Hariwill Electronics is an 18 year old India based organization engaged in developing diagnostic equipments like gas analyzers, smoke metesr and opacity meters. Our equipments are known for their rugged design and incorporate the latest sensory technologies while meeting international quality standards. Our machines are the result of more than 12 years of painstaking in-house research on developing the right combination of sturdiness and accurate measurement and are approved by the Automotive Research Association of India. We can provide latest 4-gas and 5-gas analyzers for automotive emission testing.