Envirotech – the pioneers of Air Pollution Monitoring in India
With the advent of the Air Act in 1981, there was a strong need for low cost and highly durable instruments for air quality monitoring in India. Setup in 1982, Envirotech Instruments was the first company to fill this void, and since then, there has been no turning back.
Today, Envirotech is the leading manufacturer of Air Quality monitoring instruments in India and is the preferred supplier for all Pollution Control Boards, prominent research institutions , leading industrial houses and environment consultants for their air pollution monitoring needs.
Affordable products designed for field use in harsh operating conditions
The biggest customer pain point with imported equipment is that they are hi-tech black boxes incompatible to the harsh operating environment in developing countries. Besides being expensive, these instruments are based upon secondary properties which require calibration and support facilities often not available in the local markets. Envirotech has therefore, consciously based its instruments on primary / standard methods by US EPA and WHO. Wherever necessary, features have been added to make the systems suitable for hot weather and sometimes erratic power supply. For example, gaseous sampling units of our High Volume Samplers have insulated cold boxes surrounding the wet-bubblers to ensure complete absorption of gaseous pollutants.
In house R&D and manufacturing
To maintain its leadership in the field of air monitoring, Envirotech has continuously upgraded its instruments and endeavoured to introduce better technology. To support the in house R & D effort, the company has developed close associations with a number of leading experts in important national institutes like IITs, Roorkee University, NEERI, and National Physical Laboratory. Such efforts have led to the addition of an Organic Vapor Sampler and a PM 2.5 Fine Particulate Sampler to our product range. Envirotech''''s in house R & D center has won recognition from the Department of Scientific and Industrial Research, Government of India
Envirotech uses its own 5000 square feet industrial premises at New Delhi to manufacture these systems. Fifty staff comprises of fifteen engineers and scientists, twenty-five technicians and balance administrative and marketing personnel.
Strong emphasis on reliable calibration
Besides strengthening the development effort, Envirotech has sought institutional support in calibrating its equipment. Flow metering devices used in Envirotech''''s products are periodically calibrated at IIT Delhi in test rigs developed for the purpose. The Wind Monitor has been wind tunnel tested at IIT Delhi. Sophisticated techniques like scanning electron microscope and laser particle counters have been used to evaluate our Respirable Dust Sampler''''s particle size cut-off
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