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

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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Stay Ahead with Seamless Updates for SF6 LeakCheck P1 XTL Instruments

17th October 2025
Discover how the SF6 LeakCheck P1 XTL PC Software simplifies SF6 instrument management with instant cloud-based updates, real-time monitoring, and effortless upgrades—built for engineers, technicians, and maintenance teams who value speed, accuracy, and reliability.
Learn more

Supporting Talent in STEM – ION Science® Summer Intern Spotlight

15th October 2025
This summer, ION Science® welcomed Alasdair Noble to the team as part of a 2-month summer internship to support the next generation of talent in STEM, providing him with hands-on experience in New Product Development (NPD) projects, contributing to meaningful research and testing.
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Supporting Safety with 10,000 ARA H2S Single Gas Detectors

2nd September 2025
ION Science are proud to supply ten thousand ARA H2S Single Gas detectors to support safety in onshore and offshore oil and gas operations. This landmark order reflects the strong trust that customers place in our gas detection technology and reinforces our commitment to delivering pioneering gas sensing technology.
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