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exhaust gas analyser & mot smoke meter

GEMCO supplies professional emissions testing equipment designed for DVSA-approved MOT stations, workshops and Automated Test Lane (ATL) environments. Our range includes combined exhaust gas analysers and standalone diesel smoke meters used to test petrol and diesel vehicle emissions during MOT inspections.

These systems provide accurate measurement of exhaust gases and diesel smoke opacity, helping workshops ensure vehicles meet current UK environmental regulations. Designed for reliability and ease of use in busy workshop environments, GEMCO emissions testers deliver fast, accurate results while supporting compliance with DVSA testing requirements.

All emissions testing equipment supplied by GEMCO is installed, calibrated and supported by our nationwide engineering network, ensuring dependable operation and long-term performance.

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OUR RANGE OF emissions testing equipment

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combined gas & smoke emission analysers

Combined exhaust gas analysers allow workshops to carry out both petrol exhaust gas testing and diesel smoke opacity testing using a single integrated system.

Systems such as the Tecalemit TGD/MDS Combined Gas and Smoke Emission Analyser and the Bradbury BRADCOMBI4 Combined Emissions Analyser provide complete MOT emissions testing capability within one platform.

Key features include:

  • Combined gas analysis and diesel smoke measurement

  • DVSA-approved emissions testing equipment

  • Integrated Windows-based PC control systems

  • Large colour displays for clear viewing of results

  • Low warm-up times for faster testing

  • Robust mobile cabinets designed for workshop environments

These systems are ideal for MOT stations and workshops requiring full emissions testing capability for both petrol and diesel vehicles.

DVSA approved combined gas and smoke emission analyser for MOT testing

standalone diesel smoke meters

Diesel smoke meters provide dedicated testing for diesel engine emissions during MOT inspections. These systems measure smoke opacity produced by diesel engines to confirm compliance with MOT environmental standards.

Bradbury standalone smoke meters are designed for reliability and flexibility across a wide range of vehicles including cars, vans, trucks, buses and plant machinery.

Key features include:

  • DVSA-approved diesel smoke testing systems

  • Battery RPM measurement and oil temperature probes

  • 23″ colour monitors for clear test results

  • Keyboard and mouse with protective covers

  • Integrated A4 printers for emissions test reports

  • Durable mobile cabinets for workshop environments

Standalone smoke meters are available with both Bluetooth and cabled smoke head options to suit different workshop setups.

Bluetooth diesel smoke meter used for MOT emissions testing
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DVSA Approved emissions testing equipment

All emissions testing systems supplied by GEMCO are designed to meet DVSA requirements for MOT emissions testing.

Advanced emissions testing software supports modern vehicle standards including Euro 6 diesel engines, while optional vehicle communication interfaces can provide engine temperature and RPM information directly from EOBD-equipped vehicles.

Selecting high-quality emissions testing equipment ensures workshops maintain accurate testing standards while remaining compliant with current MOT regulations.

Installation, calibration & ongoing support

GEMCO provides full installation, calibration and maintenance support for emissions testing equipment across the UK.

Our services include:

  • Professional installation and commissioning

  • Calibration to national testing standards

  • On-site training and setup

  • Preventative maintenance and servicing

  • Nationwide engineering support

Our experienced engineers ensure emissions testing systems remain accurate, compliant and ready for daily MOT testing operations.

Cabled diesel smoke meter for MOT vehicle emissions testing Emissions testing system cabinet
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why choose GEMCO for emissions testing equipment

With decades of experience supplying garage equipment across the UK, GEMCO provides emissions testing solutions designed for reliability, accuracy and regulatory compliance.

By working with our own trusted manufacturing and maintaining a nationwide service network, we ensure every emissions testing system is installed and maintained to the highest professional standards.

Frequently Asked Questions about emissions testing equipment

  • An exhaust gas analyser measures gases produced by petrol engines, including carbon monoxide, carbon dioxide and hydrocarbons, to ensure vehicles meet emissions regulations during MOT testing.

  • A diesel smoke meter measures the opacity of smoke produced by diesel engines during emissions testing to ensure vehicles meet MOT environmental standards.

  • Yes. Emissions testing equipment used for MOT inspections must be approved by the DVSA to ensure accurate and compliant emissions measurements.

  • Combined emissions analysers can test both petrol and diesel vehicles, while standalone smoke meters are used specifically for diesel emissions testing.