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Edinburgh Sensors

Edinburgh Sensors

Company Background:

Edinburgh Sensors are leading manufacturers of cutting-edge gas detection solutions.

For over 30 years, the company has been designing and manufacturing gas sensors based on non-dispersive infrared (NDIR), fail safe gas sensing technology. The application of the company’s continuing research and development has contributed to several significant advances in the world of infrared gas sensing. Edinburgh Sensors offers a comprehensive portfolio of products for the detection of CO, CO2, CH4, N2O, refrigerants and other common gasses.

With a worldwide reputation for outstanding performance, our products are an ideal solution for applications where accuracy, safety and reliability are paramount. The company continues to pioneer developments as it explores new opportunities using NDIR and non-NDIR technologies.

Product Range

Guardian® NG – CO, CO2, CH4, N2O

The Guardian NG range infrared gas monitors offer near-analyser quality, continuous sampling, measurement and display of target gas concentrations. An AC powered (100 to 240VAC) high accuracy gas monitor for CO2 and CH4 with standard ranges from 0 – 3000 ppm to 0 to 100% by volume.

Guardian® NG DC – CO, CO2, CH4

The Guardian NG DC infrared gas monitor offers near-analyser quality continuous sampling, measurement and display of CO2 concentrations between 0-3000ppm by volume from low voltage DC supplies in the range of 18-30V.

Boxed Gascard® - CO2

The Boxed Gascard provides users with access to the Gascard NG range of CO2 detection products in a convenient and robust desktop unit.

Gascard® NG – CO, CO2, CH4

The Gascard NG infrared gas sensor is designed for ease of integration with a wide range of gas detection systems that require high quality, accurate and reliable measurement of CO, CO2, CH4 gas concentrations.

Chillcard® NG – Refrigerant and other common gases

The OEM Chillcard NG range of infrared gas sensors is designed for the measurement of refrigerant gases such as R125 and R134a and provides a long-term stable solution to the measurement of these and other refrigerant gases.

Our products are used in many applications and are suitable for:

  • Agriculture
  • Biogas
  • Landfill
  • Leak detection
  • Safety
  • Process control
  • Greenhouse
  • Water quality
  • and more

Backed by our widely recognised technological achievements we are firmly committed to our customers and invest in our people. We stand by our global reputation for excellence.

We’d be delighted to help you with your gas sensing requirements. To get in touch, simply contact us at

Edinburgh Sensors / Edinburgh Instruments

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