CriticalTool brings in line quality Gas Detection and Monitoring Equipment for reliable detection of potentially hazardous situations brought about by toxic gases. Ensure maximum safety of workers and work facilities with economical and impact-resistant detectors for O2, LEL, CO, NH3, H2S and more. We carry supplies from industry-leading manufacturers like Honeywell and MSA.

        Check out our Gas Detection and Monitoring equipment by clicking on products below or by using the filter on the left to browse according to your needs.  

 For further assistance, feel free to contact our professional equipment experts through our live chat, our contact form, or by reaching us at  800-511-8652.

9 Products found
Result 1- 9 of 9
# 10154079

  • Free Shipping!
  • Ammonia Detector
  • Excellent impact resistance
  • Clear LCD Screen


# 10116927

  • Free Shipping!
  • Monochrome display
  • 18 language options
  • Large buttons for easy operation
  • Tests levels of LEL, oxygen, carbon monoxide, hydrogen sulfide and sulfur dioxide


# 10074137

  • Free Shipping!
  • Oxygen Detector
  • Excellent impact resistance
  • Clear LCD Screen


# 54-45-01V

  • Free Shipping!
  • CO Single Sensor
  • One button automatic calibration
  • Easy to read display


# 10116928

  • Free Shipping!
  • Color display
  • 18 language options
  • Large buttons for easy operation
  • Tests levels of LEL, oxygen, carbon monoxide and hydrogen sulfide


# 10116926

  • Free Shipping!
  • Monochrome display
  • 18 language options
  • Large buttons for easy operation
  • Tests levels of LEL, oxygen, carbon monoxide and hydrogen sulfide


# 10110444

  • Free Shipping!
  • Tests for LEL & oxygen
  • Rugged Charcoal housing, designed to withstand drop up to 20 ft.
  • Features 95+ db alarm and ultra-bright LEDs


# 10110443

  • Free Shipping!
  • Tests for LEL, oxygen and carbon monoxide
  • Rugged Charcoal housing, designed to withstand drop up to 20 ft.
  • Features 95+ db alarm and ultra-bright LEDs


# 10092523

  • Free Shipping!
  • Sensor for O2
  • Electrochemicals sensors
  • No-miss triple alarm system including flashing LED's, audible alarm, and internal vibrating alarm
  • Rubberized housing
  • One button operation
  • HazMat fee included in price