Ambetronics offers a wide range of gas detection solution for underground car parks. The car exhausts give birth to some poisonous gases. With the modernisation of towns, the underground car parks have urged the need for reliable gas detection techniques. It offers high quality and precise gas detection solutions to monitor levels of carbon monoxide (CO), nitrogen dioxide (NO2) and CNG. The standard 4-20 mA output of these gas detectors is configured with gas monitors whose relay output can be used to operate exhaust fans and thereby ventilate the car parks ensuring controlled and safe atmosphere. These gas leak detectors are integrated with sensors depending upon the fuel used in cars; i.e for petrol/CNG powered vehicle – CO gas sensor; for diesel powered vehicles – NO2 gas sensor. The key product features include gas leak detector models viz., GT 4000, GT 2500 and GT 2511 in weather proof or flame proof enclosures with magnetic pen. TC 800 weatherproof model for monitoring the concentration levels of respective gases. TC 800 with 2 relays, capable of setting 2 level caution alarms and for instrument failure alarm. Exhaust fans are controlled through relay output from TC 800. Smart alerts could be sent via SMS and Emails to the registered mobile numbers to provide remote monitoring.