Gas & smoke emission testing. Used by thousands of garages all over the nation, V-Tech’s Emissions Analysers are known to be the best on the market. Being fully compliant with the DVSA and MTS connected, our range of Gas & Smoke Emission Testing Units are simply second to none. All of our range are fully integrated, PC based and fully approved by the GEA as well as the DVSA, ensuring complete peace of mind for you as the Garage Owner.