Unrivalled
Gas Detection.

ION Science has over 30 years of experience designing and manufacturing gas and leak detectors and gas sensors.

Gas and Leak DetectorsSensors and Components
unrivalled gas detection for worker safety

Sensors and Components

ION Science is the chosen expert in manufacturing and supplying a range of trusted gas sensor technologies, globally.

Sensors and Components
ion science gas sensor technology

Gas and Leak Detectors

ION Science manufactures a range of technologically advanced gas and leak detectors for industrial applications.

Gas and Leak Detectors
gas detection products unrivalled gas detection

Which gas are you looking to detect?

Our gas detection instruments and sensors detect over 950 gases, choose from the top 30 most searched gases below.
More gases can be found in our Gas Search.

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What our customers say

Here you can find out what our customers have to say and why they trust ION Science as the chosen expert for gas detection instrumentation and gas sensing technologies. Whether you are an original equipment manufacturer of portable, personal or fixed industrial gas detection monitors, stack gas analysers or environmental monitoring instruments and require a high quality, high performance sensor, or work within an industrial working environment and need an instrument to detect or monitor hazardous gases to ensure exposure limits are not exceeded, ION Science has the solution for you.

View our case studies to see how our OEM sensor technology integrations and gas detection products are helping our customers:

OEM Sensor customer integrations case studies
Gas Detection product case studies

What our customers say

”The ION Science MiniPID 2 sensor takes advantage of patented Fence Electrode Technology that eliminates the common problem of humidity influencing VOC readings, while an internal membrane reduces contamination. MiniPID 2 is now available for Blackline’s G7 Single-gas Diffusion Cartridge and Multi-gas Diffusion Cartridge

View our case studies to see how our OEM sensor technology integrations and gas detection products are helping our customers:

OEM Sensor customer integrations case studies
Gas Detection product case studies

What our customers say

”The ION Science Falco VOC monitor was recommended by a significant player in the oil industry who conducted extensive performance tests and trials at a large refinery where the Falco came out on top. When ExRobotics did testing of its own, we also found the detector to be robust and reliable.

View our case studies to see how our OEM sensor technology integrations and gas detection products are helping our customers:

OEM Sensor customer integrations case studies
Gas Detection product case studies

Resource Centre

Here you can access a range of media and downloadable resources featuring expert tips and advice from our industry professionals, and customer testimonials out in the field.

Visit our OEM Sensor Technology and Gas Detection Equipment Resource Centre here:

OEM Sensor Resource Centre
Gas Detection Products Resource Centre

Our Vision
…..

“We preserve and improve human life and the environment through unrivalled gas detection”.

News & Events

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Leaded vs Lead-Free O2 Sensors: What RoHS Guidelines Mean for You

16th April 2026
RoHS regulations are shaping the future of O2 sensors. Here’s what you need to know and how to stay flexible moving forward.

Leaded vs Lead-Free O2 Sensors: What RoHS Guidelines Mean for You

16th April 2026
RoHS regulations are shaping the future of O2 sensors. Here’s what you need to know and how to stay flexible moving forward.

Occupational Exposure to Volatile and Gaseous Carcinogens in Europe

2nd March 2026
EU-OSHA evidence shows widespread occupational exposure to volatile and gaseous carcinogens across Europe, reinforcing the importance of effective workplace monitoring.