Certified Pre-Owned Gas Monitors

Get the World’s Most Reliable Gas Monitors at an Exceptional Value

Every Industrial Scientific CPO monitor gives you virtually all of the durability, reliability, and dependable performance of a brand-new monitor. You can be assured that the monitor you receive as been scrutinized to the exacting standards you would expect from Industrial Scientific.

Only instruments that pass a rigorous multi-point inspection, including intrinsic safety approvals, are included in this program. Our CPO instruments are certified once they pass a factory inspection checklist to ensure that all components perform as originally designed, and then are backed by a one-year warranty.

Wondering if a Certified Pre-Owned instrument is right for your operations? To request a quote, please call (800) 338-3287 or complete the form on this page today!


 
PDF CPO Brochure - USD$

GasBadge Pro - Single Gas Monitor

GasBadge® Pro provides a lifetime of gas hazard protection with more features than any other single gas monitor available. Interchangeable “smart” sensors enable the GasBadge Pro to be quickly adapted to monitor unsafe levels of oxygen or any one of ten toxic gases. Housed in a rugged enclosure, the monitor is immune to RF, water resistant and extremely durable.


  • Intuitive 4-Button Navigation
  • One-Year Warranty
  • Interchangeable Sensors
  • O2 Sensor – 6 Months Old or Newer

 
PDF CPO GasBadge Pro - USD$
 
PDF CPO GasBadge Pro - CDN$

MX6 - Multi Gas Monitor

The MX6 iBrid® is more than an intelligent hybrid of Industrial Scientific’s best monitoring technologies—it’s the most adaptable six-gas monitor on the market. The MX6 iBrid uses five sensor slots to detect up to six gases. Each of those slots accepts a variety of sensors, which means you can use the instrument with a PID sensor one day and an infrared sensor the next. Settings allow you to adapt the instrument’s behavior based on your application.


  • Personal or Confined Space Monitoring
  • 1-6 Gas Monitor
  • Full-Color LCD Display
  • 24 Sensor Options Including PID and IR
  • O2 Sensor – 6 Months Old or Newer
  • Ideal for Electrical/Gas Utilities, Steel Production, Oil & Gas, Chemical, Fire Services, Mining, and Water/Waste Water Treatment

 
PDF CPO iBrid MX6 - USD$
 

Ventis MX4 - Multi Gas Monitor

When you need a 4-gas monitor that will adapt to meet your needs, Ventis® MX4 is there. The lightweight instrument offers the portability and size of a single-gas instrument while delivering multi-gas protection.


  • Personal or Confined Space Monitoring
  • Monitors 1-4 Gases
  • Configures With or Without a Pump
  • Available With a Black or Safety Orange Overmold
  • O2 Sensor – 6 Months Old or Newer
  • Ideal for Electrical/Gas Utilities, Steel Production, Oil & Gas, Chemical, Fire Services, and Water/Waste Water Treatment

 
PDF CPO Ventis MX4 - USD$
 

GasBadge Pro - Single Gas Monitor

GasBadge® Pro provides a lifetime of gas hazard protection with more features than any other single gas monitor available. Interchangeable “smart” sensors enable the GasBadge Pro to be quickly adapted to monitor unsafe levels of oxygen or any one of ten toxic gases. Housed in a rugged enclosure, the monitor is immune to RF, water resistant and extremely durable.


  • Intuitive 4-Button Navigation
  • One-Year Warranty
  • Interchangeable Sensors
  • O2 Sensor – 6 Months Old or Newer

 
PDF CPO GasBadge Pro - USD$
 
PDF CPO GasBadge Pro - CDN$

MX6 - Multi Gas Monitor

The MX6 iBrid® is more than an intelligent hybrid of Industrial Scientific’s best monitoring technologies—it’s the most adaptable six-gas monitor on the market. The MX6 iBrid uses five sensor slots to detect up to six gases. Each of those slots accepts a variety of sensors, which means you can use the instrument with a PID sensor one day and an infrared sensor the next. Settings allow you to adapt the instrument’s behavior based on your application.


  • Personal or Confined Space Monitoring
  • 1-6 Gas Monitor
  • Full-Color LCD Display
  • 24 Sensor Options Including PID and IR
  • O2 Sensor – 6 Months Old or Newer
  • Ideal for Electrical/Gas Utilities, Steel Production, Oil & Gas, Chemical, Fire Services, Mining, and Water/Waste Water Treatment

 
PDF CPO iBrid MX6 - USD$
 

Ventis MX4 - Multi Gas Monitor

When you need a 4-gas monitor that will adapt to meet your needs, Ventis® MX4 is there. The lightweight instrument offers the portability and size of a single-gas instrument while delivering multi-gas protection.


  • Personal or Confined Space Monitoring
  • Monitors 1-4 Gases
  • Configures With or Without a Pump
  • Available With a Black or Safety Orange Overmold
  • O2 Sensor – 6 Months Old or Newer
  • Ideal for Electrical/Gas Utilities, Steel Production, Oil & Gas, Chemical, Fire Services, and Water/Waste Water Treatment

 
PDF CPO Ventis MX4 - USD$
 

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