Calibration Gas

1-800-McNEILL 1-770-664-7278

Gas Detection Sensors

McNeill International offers the widest choice in gas sensors in the world. These sensors are affordable, award-wining Electrochemical Oxygen and Toxic Gas Sensors. We also have Combustible and Flammable gas sensors including: Pellistor, Catalytic bead, and Infrared Sensors.

screen-shot-2016-11-19-at-8-46-50-amMcNeill International is a Channel Partner with Life Safety Distribution which includes City Technology and Sensoric . We have worked with City Technology for over 35 years and we are pleased with our role as Channel Partner for the Americas. We sell to designers and manufacturers of Gas Detection Equipment.

The sensor is the heart of any gas detection system. The sensor is a long life element that has minimal cross sensitivity to other gases and is virtually unaffected by ambient changes in temperature, humidity, and atmospheric pressures.

We offer personalized service which includes:

  • Stocking of Sensors
  • Fresh Sensors
  • Technical Support
  • Lower Shipping Costs
  • High Quality Customer Service
  • Knowledge of Sensor Technology and Sensor Applications

Our sensors are designed for a variety of applications (safety, emissions, industrial hygiene and more). There are over 300 Sensors for detecting 28 Gases. We have 10 Product Ranges and 4 different Technologies.

Our sensors can be just the sensor alone, or we have options of sensors along with two different types of electronics: 4-20mA board, or a sensor with a mV board.

Oxygen Sensors

Electrochemical Sensors

These Oxygen electrochemical sensors are known throughout the world for their reliability, durability and design. Oxygen sensors are now available with a two year life span and a plug in design.

We have many different styles for both safety and emissions. We have sensor, sensors with electronics and sensors complete in an enclosure. Please let us know how we can help with your gas sensor needs.

Toxic Sensors

Toxic Gas Electrochemical Sensors

These electrochemical toxic gas sensors are maintenance free having no chemicals to add or check. They are stable over a long period of time. The gases include: Ammonia (NH3), Carbon Monoxide (CO), Chlorine (CL2), Ethylene Oxide (ETO), Hydrogen (H2), Hydrogen Chloride (HCl), Hydrogen Sulphide (H2S), Hydrides, Nitric Oxide (NO), Nitrogen Dioxide (NO2), Ozone (O3), and Sulfur Dioxide (SO2).



Combustible, Flammable & Explosive Gas Sensors

Combustible Gas Sensors

These Sensors utilize updated, proven, catalytic bead, wheatstone bridge technology for the detection of Combustible Gases, such as Methane. Operating on a wheatstone bridge circuit, the sensor is reliable and cost effective. These sensors are supplied in matched pairs to compensate for ambient humidity and temperature variations for added reliability and with a minimum of service.

Sensors plus Electronics

Electrochemical 4-20mA sensor transmitter

In many applications it may be more cost effective to buy a sensor precalibrated with it’s own circuit board. It is also often best to use sensors combined with attached accompanying electronics for new product design.

We also offer:

  • 4-20mA boards
  • mV boards
  • Aspiration Fixings
  • Mounting Noses
  • Mounting Collars
  • Specialty Sensors for many more gases

Please let us know your application and we will help with your gas detection solutions.


Call us Today:  1-800-MCNEILL (626-3455) or 770-664-7278