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CO / Carbon Monoxide Detectors

These testers are specifically designed for detecting the presence of carbon monoxide (CO), measuring CO levels and for alerting the user to spikes in the hazardous gas. Ideal for any application where carbon monoxide is present. Read More about CO / Carbon Monoxide Detectors
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16 Products
  1. UNI-T UT337A Carbon Monoxide Meter
    UNI-T logo
    In Stock
    UNI-T UT337A Carbon Monoxide Meter
    (1)
    £95.99 £79.99
    • Measurements of CO from 0 to 1000ppm
    • High accuracy sensor
    • Portable design
    79 Reward Points
    Price Match Guarantee
    UT337A
  2. Extech CO15 Carbon Monoxide Meter
    Extech logo
    Lead Time: 1-2 Weeks
    Extech CO15 Carbon Monoxide Meter
    (no reviews)
    £130.08 £108.40
    • Can detect carbon monoxide up to 999ppm
    • User adjustable carbon monoxide alarm
    • Long life electrochemical sensor 
    108 Reward Points
    Price Match Guarantee
    CO15
  3. Kane 78 iD-Safe Personal CO Alarm & ID Holder
    Kane logo
    2 In Stock
    Kane 78 iD-Safe Personal CO Alarm & ID Holder
    (no reviews)
    £143.88 £119.90
    • A combined ID holder and carbon monoxide monitor
    • Battery life: 2 years in normal operation; 2800 hours in alarm
    • CO detection range: 0-300 ppm
    119 Reward Points
    Price Match Guarantee
    KANE78
  4. Testo 317-3 Carbon Monoxide Detector
    Testo logo
    Only 1 In Stock
    Testo 317-3 Carbon Monoxide Detector
    (2)
    £148.92 £124.10
    • Programmable audio and visual alarms
    • Continuous self-check
    • Belt clip for hands-free use
    124 Reward Points
    Price Match Guarantee
    06323173
  5. Martindale CO190 Temperature & Carbon Monoxide (CO) Meter
    Martindale logo
    Lead Time: 1-6 Days
    Martindale CO190 Temperature & Carbon Monoxide (CO) Meter
    (no reviews)
    £150.00 £125.00
    • Gas detector optimised for measuring CO levels as well as temperatures
    • CO readings are accompanied by an audible indication that increases in frequency as the CO concentration intensifies
    • Hold, Max, and adjustable alarm functions
    125 Reward Points
    Price Match Guarantee
    MARCO190
  6. TPI 770 Carbon Monoxide Detector
    TPI logo
    Lead Time: 1-6 Days
    TPI 770 Carbon Monoxide Detector
    (1)
    £170.40 £142.00
    • 0 to 999ppm range
    • Designed purely for detecting carbon monoxide
    • Handheld and portable
    142 Reward Points
    Price Match Guarantee
    TPI-770
  7. KIMO CO110 Carbon Monoxide (CO) Meter
    Sauermann / KIMO logo
    KIMO CO110 Carbon Monoxide (CO) Meter
    (no reviews)
    £248.29 £206.91
    • Measure ambient carbon monoxide content in air
    • Flexible CO sensor - attaches to main instrument by cable
    • Also measures ambient air temperature
    206 Reward Points
    Price Match Guarantee
    K-CO110
  8. Extech CO10 Carbon Monoxide (CO) Meter
    Extech logo
    Lead Time: 1-2 Weeks
    Extech CO10 Carbon Monoxide (CO) Meter
    (1)
    £262.92 £219.10
    • Easy to read 1999 count backlit displays CO levels from 0 to 1000ppm
    • 1ppm resolution with °5% or °10ppm basic accuracy (whichever is greater)
    • Utilizes a stabilized electrochemical gas specific (CO) fast response sensor
    219 Reward Points
    Price Match Guarantee
    CO10
  9. Fluke CO-205 Aspirator Kit
    Fluke logo
    Fluke CO-205 Aspirator Kit
    (no reviews)
    £269.04 £224.20
    • Draw flue gas samples up to 700 degrees Fahrenheit (370 celsius) 
    • Samples are measured using a Fluke CO-210 Carbon Monoxide Probe or Fluke CO-220 Carbon Monoxide Meter
    • Comes with stainless steel sampling tube, four inch hose and nose cap
    224 Reward Points
    Price Match Guarantee
    FLUENV3
  10. Kane 79 Wireless CO Monitor
    Kane logo
    Lead Time: 1-2 Weeks
    Kane 79 Wireless CO Monitor
    (no reviews)
    £279.48 £232.90
    • Range: 0 to 999ppm
    • Test up to four rooms simultaneously
    • Colour-coded alarm (green, yellow, and red)
    232 Reward Points
    Price Match Guarantee
    KANE79
  11. Chauvin Arnoux CA895 Carbon Monoxide (CO) Gas Detector
    Chauvin Arnoux logo
    Free UK Delivery
    Chauvin Arnoux CA895 Carbon Monoxide (CO) Gas Detector
    (no reviews)
    £304.80 £254.00
    • Protect yourself from dangerous CO gas
    • Highly accurate and reliable
    • Features a beep function that activates if danger is detected
    254 Reward Points
    Price Match Guarantee
    P01651001Z
  12. Testo 315-4 Carbon Monoxide (CO) Meter
    Testo logo
    Lead Time: 1-6 Days
    Free UK Delivery
    Testo 315-4 Carbon Monoxide (CO) Meter
    (no reviews)
    £399.84 £333.20
    • Precise measurements of carbon monoxide (CO) content in ambient air
    • Programmable optical and audible alarm limits
    • MAX/MIN and data hold functions included
    333 Reward Points
    Price Match Guarantee
    06323155
  13. Testo 315-3 CO and CO2 Monitor – Optional Bluetooth
    Testo logo
    1 Option in Stock
    Free UK Delivery
    Testo 315-3 CO and CO2 Monitor – Optional Bluetooth
    (no reviews)
    £779.28 £649.40
    • Conduct quick, simple and DIN EN 50543 compliant CO and CO2 measurements
    • Ideal for measuring heating systems and ventilation ducts
    • Available in two models 
    649 Reward Points
    Price Match Guarantee
    TESTO-315-3
  14. Fluke CO-220 Carbon Monoxide Meter
    Fluke logo
    Free UK Delivery
    Fluke CO-220 Carbon Monoxide Meter
    (no reviews)
    £796.80 £664.00
    • Can measure 0 to 1000ppm for extreme accuracy
    • High-quality, backlit LCD screen gives maximum clarity
    • Comes with convenient carry case to increase portability
    664 Reward Points
    Price Match Guarantee
    FLUENV2
  15. Wöhler A 450 L 5.000 ppm CO-Sensor
    Wöhler logo
    Free UK Delivery
    Wöhler A 450 L 5.000 ppm CO-Sensor
    (no reviews)
    £1,110.00 £925.00
    • Automatic calculation
    • Differential - Thermometer and manometer
    • Eye-catching, robust housing
    925 Reward Points
    Price Match Guarantee
    WO4503
  16. Kane EGA-5 Exhaust Gas Analyser
    Kane logo
    Free UK Delivery
    Kane EGA-5 Exhaust Gas Analyser
    (no reviews)
    £2,746.80 £2,289.00
    • Measures CO, CO2, O2, and HC
    • NDIR sensors ensure accuracy, deliver fast warm-up, & meet official test standards
    • Rugged, portable design with a protective rubber sleeve
    2289 Reward Points
    Price Match Guarantee
    KANEKEGA5

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About CO / Carbon Monoxide Detectors

Carbon monoxide (commonly abbreviated as CO) is a colourless, invisible, and harmful gas. Due to its toxic nature and invisibility, being forewarned against the presence of this gas is essential, particularly in environments where the gas is regularly used.

A CO detector can vary greatly in design and suitability. Some items are small-size, pen-shaped instruments that simply alert the user to CO presence, while others are advanced meters with specialist probes designed for checking the level of carbon monoxide within an appliance such as a flue.

The abilities of the detector will also vary depending on the model. Some basic instruments are designed purely as an indicator with audible/visual signals, while others include an LCD screen that shows the ppm value of CO in the atmosphere. Many instruments also include both of these abilities.

At PASS, we stock popular and industry-leading models from renowned gas equipment manufacturers such as Fluke, Kane, and Testo for highly competitive prices.