Double Walled Environmental Chamber is designed for drying environment of plant and animal growth and for investigation of vapour roofness of packed materials, determination of di-electric strength. The Environmental Chamber is also suitable for insulation tests electrical components and many other tests requiring an atmosphere of control temperature and humidity. The Environmental Chamber has the interior wall made of 304 grade heavy gauge stainless steel and the exterior made of heavy mild steel finished in epoxy powder coated finish. Double Walled Environmental Chamber works on a power supply of 200/220 VAC at a frequency rate of 50 Hz.