement LEL Sensor Element, for GG-LEL Series Sensors

    Calibration Technologies (CTI)
    Original price $650.25 - Original price $650.25
    Original price
    $650.25
    $650.25 - $650.25
    Current price $650.25
    In stock

    The CTI GG-LEL-RS Replacement Sensor Element is designed for use with GG-LEL Series Sensors. It ensures continued accurate gas monitoring by replac...

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  • CTI GG-H2S-RC-EXP Replacement Electrochemical Cell, Hydrogen Sulfide (H2S), 0-50ppm, Explosion Proof

    Calibration Technologies (CTI)
    Original price $772.17 - Original price $772.17
    Original price
    $772.17
    $772.17 - $772.17
    Current price $772.17
    In stock

    The CTI GG-H2S-RC-EXP Replacement Electrochemical Cell is designed for hydrogen sulfide (H2S) detection in explosion-proof applications. It has a d...

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  • CTI GG-H2S-RC Replacement Electrochemical Cell, Hydrogen Sulfide (H2S), Ribbon Cable

    Calibration Technologies (CTI)
    Original price $592.79 - Original price $592.79
    Original price
    $592.79
    $592.79 - $592.79
    Current price $592.79
    In stock

    The CTI GG-H2S-RC Replacement Electrochemical Cell is designed for hydrogen sulfide (H2S) detection and comes with a ribbon cable for easy installa...

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  • CTI GG-H2-EC-RC-EXP Replacement Sensor Element, Hydrogen (H2), Explosion Proof

    Calibration Technologies (CTI)
    Original price $772.17 - Original price $772.17
    Original price
    $772.17
    $772.17 - $772.17
    Current price $772.17
    In stock

    The CTI GG-H2-EC-RC-EXP Replacement Sensor Element is designed for detecting hydrogen (H2) in explosion-proof applications. It ensures accurate gas...

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  • CTI GG-H2-EC-RC Replacement Electrochemical Cell, Hydrogen (H2)

    Calibration Technologies (CTI)
    Original price $592.79 - Original price $592.79
    Original price
    $592.79
    $592.79 - $592.79
    Current price $592.79
    In stock

    The CTI GG-H2-EC-RC Replacement Electrochemical Cell is designed for hydrogen (H2) detection and ensures continued accurate gas monitoring by repla...

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  • CTI GG-H2-CB-RS Replacement Catalytic Bead Sensor, Hydrogen (H2)

    Calibration Technologies (CTI)
    Original price $612.41 - Original price $612.41
    Original price
    $612.41
    $612.41 - $612.41
    Current price $612.41
    In stock

    The CTI GG-H2-CB-RS Replacement Catalytic Bead Sensor is designed for detecting hydrogen (H2) and ensures continued accurate gas monitoring by repl...

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  • CTI GG-H2-CB-1-RS-EXP Replacement Sensor, Hydrogen (H2), 0-1%, Catalytic Bead, Explosion Proof

    Calibration Technologies (CTI)
    Original price $772.17 - Original price $772.17
    Original price
    $772.17
    $772.17 - $772.17
    Current price $772.17
    In stock

    The CTI GG-H2-CB-1-RS-EXP Replacement Sensor is designed for detecting hydrogen (H2) at concentrations up to 1%. It features a catalytic bead senso...

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  • CTI GG-CO-RC-EXP Replacement Electrochemical Cell, Carbon Monoxide (CO), Explosion Proof

    Calibration Technologies (CTI)
    Original price $772.17 - Original price $772.17
    Original price
    $772.17
    $772.17 - $772.17
    Current price $772.17
    In stock

    The CTI GG-CO-RC-EXP Replacement Electrochemical Cell is designed for carbon monoxide (CO) detection in explosion-proof applications. It ensures co...

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  • CTI GG-CO-RC Replacement Electrochemical Cell, Carbon Monoxide (CO), Ribbon Cable

    Calibration Technologies (CTI)
    Original price $592.79 - Original price $592.79
    Original price
    $592.79
    $592.79 - $592.79
    Current price $592.79
    In stock

    The CTI GG-CO-RC Replacement Electrochemical Cell is designed for carbon monoxide (CO) detection. It ensures continued accurate gas monitoring by r...

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  • CTI GG-CL2-RC-EXP Replacement Electrochemical Cell, Chlorine (Cl2), Explosion Proof

    Calibration Technologies (CTI)
    Original price $772.17 - Original price $772.17
    Original price
    $772.17
    $772.17 - $772.17
    Current price $772.17
    In stock

    The CTI GG-CL2-RC-EXP Replacement Electrochemical Cell is designed for chlorine (Cl2) detection in explosion-proof applications. It ensures continu...

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  • CTI GG-CL2-B-RC Replacement Electrochemical Cell, Chlorine (Cl2)

    Calibration Technologies (CTI)
    Original price $594.20 - Original price $594.20
    Original price
    $594.20
    $594.20 - $594.20
    Current price $594.20
    In stock

    The CTI GG-CL2-B-RC Replacement Electrochemical Cell is designed for chlorine (Cl2) detection. It ensures continued accurate gas monitoring by repl...

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  • CTI EC-P1-NH3-RC Replacement Sensor Cell, NH3, for EC-P1 Portable

    Calibration Technologies (CTI)
    Original price $741.94 - Original price $741.94
    Original price
    $741.94
    $741.94 - $741.94
    Current price $741.94
    In stock

    The CTI EC-P1-NH3-RC Replacement Sensor Cell is designed for ammonia (NH3) detection in the EC-P1 Portable Gas Detector. Keep your device operation...

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  • CTI BW-O2-RC Replacement Oxygen Sensor for BW GasAlert Portables

    Calibration Technologies (CTI)
    Original price $267.17 - Original price $267.17
    Original price
    $267.17
    $267.17 - $267.17
    Current price $267.17
    In stock

    The CTI BW-O2-RC is a replacement oxygen sensor compatible with all current BW GasAlert portable gas detectors, ensuring continued accuracy and rel...

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  • CTI BW-M5-TwinTox-RC Replacement H2S/CO Cell

    Calibration Technologies (CTI)
    Original price $1,014.21 - Original price $1,014.21
    Original price
    $1,014.21
    $1,014.21 - $1,014.21
    Current price $1,014.21
    In stock

    The CTI BW-M5-TwinTox-RC is a replacement H2S and CO sensor cell for BW GasAlert Micro5 detectors, ensuring accurate detection of hydrogen sulfide ...

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  • CTI BW-M5-SO2-RC Replacement Sulfur Dioxide Sensor Cell

    Calibration Technologies (CTI)
    Original price $1,106.11 - Original price $1,106.11
    Original price
    $1,106.11
    $1,106.11 - $1,106.11
    Current price $1,106.11
    In stock

    The CTI BW-M5-SO2-RC is a replacement sulfur dioxide sensor cell for BW GasAlert Micro5 detectors, ensuring continued accurate detection of SO2. Co...

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  • CTI BW-M5-PID-ES Replacement Electrode Stack for PID Sensor

    Calibration Technologies (CTI)
    Original price $108.91 - Original price $108.91
    Original price
    $108.91
    $108.91 - $108.91
    Current price $108.91
    In stock

    The CTI BW-M5-PID-ES is a replacement electrode stack for PID sensors used in BW GasAlert Micro5 detectors, ensuring the continued effectiveness of...

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  • CTI BW-M5-O3-RC Replacement Ozone Electrochemical Cell

    Calibration Technologies (CTI)
    Original price $1,381.78 - Original price $1,381.78
    Original price
    $1,381.78
    $1,381.78 - $1,381.78
    Current price $1,381.78
    In stock

    The CTI BW-M5-O3-RC is a replacement ozone electrochemical cell for BW GasAlert Micro5 detectors, designed to ensure accurate ozone detection in va...

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  • CTI BW-M5-Cl2-RC Replacement Chlorine Cell for BW GasAlert Micro5

    Calibration Technologies (CTI)
    Original price $968.26 - Original price $968.26
    Original price
    $968.26
    $968.26 - $968.26
    Current price $968.26
    In stock

    The CTI BW-M5-Cl2-RC is a replacement chlorine sensor cell for BW GasAlert Micro5 detectors, ensuring accurate and reliable chlorine gas detection....

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  • CTI BW-GA-LEL-RS LEL Sensor for BW GasAlert Micro5

    Calibration Technologies (CTI)
    Original price $496.89 - Original price $496.89
    Original price
    $496.89
    $496.89 - $496.89
    Current price $496.89
    In stock

    The CTI BW-GA-LEL-RS is a replacement LEL (Lower Explosive Limit) sensor for BW GasAlert Micro5 detectors, designed to ensure the accurate detectio...

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  • BW Portable O2 Sensor for Ultra and Solo

    Calibration Technologies (CTI)
    Original price $481.58 - Original price $481.58
    Original price
    $481.58
    $481.58 - $481.58
    Current price $481.58
    In stock

    This portable O2 sensor is compatible with both the BW Ultra and BW Solo devices. It ensures accurate oxygen detection in various environments, enh...

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  • BW Portable LEL Sensor for Ultra and Solo

    Calibration Technologies (CTI)
    Original price $454.36 - Original price $454.36
    Original price
    $454.36
    $454.36 - $454.36
    Current price $454.36
    In stock

    The BW Portable LEL (Lower Explosive Limit) sensor is designed for use with BW Ultra and BW Solo devices. It provides reliable detection of explosi...

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  • BW Portable H2S Sensor for Ultra and Solo

    Calibration Technologies (CTI)
    Original price $600.70 - Original price $600.70
    Original price
    $600.70
    $600.70 - $600.70
    Current price $600.70
    In stock

    This portable H2S (Hydrogen Sulfide) sensor is compatible with BW Ultra and BW Solo devices. It provides reliable detection of hydrogen sulfide, he...

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  • BW Sensor Cell Ammonia for BW Solo and Gas Alert Extreme

    Calibration Technologies (CTI)
    Original price $1,106.11 - Original price $1,106.11
    Original price
    $1,106.11
    $1,106.11 - $1,106.11
    Current price $1,106.11
    In stock

    The BW Sensor Cell for ammonia is designed for use with BW Solo and Gas Alert Extreme devices. It provides precise ammonia detection, essential for...

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Frequently Asked Questions (FAQs) about Gas Replacement Sensors & Cells

What are gas detector replacement sensors?

Gas detector replacement sensors are components designed to replace worn-out or expired sensors in gas detection systems. They ensure continued accuracy and reliability in detecting target gases.

How do I know when to replace a gas detector sensor?

Gas detector sensors should be replaced according to the manufacturer’s recommended lifespan or if the device shows reduced accuracy, delayed response times, or calibration issues.

Are replacement sensors compatible with all gas detectors?

No, replacement sensors are specific to the brand and model of your gas detector. Always check compatibility before purchasing a replacement sensor.

What types of gases can replacement sensors detect?

Replacement sensors are available for detecting a wide range of gases, including ammonia (NH3), carbon monoxide (CO), nitrogen dioxide (NO2), sulfur dioxide (SO2), and more, depending on the sensor type.

How often should gas detector sensors be replaced?

The replacement frequency depends on the sensor type and operating environment. Most sensors last 1 to 3 years, but consult the manufacturer’s guidelines for specific recommendations.

Are explosion-proof sensors necessary?

Explosion-proof sensors are essential in hazardous environments where flammable gases or vapors are present. These sensors are designed to prevent sparks or heat from causing ignition.

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