Pioneering Gas Sensing Technology.

ION Science Ltd is a leading manufacturer of technologically advanced gas detection equipment and OEM PID Gas Sensors. The portfolio of instruments and PID Sensors provides customers with pioneering gas sensing technology and reliable monitoring capabilities even within the harshest of environments.

Explore our Gas and Leak Detectors

Which gas are you looking to detect?

Our gas detection instruments and sensors detect over 950 gases, choose from the top 30 most frequently searched gases below.

More gases can be found by downloading the TA-02 – ION Science PID Response Factor Table.

Download TA-02
unrivalled gas detection for worker safety

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
…

“To protect lives and preserve the environment”

Our Mission
…

“To be the leader in gas sensing technology with relationships built on trust, pioneering products, responsiveness and exceptional customer service”.

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.

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.

FALCO 2 11.7 eV Maintenance Program

1st November 2025
Introducing the FALCO 2 11.7 eV Maintenance Program — designed to minimise downtime, streamline servicing, and maintain accuracy in safety-critical environments. Choose from one-, three-, or five-year scheduled maintenance kits to protect your instrument and save up to 25% on your instrument maintenance!